1738 ArmorPoint I/O

Click to enlarge - 1738ArmPtAssy_angle_4C

ArmorPoint™ I/O

ArmorPoint is a 24V dc modular On-Machine™ I/O that extends the features and benefits of the POINT I/O™ IP20 system into an IP69K-compliant system. ArmorPoint I/O offers flexibility, ease of application, and just-what-you-need granularity in one to eight points to reduce system cost and size. 1738 ArmorPoint I/O is the foundation for the next generation of On-Machine products from Rockwell Automation.

Benefits

Sealed housing rated for IP69K and NEMA 4X eliminates enclosure costs.
A variety of I/O types for broad application coverage.
Easy module replacement with unique latching mechanisms eliminates need for screws.
Connection with industry-standard M8, M12, and M23 quick-disconnects reduces costs of additional accessories.
Provides tight IP67 motor starter integration with ArmorStart™.
Extremely fast I/O backplane uses change-of-state (COS) connections to maximize performance (polling available in configuration mode).
Auto Device Replacement (ADR) allows OEMs to add machine features and I/O modules without making changes to the machine’s control software.
Removal and Insertion Under Power (RIUP) makes it possible to replace a module without disrupting network operation.
Efficient network solutions with multiple DeviceNet™ interfaces, ControlNet™, EtherNet/IP™, and PROFIBUS DP communication adapters.

Product Design

1738 ArmorPoint I/O is the foundation for the next generation of On-Machine™ products from Rockwell Automation. The architecture of ArmorPoint is based on the POINT I/O system and reuses the circuitry of the adapter and I/O designs. The system is IP67-compliant and other certifications necessary to provide a complete On-Machine solution. ArmorPoint I/O modules offer one to eight points per module. Choose from many different I/O types with connector choices of M8, M12, or M23 quick-disconnect terminations.

The I/O modules are interfaced to a network through a communication adapter, which includes a built-in power supply that converts incoming 24V dc power to 5V dc backplane power. The I/O modules receive power from the power supply through the backplane. ArmorPoint I/O offers flexibility, supporting up to 63 I/O modules per network node. A bus extension module allows for separation of modules on the same node.

Four versions of DeviceNet communication adapters are available, along with ControlNet, EtherNet/IP, and PROFIBUS DP adapters. Each adapter supports a maximum of 13 to 17 I/O modules, with a maximum of 10 A field power. The family includes hardened power supplies to allow for isolation, i.e. AC from DC, analog from digital, inputs from outputs. Module replacement is easy since modules are held on the base by unique latching mechanisms—no screws needed. ArmorPoint connects directly to ArmorStart™ on the same network node.

Modular Design

ArmorPoint I/O has three major components:

I/O modules provide the field interface, system-interface circuitry, and bases for mounting
Communication interface modules provide the network-interface circuitry
Power distribution modules provide the solution to expandability of the ArmorPoint I/O system and the flexibility to mix a variety of signal types

Communication

Adapter modules are available for ControlNet, DeviceNet (with and without subnet connectivity), EtherNet/IP, or PROFIBUS DP networks. The DeviceNet adapters are available in four styles, based on connectivity: M12 micro terminations, mini passthrough terminations, mini drop termination, and adapter with subnet connectivity.

Power to the POINTBus backplane and I/O modules is brought in through the auxiliary power connector. You can connect up to 12 I/O modules and an adapter with a maximum of 10 A field power, using the auxiliary power. Additional I/O modules require the use of one or more ArmorPoint I/O 24V dc expansion power units. An I/O adapter supports up to a maximum of 63 I/O modules.

Specifications

Environmental Specifications

Enclosure Type Rating	Meets IP65/66/67/69K (when marked) and NEMA 4X
Mounting Type	On-Machine
Operating Temperature	IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): -20 to 60°C (-4 to 140°F)
1738-EP24DC	-20…85 °C (-4…185 °F)
Storage Temperature	IEC 60068-2-1 (Test AB, Unpackaged Nonoperating Cold) IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat): -40…85 ℃ (-40…185〬F)
Relative Humidity	IEC 60068-2-30 (Test Db, Unpackaged Damp Heat): 5...95% noncondensing
Shock, Operating	IEC 60068-2-27 (Test Ea, Unpackaged Shock): 30 g
1738-OW4M12	IEC 60068-2-27 (Test Ea, Unpackaged Shock): 15 g peak acceleration
1738-OW4M12AC
Shock, Non-Operating	IEC 60068-2-27 (Test Ea, Unpackaged Shock): 50 g
Vibration	IEC 60068-2-6 (Test Fc, Operating): 5 g @ 10…500 Hz
1738-OW4M12	IEC 60068-2-6 (Test Fc, Operating): 2 g @ 10…500 Hz
1738-OW4M12AC	IEC 60068-2-6 (Test Fc, Operating): 2 g @ 10…500 Hz
CertificationsT	c-UL-us, CE, C-Tick, DeviceNet

¬ Except AC I/O modules, which are IP67. T When product is marked. See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other certification details.

Dimensions and Weights

Cat. No.	Weight	Dimensions (HxWxD), Approx.
I/O Modules	0.29 kg (0.64 lb)	120 x 72 x 42 mm (includes I/O module and mounting base) (4.72 x 2.83 x 1.65 in (includes I/O module and mounting base))
Communication Adapter Modules	0.36 kg (0.80 lb)	112 x 72 x 65 mm (4.41 x 2.83 x 2.56 in)

Communication Adapter Modules and Mating Cables

An ArmorPoint I/O communication interface module provides the interface between a fieldbus network and the ArmorPoint I/O backplane (POINTBus™). A terminating base, used with the last I/O module, ships with the adapter. An I/O adapter supports up to a maximum of 63 I/O modules.

Adapter modules are available for ControlNet, DeviceNet (with and without subnet connectivity), EtherNet/IP, or PROFIBUS DP networks. The DeviceNet adapters are available in four styles, based on connectivity: DC micro (M12) terminations, mini passthrough terminations, mini drop termination, and adapter with subnet connectivity.

Communication Adapter Modules

Cat. No.	Termination Type	Input Voltage Range	Field Side Power Requirements	Inrush Current	Power Consumption (W) at 24V	Power Dissipation, Max.
1738-ADN12	M12 Quick-Disconnect	10…28.8V dc	24V dc (+20% = 28.8V dc) @ 400 mA	6 A for 10 ms	8.0 W	2.8 W @ 28.8V
1738-ADN18	Mini Connector - Drop - Drop		24V dc (+20% = 28.8V dc) @ 400 mA
1738-ADN18P	Mini Connector - Pass-through - Pass-through		24V dc (+20% = 28.8V dc) @ 400 mA
1738-ADNX	M12 Quick-Disconnect		24V dc (+4% = 25V dc) @ 30 mA
1738-ACNR	TNC Connector		24V dc (+20% = 28.8V dc) @ 425 mA
1738-AENT	M12 Quick-Disconnect		24V dc (+4% = 25V dc) @ 30 mA		4.5 W
1738-APB	M12 Quick-Disconnect		24V dc (+20% = 28.8V dc) @ 400 mA		8.0 W

ArmorPoint I/O Communication Adapters

Cat. No.	Description	Number of I/O Points, Max.¬
DeviceNet
1738-ADN12	DeviceNet I/O Adapter A total of 63 ArmorPoint I/O modules can be assembled on a single DeviceNet node Expansion power supplies may be used to provide additional POINTBus backplane current	252
1738-ADN18
1738-ADN18P
1738-ADNX	DeviceNet I/O Adapter with Expansion Port A total of 63 ArmorPoint I/O modules can be assembled on a single DeviceNet node Expansion power supplies may be used to provide additional POINTBus backplane current Expansion network port allows for a DeviceNet subnet Increases the reach of DeviceNet from 500 to 1500 meters Increases nodes per DeviceNet scanner from 63 to more than 126 (dependent on DeviceNet scanner capacity)	252
ControlNet
1738-ACNR	ControlNet I/O Adapter A total of 63 ArmorPoint I/O modules can be assembled on a single ControlNet node Expansion power supplies may be used to provide additional POINTBus backplane current Up to 25 direct connections and 5 rack connections are allowed	252
EtherNet/IP
1738-AENT	EtherNet/IP Twisted Pair Media I/O Adapter A total of 63 ArmorPoint I/O modules can be assembled on a single EtherNet/IP node Expansion power supplies may be used to provide additional POINTBus backplane current Refer to the User Manual to determine the ratings for direct and rack connections allowed	252
PROFIBUS DP
1738-APB	PROFIBUS DP I/O Adapter A total of 63 ArmorPoint I/O modules can be assembled on a single PROFIBUS DP node Expansion power supplies may be used to provide additional POINTBus backplane current	252
¬ Using the eight-point digital I/O modules.

Mating Cables

The mating cables shown represent straight PVC models. For additional configurations, materials, and specifications, consult the On-Machine Connectivity catalog, publication M116-CA001.

ArmorPoint Network Adapter Mating Cables

Cat. No.	Network	Flat Media	Thick Round	Thin Round
1738-ADN12 1738-ADNX	DeviceNet	1485K-P§F5-R5	1485R-P§M5-R5	1485R-P§R5-D5
1738-ADN18P 1738-ADN18	DeviceNet	1485K-P§F5-N5	1485R-P§N5-M5	1485R-P§D5-N5
1738-ACNR	ControlNet	—	—	1786-TPST2T 1786-TPRT2T
1738-AENT	EtherNet/IP	—	—	1585D-M4DC-H
1738-APB	PROFIBUS DP	—	—	—
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard). § = length in meters (1, 2, 3, 4, 5, and 6 standard). µ = length in feet (6, 12, and 20 standard).

ArmorPoint Auxiliary Power Mating Cables

	Flat Media	Round Media
Cat. No.	Auxiliary Power Flat Media Connection	Cordset (Single-ended)	Patchcord (Double-ended)
1738-ADN12 1738-ADNX 1738-ADN18P 1738-ADN18 1738-ACNR 1738-AENT 1738-APB	1485T-P1E4-C§-N4	889N-F4AFC-µF	889N-F4AFNM-¯
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard). § = length in meters (1, 2, 3, 4, 5, and 6 standard). µ = length in feet (6, 12, and 20 standard).

Digital dc I/O Modules and Mating Cables

The 1738 digital I/O modules support:

A wide variety of voltage interface capabilities.
Isolated and non-isolated module types.
Point-level output fault states for short-circuit and wire-off diagnostics.
Choice of direct-connect or rack-optimized communications.
Field-side diagnostics on select modules.

ArmorPoint Digital dc Input Modules

General-purpose 24V dc inputs including 2- and 3-wire proximity sensors.

Cat. No.	Number of Inputs	Voltage, On-State Input, Nom.	Operating Voltage Range	Input Delay Time, ON to OFF¬	Current, On-State Input, Min.	Current, On-State Input, Max.	Current, Off-State Input, Max.	PointBus Current (mA)	Power Dissipation, Max.	Termination Type
1738-IB2M12	2 Sink	24V dc	10V dc…28.8V dc	0.5 ms hardware + (0…65 ms selectable)	2 mA	5 mA	1.5 mA	75	0.7 W @ 28.8V dc	DC micro (M12)
1738-IB4M12	4 Sink								1.0 W @ 28.8V dc	DC micro (M12)
1738-IB4M8	4 Sink								1.0 W @ 28.8V dc	Pico 3-pin (M8)
1738-IB8M12	8 Sink								1.6 W @ 28.8V dc	DC micro (M12)T
1738-IB8M23										M23
1738-IB8M8										Pico 3-pin (M8)
1738-IV8M12	8 Source									DC micro (M12)
1738-IV8M23										M23
1738-IV8M8										Pico 3-pin (M8)
1738-IV4M12	4 Source								1.0 W @ 28.8V dc	DC micro (M12)
¬ Input ON-to-OFF delay time is the time from a valid input signal to recognition by the module. T Quantity 4.

ArmorPoint Digital dc Output Modules

24V dc electronically protected output modules. The 1738-OB2EPM12 module has 24V dc electronically protected, fast-switching high-current outputs.

Cat. No.	Number of Outputs	Voltage, On-State Output, Nom.	Voltage, On-State Output, Range	Output Current Rating, Max.	PointBus Current (mA)	Power Dissipation, Max.	Termination Type
1738-OB2EM12	2 Source	24V dc	10V dc…28.8V dc	2.0 A per module, 1.0 A per channel	75	0.8 W @ 28.8V dc	DC micro (M12)
1738-OB2EPM12				4.0 A per module, 2.0 A per channel
1738-OB4EM12	4 Source			3.0 A per module, 1.0 A per channel		1.2 W @ 28.8V dc
1738-OB4EM8							Pico 3-pin (M8)
1738-OB8EM12	8 Source					2.0 W @ 28.8V dc	DC micro (M12)T
1738-OB8EM23							M23
1738-OB8EM8							Pico 3-pin (M8)
1738-OV4EM12	4 Sink			4.0 A per module, 1.0 A per channel		2.9 W @ 28.8V dc	DC micro (M12)
T Quantity 4.

ArmorPoint Digital Contact Output Modules

Individually isolated contact output modules.

Cat. No.	Number of Outputs	Voltage, On-State Output, Nom.	Output Delay Time, ON to OFF, Max.¬	Contact Resistance, Initial	Relay Output Current Rating, Max.	Leakage Current, Off-State Output, Max	PointBus Current (mA)	Power Dissipation, Max.	Termination Type
1738-OW4M12	4 Form A (N.O.) relays, isolated	24V dc	26 ms	30 mW	—	1.2 mA and bleed resistor thru snubber circuit @ 240V ac	80	0.5 W	DC micro (M12)
1738-OW4M12AC									AC micro 4-pin§
¬ Time from valid output off signal to relay deenergization by module. § Quantity 2.

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-IB8M12 1738-IV8M12	(2) DC Micro	879D-F4ACDM—*	879D-C3ACD4M—‡	871A-VS4-DM
	(2) Pico 3-Pin	879PZ-F3ABDM4—*
	(2) Pico 4-Pin	879PZ-F4ABDM—*
	(1) DC Micro	889D-F4ACDM—*	889D-M4AC—‡	871A-TS4-DM
	(1) Pico 3-Pin	889P-F3ABDM4—*
	(1) Pico 4-Pin	889P-F4ABDM—*
1738-IB2M12 1738-IB4M12 1738-IV4M12	(1) DC Micro	889D-F4ACDM—*	889D-M4AC—‡	871A-TS4-DM
	(1) Pico 3-Pin	889P-F3ABDM4—*
	(1) Pico 4-Pin	889P-F4ABDM—*
1738-IB4M8 1738-IB8M8 1738-IV8M8	(1) DC Micro	889D-F4ABP3M—*	889P-M3AB—‡	871A-TS3-PM
	(1) Pico 3-Pin	889P-F3ABPM—*
	(1) Pico 4-Pin	889P-F4ABPM3—*
1738-IB8M23 1738-IV8M23	(1) M23 12-Pin	889M-F11RMMU—*	889M-U11RM—‡	889M-M12AH-T
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

ArmorPoint Digital dc Output Module Mating Cables

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-OB8EM12	(2) DC Micro	879D-F4ACDM—¯	879D-C3ACD4M—‡	871A-VS4-DM
	(2) Pico 3-Pin	879PZ-F3ABDM4—¯
	(2) Pico 4-Pin	879PZ-F4ABDM—¯
	(1) DC Micro	889D-F4ACDM—¯	889D-M4AC—‡	871A-TS4-DM
	(1) Pico 3-Pin	889P-F3ABDM4—¯
	(1) Pico 4-Pin	889P-F4ABDM—¯
1738-OB2EM12 1738-OB2EP12 1738-OB4EM12 1738-OV4EM12	(1) DC Micro	889D-F4ACDM—¯	889D-M4AC—‡	871A-TS4-DM
	(1) Pico 3-Pin	889P-F3ABDM4—¯
	(1) Pico 4-Pin	889P-F4ABDM—¯
1738-OB4EM8 1738-OB8EM8	(1) DC Micro	889D-F4ABP3M—¯	889P-M3AB—‡	871A-TS3-PM
	(1) Pico 3-Pin	889P-F3ABPM—¯
	(1) Pico 4-Pin	889P-F4ABPM3—¯
1738-OB8EM23	(1) M23 12-Pin	889M-F11RMMU—¯	889M-U11RM—‡	889M-M12AH-T
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

ArmorPoint Digital Contact Output Module Mating Cables

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-OW4M12	(1) DC Micro	889D-F4ACDM—¯	889D-M4AC—‡	871A-TS4-DM
1738-OW4M12AC	(1) AC Micro 4-Pin	889R-F4AERM—¯	889R-M4AEA—‡	—
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

Digital ac I/O Modules and Mating Cables

The 1738 digital I/O modules support:

A wide variety of voltage interface capabilities.
Isolated and non-isolated module types.
Point-level output fault states for short-circuit and wire-off diagnostics.
Choice of direct-connect or rack-optimized communications.
Field-side diagnostics on select modules.

ArmorPoint Digital ac Input Modules

General-purpose ac inputs including 2- and 3-wire proximity sensors.

Cat. No.	Number of Inputs	Voltage, On-State Input, Nom.	Voltage, On-State Input, Range	Input Delay Time, ON to OFF¬	Current, On-State Input, Min.	Current, Off-State Input, Max.	Input Impedance, Nom.	PointBus Current (mA)	Power Dissipation, Max.	Termination Type
1738-IA2M12AC3	2	120V ac	65V ac…132V ac	20 ms hardware filter plus 0…65 ms digital filter programmable in increments of 1 ms	3.7 mA	2.5 mA	10.6 kW	75	0.7 W @ 132V ac	AC micro 3-pinT
1738-IA2M12AC4										AC micro 4-pinT
¬ Input ON-to-OFF delay time is the time from a valid input signal to recognition by the module. T Quantity 2.

ArmorPoint Digital ac Output Modules

General purpose ac outputs.

Cat. No.	Number of Outputs	Voltage, On-State Output, Nom.	Voltage, On-State Output, Range	Output Current Rating	PointBus Current (mA)	Power Dissipation, Max.	Termination Type
1738-OA2M12AC3	2	120V/220V ac	74V ac…264V ac	1.5 A (2 channels @ 0.75 A each)	75	0.8 W @ 28.8V dc	AC 3-pinT
T Quantity 2.

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-IA2M12AC3	(1) AC Micro 3-Pin	889R-F3AERM—¯	889R-M3AEA—‡	871A-TS3-RM
1738-IA2M12AC4	(1) AC Micro 4-Pin	889R-F4AERM—¯	889R-M4AEA—‡	—
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

ArmorPoint Digital ac Output Module Mating Cables

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-OA2M12AC3	(1) AC Micro 3-Pin	889R-F3AERM—¯	889R-M3AEA—‡	871A-TS3-RM
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

Analog I/O Modules and Mating Cables

The ArmorPoint analog I/O modules support:

4…20 mA inputs and outputs
0…10 V inputs and outputs
RTD inputs
Thermocouple inputs

ArmorPoint Analog Input Modules

Cat. No.	Number of Inputs	Input Signal Range	Input Resolution	Absolute Accuracy¬	Step Response, per Channel	Input Conversion Type	PointBus Current (mA)	External DC Supply Current, Nom.	Power Dissipation, Max.	Termination Type
1738-IE2CM12	2 single-ended	4…20 mA 0…20 mA	16 bits - over 21 mA 0.32 mA/cnt	0.1% Full Scale @ 25° C	70 ms @ Notch = 60 Hz (default) 80 ms @ Notch = 50 Hz 16 ms @ Notch = 250 Hz 8 ms @ Notch = 500 Hz	Delta Sigma	75	10 mA @ 24V dc	0.6 W @ 28.8V dc	DC Micro
1738-IE2VM12	2 single-ended	0…10V ±10V	15 bits plus sign 320 mV/cnt in unipolar or bipolar mode	0.1% Full Scale @ 25° C		Delta Sigma	75	15 mA @ 24V dc	0.75 W @ 28.8V dc
1738-IR2M12‡	2 single-ended RTD	0…600 W	16 bits 9.5 mV/cnt 0.03 °C/cnt (pt 385 @ 25 °C)	0.1% Full Scale @ 25° CT	60 ms @ Notch = 50 Hz 50 ms @ Notch = 60 Hz 30 ms @ Notch = 100 Hz 25 ms @ Notch = 120 Hz 15 ms @ Notch = 200 Hz 13 ms @ Notch = 240 Hz 10 ms @ Notch = 300 Hz 8 ms @ Notch = 400 Hz 6 ms @ Notch = 480 Hz	—	220	15 mA @ 24V dc	1.0 W
1738-IT2IM12‡	2 single-ended Thermocouple, Millivolt	±75 mV	15 bits plus sign 2.5 mV per count	0.1% Full Scale @ 25° CT	60 ms @ Notch = 50 Hz 50 ms @ Notch = 60 Hz 30 ms @ Notch = 100 Hz 25 ms @ Notch = 120 Hz 15 ms @ Notch = 200 Hz 13 ms @ Notch = 240 Hz 10 ms @ Notch = 300 Hz 8 ms @ Notch = 400 Hz 6 ms @ Notch = 480 Hz	—	175	—	1.0 W
¬ Includes offset, gain, nonlinearity, and repeatability error terms. T Analog and temperature input modules support these configurable parameters and diagnostics: open-wire with LED and electronic reporting; four-alarm and annunciation set-points; calibration mode and electronic reporting; under- and over-range and electronic reporting; channel signal range and update rate and on-board scaling; filter-type; temperature scale; channel update rate. ‡ See Temperature and RTD Input Modules—Additional Specifications.

Temperature and RTD Input Modules—Additional Specifications

	1738-IR2M12	1738-IT2IM12
Number of Inputs	2 single-ended RTD	2 single-ended Isolated Thermocouple, Millivolt
Thermocouple Resolution	—	Type B, 30…1820° C, 3 counts/ ° C Type C, 0…2315° C, 6 counts/ ° C Type E, -270…1000° C, 24 counts/ ° C Type J, -210…1200° C, 21 counts/ ° C Type K, -270…1372° C, 13 counts/ ° C Type N, -270…1300° C, 11 counts/ ° C Type R, -50…1768.1° C, 4 counts/ ° C Type S, -50...1768.1° C, 4 counts/ ° C Type T, -270…400° C, 15 counts/ ° C
Cold Junction Compensation Range	—	0…70 °C
Input Update Rate, per Module	20 ms @ Notch = 50 Hz 17 ms @ Notch = 60 Hz (default) 10 ms @ Notch = 100 Hz 8 ms @ Notch = 120 Hz 5 ms @ Notch = 200 Hz 4 ms @ Notch = 240 Hz 3 ms @ Notch = 300 Hz 3 ms @ Notch = 400 Hz 2 ms @ Notch = 480 Hz	20 ms @ Notch = 50 Hz 17 ms @ Notch = 60 Hz (default) 10 ms @ Notch = 100 Hz 8 ms @ Notch = 120 Hz 5 ms @ Notch = 200 Hz 4 ms @ Notch = 240 Hz 3 ms @ Notch = 300 Hz 3 ms @ Notch = 400 Hz 2 ms @ Notch = 480 Hz
Data Format	Signed integer	Signed integer

ArmorPoint Analog Output Modules

Cat. No.	Number of Outputs	Output Signal Range	Output Resolution	Absolute Accuracy	Step Response to 63% of FS	Output Conversion Rate	PointBus Current (mA)	External DC Supply Current, Nom.	Power Dissipation, Max.	Termination Type
1738-OE2CM12	2 single-ended	4…20 mA 0…20 mA	13 bits - over 21 mA 2.5 mA/cnt	0.1% Full Scale @ 25° C¬ T	Current Output: 24 ms	16 ms	75	50 mA @ 24V dc (including outputs @ 20 mA)	1.0 W @ 28.8V dc	DC Micro (M12)
1738-OE2VM12	2 single-ended	0…10V ±10V	14 bits (13 plus sign) 1.28 mV/cnt in unipolar or bipolar mode	0.1% Full Scale @ 25° C¬ T	Voltage Output: 20 ms	20 ms	75	35 mA @ 24V dc (including outputs @ 3 mA)	1.0 W @ 28.8V dc	DC Micro (M12)
¬ Includes offset, gain, non-linearity, and repeatability error terms. T Analog output modules support these configurable parameters and diagnostics: open-wire with LED and electronic reporting (OE2C only); fault mode; idle mode; alarms; channel signal range and on-board scaling.

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-IE2CM12 1738-IE2VM12 1738-IR2M12	(1) DC Micro	889D-F4SCDM—¯	889D-M4SC—‡	889D-M4DC-SH
1738-IT2IM12	(1) DC Micro	—	—	871A-TS4CJC-DM
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

ArmorPoint Analog Output Module Mating Cables

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-OE2CM12 1738-OE2VM12	(1) DC Micro	889D-F4SCDM—¯	889D-M4SC—‡	889D-M4DC-SH
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

Specialty I/O Modules and Mating Cables

Counter Modules
SSI Modules
Serial Interface Modules (RS–232, RS–485, RS–422)

ArmorPoint Counter Modules

The input voltage range is 5V DC (1738–IJ) or 15…24V DC (1738–VHSC24). The module returns the count or frequency in the form of a 24-bit binary number (0…16,777,215) expressed in a 32-bit word. Each counter has a user-selectable preset and rollover value associated with it.

The operation of the counter and encoder modes is nearly identical. The difference between the two modes is in the type of feedback (one-phase versus two-phase) for the count direction (up or down). In encoder mode, a transition is expected on B for counting to proceed in a direction, whereas, in counter mode, the B input may be left at a static level. All operating modes are selected by writing appropriate configuration data to the module.

Cat. No.	Number of Counters	Voltage, On-State Input, Nom.	Field Power Bus	Number of Compare Windows	Output Groups	Input Frequency, Max.	Output Delay Time, OFF to ON	Current, On-State Input, Min.	PointBus Current (mA)	Termination Type
1738-IJM23	1	5V dc	Voltage dependent on field power source¬	—	—	1.0 MHz counter and encoder X1 configurations (no filter) 500 kHz encoder X2 configuration (no filter) 250 kHz encoder X4 configuration (no filter)	—	³5 mA	160	M23
1738-VHSC24M23	1	24V dc	Voltage dependent on field power source¬	4	1 group of 2		25 ms (load dependent)T	³5 mA	110	M23
¬ Field power source via the field power connection on the network adapter, 1738–EP24DC, or 1738–FPD. T OFF to ON delay is time from a valid output “on” signal to output energization.

ArmorPoint Serial I/O Modules

ArmorPoint Synchronous Serial Interface Modules

The Synchronous Serial Interface Absolute Encoder Module collects serial data from industrial absolute position encoding sensors that use standard SSI protocol, including linear, rotary, and optical distance measuring devices. The module is inserted into an ArmorPoint I/O terminal base that provides common power, communications, and wiring connections for the SSI sensors. The module converts a serial data stream from an SSI sensor into absolute position data readable as a 32-hexadecimal value. Gray or binary-code capable with gray to binary conversion, increasing or decreasing SSI count indication, 2 SSI word comparator values, and SSI word latching with I1 input.

ArmorPoint Serial Interface Modules

The 1738–232ASCM12 and 1738–485ASCM12 serial-interface modules offer a serial-link communication interface solution for peripheral products with RS–232 (use the 1738–232ASCM12), RS–485, and RS–422 ports (use the 1738–485ASCM12). These modules allow a device with serial-interface output (i.e., bar code readers) to communicate up to 128 bytes of ASCII data onto any network supported by ArmorPoint I/O. Each module is a single-channel, full-duplex interface and is rated for up to 38.4k baud. LED indicators on the modules offer diagnostics for the module, POINTBus backplane, and transmit/receive status indication.

ArmorPoint Serial I/O Modules

Cat. No.	Inputs/Outputs	PointBus Current (mA)	External DC Power Supply	Power Dissipation, Max.	Termination Type
1738-SSIM23	1 Synchronous Serial Interface channel	110	10…28V dc 0.75 A max.	0.94 W	M23
1738-232ASCM12	1 Serial Interface channel, RS232	75	10…28.8V dc 1.0 A max.	1.75 W @ 28.8V dc	DC Micro (M12)
1738-485ASCM12	1 Serial Interface channel, RS485, RS422	75	10…28.8V dc 1.0 A max.	1.75 W @ 28.8V dc	DC Micro (M12)

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738-IJM23 1738-VHSC24M23	(1) M23 12-pin	889D-F4SCDM—¯	889D–M4SC—‡	889D-M4DC-SH
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

ArmorPoint Serial I/O Mating Cables

ArmorPoint Cat. No.	End Device per Connector	Recommended Patchcord (Double-ended)	Recommended Male Cordset (Single-ended)	Recommended Field Attachable Connector
1738–SSIM23	(1) M23 12-Pin	—	—	889M–M12AH–T
1738–232ASCM12 1738–485ASCM12	(1) DC Micro	889D–F4SCDM—¯	889D–M4SC—‡	889D–M4DC–SH
¯ = length in meters (1, 2, 3, 5, and 10 standard). ‡ = length in meters (2, 5, and 10 standard).

Power Supplies

ArmorPoint I/O adapters (1738–ADN12, –ADN18, –ADN18P, –ADNX, –ACNR, –AENT, –APB) have built-in POINTBus power supplies. All ArmorPoint I/O modules are powered from the POINTBus by either an adapter or expansion power supply.

For power specifications see Communication Adapter Modules and Mating Cables

Click to enlarge - 1738ArmorPointCommAdapMod_4C

An auxiliary 24V dc power supply provides power to the POINTBus backplane and I/O modules. You can connect up to 17 I/O modules and an adapter with a maximum of 10 A field power, using the auxiliary power.

ArmorPoint Expansion Power Unit

The ArmorPoint I/O Expansion Power Unit (1738–EP24DC) passes 24V DC field power to the I/O modules to the right of it. This unit extends the backplane bus power and creates a new field voltage partition segment for driving field devices for up to 17 I/O modules. The expansion power unit separates field power from I/O modules to the left of the unit, effectively providing functional and logical partitioning for:

Separating field power between input and output modules
Separating field power to the analog and digital modules
Grouping modules to perform a specific task or function

Power to the POINTBus backplane and I/O modules is brought in through the auxiliary power connector. You can connect up to 12 I/O modules and an adapter with a maximum of 10 A field power, using the auxiliary power. Additional I/O modules require the use of one or more ArmorPoint I/O 24V DC expansion power units.

Click to enlarge - 1738ArmorPointSysw1738EP24DC_4C

The auxiliary power supports up to 17 I/O modules and an adapter with a maximum of 10 A field power. The 24V dc expansion power unit (1738-EP24DC) extends the backplane bus power to support up to 17 more I/O modules. Connect additional expansion power units to expand the I/O assembly up to the maximum of 63 I/O modules.

ArmorPoint Field Power Distributor

The ArmorPoint I/O Field Power Distributor Module (1738-FPD) passes through all ArmorPoint I/O backplane signals, but does not provide additional POINTBus backplane power. The field power distributor gives you the ability to change the field power distribution source for I/O modules to the right of the field power distributor. This facilitates logical or functional partitioning of low-channel count, high I/O mix applications using any of the communication adapters. Use the field power distributor with a broad range of voltage inputs including 5V dc to 250V dc and/or 24V ac to 240V ac applications and I/O modules.

Click to enlarge - 1738ArmorPointSysw1738FPD_4C

The ArmorPoint field power distributor (1738-FPD) discontinues the I/O circuit power bus in order to change the field power source for I/O modules to the right of it. This allows a broad range of voltage inputs in the I/O assembly.

Specifications

Cat. No.	Power Input Voltage Range	Field Side Power Requirements	Inrush Current, Max.	PointBus Output Current Rating	Power Consumption, Max.
1738-EP24DC	10…28.8V dc	24V dc (+20% = 28.8V dc max.) @ 400 mA	6 A for 10 ms	1.3 A	9.8 W @ 28.8V dc
1738-FPD	5…150V dc 24…240V ac	—	—	—	—

Accessories, Cables and Cordsets

Bus Extension Bases (1738-EXT1, -EXT3)

An ArmorPoint I/O bus extension base allows the backplane to be extended to additional I/O or the ArmorStart IP 67 motor starter. May require the addition of an auxiliary power module. Refer to the installation manual (publication 1738–IN018A) to determine if a 1738–EP24DC or 1738–FPD is needed after a bus extension base.

ArmorPoint Bus Extension Bases

Cat. No.	Description
1738-EXT1	ArmorPoint 1 meter bus extension base
1738-EXT3	ArmorPoint 3 meter bus extension base

ArmorPoint to ArmorStart Bus Extension Bases

Cat. No.	Description
280A-EXT1	ArmorPoint to ArmorStart 1 meter bus extension base

For More Information

These and other publications are available for download from the Rockwell Automation Literature Library.

Related Publications	Publication Number
Distributed In-Cabinet I/O
POINT I/O Selection Guide	1734-SG001
FLEX I/O and FLEX Ex I/O Selection Guide	1794-SG002
FLEX Ex System Certification Reference Manual	1797-6.5.6
Distributed I/O for On-Machine Applications
ArmorBlock MaXum I/O and ArmorBlock I/O Selection Guide	1792-SG001
ArmorPoint I/O Selection Guide	1738-SG001
Embedded I/O for DeviceNet Technical Data	1799-TD001
Cables and Cordsets
On-Machine Connectivity Catalog	M116-CA001
On-Machine Solutions Selection Guide	ONMACH-SG001