On-Machine Distributed I/O

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1738 ArmorPoint I/O

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Analog I/O Modules

The ArmorPoint analog I/O modules support:


ArmorPoint Analog Input Modules

Cat. No. 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 at 25 °C 70 ms at Notch = 60 Hz (default)
80 ms at Notch = 50 Hz
16 ms at Notch = 250 Hz
8 ms at Notch = 500 Hz 		Delta Sigma 75 mA 10 mA at 24V DC 0.6 W at 28.8V DC DC Micro
1738-IE4CM12 4 single-ended  4…20 mA
0…20 mA 		16 bits - over 0…21 mA; 0.32 mA/cnt 0.1% Full Scale at 25°C 50 ms at Notch = 60 Hz (default)
60 ms at Notch = 50 Hz
30 ms at Notch = 100 Hz
25 ms at Notch = 120 Hz
15 ms at Notch = 200 Hz
12.5 ms at Notch = 240 Hz
10 ms at Notch = 300 Hz
7.5 ms at Notch = 400 Hz
6.25 ms at Notch = 480 Hz 		Sigma Delta 75 mA 15 mA at 24V DC 0.6 W at 28.8V DC
1738-IE2VM12 2 single-ended  0…10V
±10V 		15 bits plus sign
320 mV/cnt in unipolar or bipolar mode 		0.1% Full Scale at 25 °C 70 ms at Notch = 60 Hz (default)
80 ms at Notch = 50 Hz
16 ms at Notch = 250 Hz
8 ms at Notch = 500 Hz 		Delta Sigma 75 mA 15 mA at 24V DC 0.75 W at 28.8V DC
1738-IR2M12§  2 single-ended RTD 0…600 W 16 bits
9.5 mV/cnt
0.03 °C/cnt (pt 385 at 25 °C) 		0.1% Full Scale at 25 °C‡  60 ms at Notch = 50 Hz
50 ms at Notch = 60 Hz
30 ms at Notch = 100 Hz
25 ms at Notch = 120 Hz
15 ms at Notch = 200 Hz
13 ms at Notch = 240 Hz
10 ms at Notch = 300 Hz
8 ms at Notch = 400 Hz
6 ms at Notch = 480 Hz 		— 220 mA 15 mA at 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 at 25 °C‡  175 mA — 1.0 W
⋆ Includes offset, gain, nonlinearity, and repeatability error terms.
‡ 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 at Notch = 50 Hz
17 ms at Notch = 60 Hz (default)
10 ms at Notch = 100 Hz
8 ms at Notch = 120 Hz
5 ms at Notch = 200 Hz
4 ms at Notch = 240 Hz
3 ms at Notch = 300 Hz
3 ms at Notch = 400 Hz
2 ms at Notch = 480 Hz 		20 ms at Notch = 50 Hz
17 ms at Notch = 60 Hz (default)
10 ms at Notch = 100 Hz
8 ms at Notch = 120 Hz
5 ms at Notch = 200 Hz
4 ms at Notch = 240 Hz
3 ms at Notch = 300 Hz
3 ms at Notch = 400 Hz
2 ms at Notch = 480 Hz
Data Format Signed integer Signed integer

ArmorPoint Analog Output Modules

Cat. No. 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 at 25° C⋆  ‡ 0.1% Full Scale at 25 °C 24 ms 16 ms 75 mA 50 mA at 24V DC (including outputs at 20 mA) 1.0 W at 28.8V DC DC Micro (M12)
1738-OE4CM12 4 single-ended  0 mA output until communication established
0…21 mA user configurable 		16 bits
0.32 mA/cnt 		40 ms 1 ms 115 mA at 24V DC (including outputs at 20 mA) 750 W load on each output: 1.86 W at 28.8V DC
0 W load on each output: 2.15 W at 28.8V DC
1738-OE2VM12 2 single-ended  0…10V
±10V 		14 bits (13 + sign)
1.28 mV/cnt in unipolar or bipolar mode 		20 ms 20 ms 35 mA at 24V DC (including outputs at 3 mA) 1.0 W at 28.8V DC
⋆ Includes offset, gain, non-linearity, and repeatability error terms.
‡ 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.

Mating Cables

The mating cables listed represent straight PVC models. You can also use our Product Configuration Assistant for ArmorPoint analog I/O modules to find additional mating cables, network connections, and auxiliary power connections for the I/O module you need.

ArmorPoint Analog Input Module Mating Cables

ArmorPoint Cat. No. End Device per Connector Recommended Patchcord (Double-ended) Recommended Male Cordset (Single-ended) Recommended Field Attachable Connector
1738-IE2CM12
1738-IE4CM12
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-OE4CM12
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).