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 @ 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 mA 10 mA @ 24V DC 0.6 W @ 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 @ 25°C 50 ms @ Notch = 60 Hz (default)
60 ms @ Notch = 50 Hz
30 ms @ Notch = 100 Hz
25 ms @ Notch = 120 Hz
15 ms @ Notch = 200 Hz
12.5 ms @ Notch = 240 Hz
10 ms @ Notch = 300 Hz
7.5 ms @ Notch = 400 Hz
6.25 ms @ Notch = 480 Hz
Sigma Delta 75 mA 15 mA @ 24V DC 0.6 W @ 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 @ 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 mA 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 mA 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  175 mA 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. 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  24 ms 16 ms 75 mA 50 mA @ 24V DC (including outputs @ 20 mA) 1.0 W @ 28.8V DC DC Micro (M12)
1738-OE4CM12 4 single-ended  4…20 mA
0…20 mA
16 bits
0.32 mA/cnt
0.1% Full Scale @ 25° C¬  T  40 ms 1 ms 75 mA 115 mA @ 24V DC (including outputs @ 20 mA) 750 W load on each output: 1.86 W @ 28.8V DC
0 W load on each output: 2.15 W @ 28.8V DC
1738-OE2VM12 2 single-ended  0…10V
±10V
14 bits (13 + sign)
1.28 mV/cnt in unipolar or bipolar mode
0.1% Full Scale @ 25° C¬  T  20 ms 20 ms 75 mA 35 mA @ 24V DC (including outputs @ 3 mA) 1.0 W @ 28.8V DC
¬ 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.

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 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).