Product Description
🔹 General Information
|
Manufacturer |
Allen-Bradley |
|---|---|
|
Model/Part Number |
1738-IE4CM12/A |
|
Description |
ArmorPoint Analog Input Module |
🔹 Technical Specifications
Analog Input Characteristics
|
Attribute |
Specification |
|---|---|
|
Number of Inputs |
4 |
|
Input Point Density |
4 single-ended, non-isolated |
|
Input Current Signal Range |
4…20 mA, 0…20 mA |
|
Absolute Accuracy (at 25°C) |
0.1% Full Scale |
|
Accuracy Drift with Temperature |
30 ppm/°C |
|
Digital Filter Time Constant |
0…10,000 ms (default = 0 ms) |
|
Input Conversion Type |
Sigma Delta |
|
Input Impedance |
60 Ω |
|
Input Resistance |
60 Ω |
|
Input Common Mode Rejection Ratio |
120 dB |
|
Input Normal Mode Rejection Ratio |
-60 dB |
|
Input Resolution |
16 bits (0.32 μA/count over 0…21 mA) |
|
Input Data Format |
Signed integer |
Notch Filter Settings
|
Notch Frequency |
Setting |
|---|---|
|
60 Hz (default) |
15.7 Hz |
|
50 Hz |
13.1 Hz |
|
100 Hz |
26.2 Hz |
|
120 Hz |
31.4 Hz |
|
200 Hz |
52.4 Hz |
|
240 Hz |
62.9 Hz |
|
300 Hz |
78.6 Hz |
|
400 Hz |
104.8 Hz |
|
480 Hz |
125.7 Hz |
Power & Electrical Characteristics
|
Attribute |
Specification |
|---|---|
|
External DC Power Supply Voltage (Nominal) |
24V DC |
|
External DC Power Supply Voltage Range |
10…28.8V DC |
|
External DC Power Supply Current |
15 mA @ 24V DC |
|
Overvoltage Protection (Input) |
Fault protected to 28.8V DC |
|
PointBus Current (Max) |
75 mA @ 5V DC |
|
Power Dissipation (Max) |
0.6 W @ 28.8V DC |
|
Thermal Dissipation (Max) |
2.0 BTU/hr @ 28.8V DC |
|
Calibration |
Factory Calibrated |
Indicators & Diagnostics
|
Indicator |
Description |
|---|---|
|
Module Status |
1 green/red LED (logic side) |
|
Network Status |
1 green/red LED (logic side) |
|
Input Status |
4 green/red LEDs (logic side) |
Environmental & Physical Characteristics
|
Attribute |
Specification |
|---|---|
|
Isolation Voltage |
50V (continuous), Reinforced Insulation Type (field-side to system) |
|
Isolation Test Voltage |
1250V AC for 60s (field-side to system) |
|
Channel-to-Channel Isolation |
No isolation between individual channels |
|
Dimensions (H x W x D) |
71.6 x 33.1 x 111.6 mm (2.82 x 1.30 x 4.39 in) |
|
Weight |
290 g (10.2 oz) |
|
Enclosure Type Rating |
Meets IP65/66/67/69K (when marked) |
|
Mounting Base Screw Torque |
- M4 (#8) Screw - Aluminum: 0.85 Nm (7.5 lb-in) - Steel: 1.81 Nm (16 lb-in) |
|
Wiring Category |
2 - on signal ports |
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