Product Description
Product Details
Manufacturer: Allen-Bradley
Model/Part Number: 1738-IE4CM12
Description: ArmorPoint 4-Point Input Module
Specifications
General Specifications
|
Attribute |
Value |
|---|---|
|
Number of Inputs |
4 |
|
Input Point Density |
4 single-ended, non-isolated |
|
Input Current Signal Range |
4…20 mA / 0…20 mA |
|
Absolute Accuracy |
0.1% Full Scale @ 25°C |
|
Accuracy Drift with Temperature (Current Input) |
30 ppm/°C |
|
Digital Filter Time Constant |
0…10,000 ms (default = 0 ms) |
|
Input Common Mode Rejection Ratio |
120 dB |
|
Input Conversion Type |
Sigma Delta |
|
Input Impedance |
60 Ω |
|
Input Normal Mode Rejection Ratio |
-60 dB |
|
Notch Filter Frequencies |
15.7 Hz @ Notch = 60 Hz (default), 13.1 Hz @ Notch = 50 Hz, 26.2 Hz @ Notch = 100 Hz, 31.4 Hz @ Notch = 120 Hz, 52.4 Hz @ Notch = 200 Hz, 62.9 Hz @ Notch = 240 Hz, 78.6 Hz @ Notch = 300 Hz, 104.8 Hz @ Notch = 400 Hz, 125.7 Hz @ Notch = 480 Hz |
|
Input Resolution |
16 bits – over 0…21 mA; 0.32 μA/cnt |
|
Input Data Format |
Signed integer |
Power & Isolation
|
Attribute |
Value |
|---|---|
|
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 |
75 mA @ 5V DC |
|
Power Dissipation (Max) |
0.6 W @ 28.8V DC |
|
Thermal Dissipation (Max) |
2.0 BTU/hr @ 28.8V DC |
|
Isolation Voltage |
50V (continuous), Reinforced Insulation Type, Field-side to System |
|
Isolation Testing |
Type tested at 1250V AC for 60 s, Field-side to System |
|
Channel Isolation |
No isolation between individual channels |
Indicators & Physical Characteristics
|
Attribute |
Value |
|---|---|
|
Keyswitch Position |
3 |
|
Indicators |
1 green/red module status indicator (logic side), 1 green/red network status indicator (logic side), 4 green/red input status indicators (logic side) |
|
Dimensions (H x W x D) |
71.6 x 33.1 x 111.6 mm (2.82 x 1.30 x 4.39 in.) |
|
Enclosure Type Rating |
Meets IP65/66/67/69K (when marked) |
|
Mounting Base Screw Torque |
M4 (#8) screw – 0.85 Nm (7.5 lb-in) in Aluminum, 1.81 Nm (16 lb-in) in Steel |
|
Wiring Category |
2 – on signal ports |
|
Weight (Approx.) |
290 g (10.2 oz) |
Environmental Ratings
|
Attribute |
Value |
|---|---|
|
Operating Temperature |
-20…60 °C (-4…140 °F) |
|
Non-operating Temperature |
-40…85 °C (-40…185 °F) |
|
Relative Humidity |
5…95% non-condensing |
|
Vibration |
5g @ 10…500 Hz |