When you insert or remove the module while backplane
power is on, an electrical arc can occur. This could cause
an explosion in hazardous location installations. Be sure
that power is removed or the area is nonhazardous
before proceeding.
Number of Inputs 16 single ended, 8 differential or 4 differential (high speed)
Module Location 1756 ControlLogix Chassis
Backplane Current 150mA @ 5.1V dc & 65mA @ 24V dc (2.33W)
Power Dissipation within Module
Thermal Dissipation
2.3W voltage
3.9W current
7.84 BTU/hr voltage
13.30 BTU/hr current
Input Range and Resolution +/-10.25V – 320 V/cnt (15 bits plus sign bipolar)
0-10.25V – 160 V/cnt (16 bits)
0-5.125V – 80 V/cnt (16 bits)
0-20.5mA – 0.32 A/cnt (16 bits)
Data Format Integer mode (Left justified, 2s complement)
Floating point IEEE 32 bit
Input Impedance
Voltage
Current
>1meg
249
Open Circuit Detection Time Differential voltage - Positive full scale reading
within 5s
Single Ended/Diff. current - Negative full scale
reading within 5s
Single Ended voltage - Even numbered channels go
to positive full scale reading within 5s, odd numbered
channels go to negative full scale reading within 5s
Overvoltage Protection 30V dc voltage
8V dc current
Normal Mode Noise Rejection(1) >80dB at 50/60Hz
Common Mode Noise Rejection >100dB at 50/60Hz
Calibrated Accuracy at 25°C Better than 0.05% of range - voltage
Better than 0.15% of range - current
Gain Drift with Temperature 15 ppm/degree C - voltage
20 ppm/degree C - current
Input Offset Drift with Temp. 45μV/degree C
Module Error over Full Temp.
Range
0.1% of range - voltage
0.3% of range - current
Module Conversion Method Sigma-Delta
Isolation Voltage
User to system
30V maximum continuous
100% tested at 2550 dc for 1s
