Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual
Page 291
Publication 1756-UM009C-EN-P - December 2010
291
Analog I/O Module Specifications Appendix A
Power dissipation, max
Voltage: 1.73 W
Current: 2.33 W
Thermal dissipation
Voltage: 5.88 BTU/hr
Current: 7.92 BTU/hr
Input impedance
Voltage: >1 M
Ω
Current: 249
Ω
Open circuit detection time
Differential voltage: Positive full scale reading within 5 s
Single-ended/diff. current: Negative full scale reading
within 5 s
Single-ended voltage: Even numbered channels go to
positive full scale reading within 5 s, odd numbered
channels go to negative full scale reading within 5 s
Overvoltage protection, max
Voltage: 30V DC
Current: 8V DC
Normal mode noise rejection
>80 dB @ 50/60 Hz
(1)
Common mode noise rejection
>100 dB @ 50/60 Hz
Calibrated accuracy 25 °C
Voltage: Better than 0.05% of range
Current: Better than 0.15% of range
Calibration interval
12 months
Offset drift
45
μ
V/°C
Gain drift with temperature
Voltage: 15 ppm/°C
Current: 20 ppm/°C
Module error
Voltage: 0.1% of range
Current: 0.3% of range
Module input scan time, min
8 pt single-ended (floating point): 16…488 ms
4 pt differential (floating point): 8…244 ms
2 pt differential (floating point): 5…122 m
(1)
Isolation voltage
250V (continuous), reinforced insulation type,
inputs-to-backplane
No isolation between individual inputs
Routine tested at 1350V AC for 2 s
Removable terminal block
1756-TBCH
1756-TBS6H
Slot width
1
Wire size
0.33…2.1 mm
2
(22…14 AWG) solid or stranded copper
wire rated at 90 °C (194 °F), or greater, 1.2 mm
(0.047 in.) insulation max
(2)
Wire category
2
(3)
North American temperature code
T4A
IEC temperature code
T4
Enclosure type
None (open-style)
(1)
Notch filter dependent.
(2)
Maximum wire size requires extended housing, catalog number 1756-TBE.
(3)
Use this conductor category information for planning conductor routing as described in the system-level
installation manual. See the Industrial Automation Wiring and Grounding Guidelines, publication
Technical Specifications - 1756-IF8
Attribute
1756-IF8