Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual
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Publication 1756-UM009C-EN-P - December 2010
Appendix A Analog I/O Module Specifications
Current draw @ 24V
210 mA
Power dissipation, max
4.92 W, 4 channel current
Thermal dissipation
16.78 BTU/hr
Open circuit detection
Current output only (Output must be set to >0.1 mA)
Overvoltage protection
24V DC
Short circuit protection
Electronically current limited to 21 mA or less
Drive capability
Voltage: > 2000
Ω
Current: 0…750
Ω
Settling time
< 2 ms to 95% of final value with resistive loads
Calibrated accuracy
4…21 mA, -10.4…10.4V: Better than 0.05% of range @
25 °C
Calibration interval
12 months
Offset drift
50
μ
V/°C
100 nA/°C1
μ
A/°C
Gain drift with temperature
Voltage: 25 ppm/°C max
Current: 50 ppm/°C max
Module error
Voltage: 0.15% of range
Current: 0.3% of range
Module scan time
12 ms min floating point
8 ms min integer
Isolation voltage
250V (continuous), reinforced insulation type, output
channels-to-backplane
No isolation between individual output channels
Routine tested at 1350V AC for 2 s
Removable terminal block
1756-TBNH
1756-TBSH
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
(1)
Wire category
2
(2)
North American temperature code
T4A
IEC temperature code
T4
Enclosure type
None (open-style)
(1)
Maximum wire size requires extended housing, catalog number 1756-TBE.
(2)
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-OF8
Attribute
1756-OF8