1756-OF8 Allen Bradley 1756 ControlLogix Analog Output Module
Part Number: 1756-OF8
Model: Analog Output Module
Manufacturer: Allen Bradley
Condition: New & Original in Factory Packing
Factory Warranty: 12 Months
Technical Specifications
Model: 1756-OF8
Outputs: 8 voltage or current
Output range: 10V; 0 20 mA
Resolution: 15 bits across 21 mA - 650 nA/bit; 15 bits across 10.4V - 320 V/bit
Current draw @ 5.1V: 150 mA
Current draw @ 24V: 210 mA
Total backplane power: 5.8 W
Power dissipation, max: 4.92 W, 8 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; Current: 0 750
Settling time: < 2 ms to 95% of final value with resistive loads
Calibrated accuracy 25 ?C (77 ?F): Better than 0.05% of range from 4 21 mA, -10.4 10.4V
Calibration interval: 12 months typical
Offset drift: 50 V/?C typical (Voltage mode); 0.1 A/?C typical (Current mode)
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 input scan time, min: 12 ms floating point; 8 ms integer
Data format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point
Module conversion method: R-Ladder DAC, monotonicity with no missing codes
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
Module keying: Electronic, software configurable
RTB keying: User-defined mechanical
Slot width: 1
Wire category: 2¹
North American temperature code: T4A
IEC temperature code: T4
Enclosure type: None (open-style)