Allen-Bradley ControlLogix 1756-OB16D User Manual

12 ControlLogix DC (19.2-30V) Diagnostic Output Module
Publication 1756-IN058D-EN-P - October 2000
Remove the Module
1756-OB16D Specifications
Number of Outputs 16 (8 points/common)
Module Location 1756 ControlLogix Chassis
Backplane Current 250mA @ 5.1V dc & 140mA @ 24V dc
(Total backplane power 4.64W)
Max. Power Dissipation (Module)
3.3W @ 60
o
C
Thermal Dissipation 11.25 BTU/hr
Output Voltage Range 19.2-30V dc
Output Current Rating
Per Point
Per Module
2A max. @ 30°C & 1A max. @ 60°C (Linear derating)
8A max. @ 30°C & 4A max. @ 60°C (Linear derating)
Surge Current per Point 4A for 10ms each, repeatable every 1s
Minimum Load Current 3mA per point
Maximum On-State Voltage Drop 1.2V dc @ 2A
Max. Off-State Leakage Current 1mA per point
Output Delay Time
OFF to ON
ON to OFF
1ms maximum
5ms maximum
Diagnostic Functions:
Short trip
No load
Output verification
Pulse test
Time stamp of diagnostics
8A 180ms minimum
10A 120ms minimum
OFF STATE detection only
ON STATE detection only
User selectable maximum pulse width
+/- 1ms
Configurable Fault States/Point Hold Last State, ON or OFF (OFF is the default)
Configurable States in Program
Mode/Point
Hold Last State, ON or OFF (OFF is the default)
1. Push in top and bottom locking tabs. 2. Pull module out of the chassis.
20856–M 20857–M

Allen-Bradley ControlLogix 1756-OB16D Specifications

General

Brand	Allen-Bradley
Model	ControlLogix 1756-OB16D
Category	Control Unit
Language	English