Allen-Bradley 1756-OB8 User Manual

Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 249
Appendix H
History of Changes
This appendix summarizes the revisions to this manual. Reference this appendix
if you need information to determine what changes have been made across
multiple revisions. This may be especially useful if you are deciding to upgrade
your hardware or software based on information added with previous revisions of
this manual.
1756-UM058F-EN-P,
April 2012
Topic Page
1756-UM058F-EN-P, April 2012 249
1756-UM058E-EN-P, August 2010 250
Change
Added sections about using CIP Sync time.
Added the 1756-OB16IEF module to the list of modules with electronic fusing.
Added a chapter to describe features of the 1756-IB16IF and 1756-OB16IEF modules.
Added connection formats for the 1756-IB16IF and 1756-OB16IEF modules.
Added leakage resistor sizing and supply voltage chart for the 1756-IB16D module.
Added wiring diagrams for the 1756-IB16IF and 1756-OB16IEF modules.
Added status indicator information for the 1756-IB16IF and 1756-OB16IEF modules.
Added new tags for the 1756-IB16IF and 1756-OB16IEF modules.
Added a section about timestamped inputs and scheduled outputs for fast I/O modules.

Allen-Bradley 1756-OB8 Specifications

General

Module Type	Digital Output
Number of Outputs	8
Voltage Category	24V DC
Slot Width	Single Slot
Operating Voltage	10…30V DC
Isolation Voltage	1500V
Temperature Rating	0…60 °C (32…140 °F)
Backplane Current Load	100mA at 5V, 50mA at 24V
Operating Temperature	0 to 60°C
Communication	ControlNet, EtherNet/IP
Compatibility	1756 ControlLogix