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Rockwell Automation Publication 1756-UM013B-EN-P - October 2019
Chapter 1
Digital Safety I/O Module Operation in a Control System
Configured By Options Available with the 1756 ControlLogix Digital Safety I/O Modules
The Configured By choice determines what data is exchanged between the
owner-controller and the module. These are example Module Definition dialog
boxes, and available Connection choices, for the 1756-IB16S and 1756-OBV8S
safety modules.
describes the connection types that you can use with the 1756-IB16S and
1756-OBV8S safety modules.
1756-IB16S Module
1756-OBV8S Module
Table 3 - Configured By Choices - 1756-IB16S and 1756-OBV8S Safety Modules
Configured By
Choice
Description
1756-IB16S Safety Input Module
1756-OBV8S Safety Output Module
This Controller
The module returns the following to the owner-controller:
• General fault data
• Safety input data
The module returns the following to the owner-controller:
• General fault data
• Safety input data
• Safety output data
When you choose This Controller, you must define the output mode that
the module uses, that is, sourcing or bipolar output mode.
External Means
When the External Means option is chosen, another controller listens to the data exchanged with the owner-controller. That is, it receives Safety input
data. A controller with this option does not write configuration for the module.
For more information on External Means, see