Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016 11
Chapter 1
Safety Function Operation
Read this chapter for information related to the safety functions of the
modules. Also included is a brief overview on international standards and
directives that you must be familiar with.
Safe State
The following status is the safety state of the Guard I/O modules:
• Safety outputs: off
• Safety input data to network: off
Figure 1 - Safety Status
Topic Page
Safe State 11
Self-diagnostic Functions 12
Configuration Lock 12
I/O Status Data 12
Safety Inputs 13
Muting Lamp Operation 21
Safety Outputs 23
Controlling Devices 26
ATTENTION: Safety State of the Module
• Safety state of the inputs and outputs is defined as the off state.
• Safety state of the module and its data is defined as the off state.
• Use the Guard I/O™ module only in applications where the off state is the
safety state.
Output Off
Input
Inputs to Network Off
EtherNet/IP Network
Safety
Status
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