Rockwell Automation Publication 1769-UM022C-EN-P - June 2018 105
Chapter 7
Add, Configure, Monitor, and Replace CIP
Safety I/O Devices
Add Safety I/O Devices
When you add a safety I/O device to the system, you must define a configuration
for the device, including the following:
• IP address for EtherNet/IP networks
To set the IP address you can adjust the rotary switches on the device;
use DHCP software (available from Rockwell Automation); use the
Logix Designer application; or retrieve the default address from
nonvolatile memory.
• Safety network number (SNN); see page 108
for information on setting
the SNN
• Configuration signature; see page 112
for information on when the
configuration signature is set automatically and when you need to set it
• Reaction time limit; see page 109
for information on setting the reaction
time limit
• Safety input, output, and test parameters complete the module configuration
You can configure safety I/O devices via the Compact GuardLogix® controller
by using the Logix Designer application.
Topic Page
Add Safety I/O Devices 105
Configure Safety I/O Devices 106
Set the IP Address by Using Network Address Translation (NAT) 107
Set the Safety Network Number (SNN) 108
Unicast Connections on EtherNet/IP Networks 108
Set the Connection Reaction Time Limit 109
Understanding the Configuration Signature 112
Reset Safety I/O Device Ownership 113
Address Safety I/O Data 113
Monitor Safety I/O Device Status 114
Reset Safety I/O Device to Out-of-box Condition 113
Replace a Safety I/O Device 116
TIP Safety I/O devices support standard and safety data. Device configuration
defines what data is available.
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