Rockwell Automation 1756-SPESMNRMXT GuardLogix Controllers User Manual - Manuel (Page 54)

54 Rockwell Automation Publication 1756-UM020I-EN-P - August 2012
Chapter 4 Communicate over Networks
Time-based Safety Network Number
If the time-based format is selected, the SNN value that is generated represents
the date and time at which the number was generated, according to the personal
computer running the configuration software.
Figure 11 - Time-based Format
Manual Safety Network Number
If the manual format is selected, the SNN represents entered values from 1…9999
decimal.
Figure 12 - Manual Entry