Troubleshooting By Using Auxiliary Functions; Overview; Power-Up Restart, Partial Restart, And Complete Restart - Siemens SIMATIC TI555 System Manual

7.1

Troubleshooting by Using Auxiliary Functions

Overview

Power-up Restart,
Partial Restart, and
Complete Restart
Troubleshooting
7-2
The TI545/TI555 CPU has self-checking and diagnostic capabilities that can
be used for troubleshooting purposes. The diagnostics and self-checks are
accessible through the Auxiliary Function menu on your programming
device.
When you display the Auxiliary Function menu, the following functions are
available for resetting the CPU, initiating diagnostics or displaying
diagnostic information:
Power-up restart — AUX 10.
Partial restart — AUX 11.
Complete restart — AUX 12.
Compare PLC to Disk — AUX 17.
Run PLC diagnostics — AUX 20.
Display failed I/O — AUX 25.
Show PLC diagnostic cell — AUX 29.
AUX Function 10 (power-up restart), AUX Function 11 (partial restart), and
AUX Function 12 (complete restart) are restart/clear functions. See
Table 7-1 for AUX Function 10, 11, and 12 restart states.
TI545/TI555 System Manual