Commissioning Manual
6FC5397-4EP10-0BA8, 07/2018
195
The blue color in the program editing window indicates the online connection status.
Diagnosing of the machine is important. Complete diagnosis of the external electrics can help users understand the cause
and location of breakdown immediately.
User alarms in the PLC subroutines
System provides users with 128 PLC user alarms. Every user alarm has a corresponding NCK address bit: DB1600.DBX0.0
to DB1600.DBX15.7. The address bit "1" can activate the corresponding alarm, and reset “0” can cancel the alarm.
In the PLC cross reference, you can find the reason for the PLC alarm through looking up reference addresses to make the
corresponding modification.
Some user alarms are activated in a subroutine. In the case that such an alarm is generated, you can search the following
list for the subroutine wherein the alarm is activated.
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