Interrupts, error messages, diagnostics and system alarms
5.3 Alarms
Interface module IM 155-6 DP HF (6ES7155-6BA01-0CN0)
Manual, 10/2018, A5E03916550-AD
45
Channel diagnostics provides information about channel errors in modules and details of the
identifier-related diagnostics. Channel diagnostics begins after the module status. Channel
diagnostics does not affect the module status.
The following figure shows how the channel diagnostics for the ET 200SP distributed I/O
system is structured with the IM 155-6 DP HF interface module:
Figure 5-13 Structure of channel diagnostics
When a BaseUnit is incorrectly configured, mapping is made to channel diagnostics. The slot
is then apparent from the first byte. In this case, the error type is coded with 0x10 -
parameter error. All other fields are set to "0".
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