Interrupts, error messages, diagnostics and system alarms
5.2 Interrupts
Interface module IM 155-6 DP HF (6ES7155-6BA01-0CN0)
Manual, 10/2018, A5E03916550-AD
35
The following table is used to explain the channel error entries:
Channel number 0 to 63: Channel number for channel error
Channel properties Bit 0 to 7 00
H
: Free data type
01
H
: bit
02
H
: 2 bit
03
H
: 4 bit
04
H
: byte
05
H
: word
06
H
: Double word
Bit 8 0: Channel
Bit 9, 10 00
H
: Diagnostics
01
H
: Maintenance demanded
02
H
: Maintenance required
Bit 11, 12 00
H
: Channel error-free
01
H
: Incoming diagnostics
02
H
: Outgoing diagnostics
03
H
: Outgoing diagnostics, but other diagnostics are also
Bit 13 to 15 00
H
: Reserve
01
H
: Input channel
02
H
: Output channel
H
Refer to respective manual for explanation.