Parameterization and commissioning
EL6731 125Version: 2.8
Byte Meaning
0 Header-Byte (bits 6,7 = 1, bits 0-5 = 2.0.32)
1 Bit 0: 1
st
DP module has diagnosis
Bit 1: 2
nd
DP module has diagnosis
...
Bit 7: 8
th
DP module has diagnosis
... ...
31 Bit 0: 241
st
DP module has diagnosis
Bit 1: 242
nd
DP module has diagnosis
Bit 2: 243
rd
DP module has diagnosis
Bit 3: 244
th
DP module has diagnosis (a maximum of 244 DP modules as possible)
Channel diagnosis
The channel diagnosis provides a closer description of the cause of the diagnosis of a DP module.
Byte Meaning
0 Header byte = 0x83 (3 bytes including header, bits 6, 7 = 2)
1 Bit 0-5: Channel number
Bit 6-7: 0 = reserved, 1 = input, 2 = output, 3 = input/output
2 Bit 0-4: Error type
Bit 5-7: Channel type
Error type
Value Meaning
0 reserved
1 Short circuit
2 Undervoltage
3 Overvoltage
4 Overload
5 Overtemperature
6 Wire breakage
7 Upper limit value exceeded
8 Value below lower limit
9 Error
10-15 reserved
16-31 Manufacturer specific (see the documentation for the DP slave)
Channel type
Value Meaning
0 Any type
1 Bit
2 2 bit
3 4 bit
4 Byte
5 Word
6 2 words
7 reserved
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