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250 Fieldbus Communication
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Table 152: Register address 0x1029
Register address 0x1029 (4137
dec
) with 9 words
Value
MODBUS TCP statistics
Access
Read/write
Description
1 word SlaveDeviceFailure
internal bus error, fieldbus error by
activated watchdog
1 word BadProtocol
error in the MODBUS TCP header
1 word BadLength
Wrong telegram length
1 word BadFunction
Invalid function code
1 word BadAddress
Invalid register address
1 word BadData
Invalid value
1 word TooManyRegisters
Number of the registers which can be
worked on is too large, Read/Write 125/100
1 word TooManyBits
Number of the coils which can be worked
on is too large, Read/Write 2000/800
1 word ModTcpMessageCounter
Number of received MODBUS/TCP
requests
With Writing 0xAA55 or 0x55AA in the register will reset this data area.
Pos: 109.42 /Alle Serien (Allgemeine Module)/Feldbuskommunikation/MODBUS/Zugriff auf Registerwerte - Konfigurationsregister 0x102A @ 4\mod_1235634788484_21.doc @ 27796 @ @ 1
Table 153: Register address 0x102A
Register address 0x102A (4138
dec
) with a word count of 1
Value
MODBUS/TCP Connections
Access
Read
Description
Number of TCP connections
Pos: 109.43 /Alle Serien (Allgemeine Module)/Feldbuskommunikation/MODBUS/Zugriff auf Registerwerte - Konfigurationsregister 0x102B (881) @ 8\mod_1280233152940_21.doc @ 61365 @ @ 1
Table 154: Register address 0x102B
Register address 0x102B (4139
dez
) with a word count of up to 1
Value
KBUS reset
Access
Write
Description
Writing of this register restarts the internal bus
Pos: 109.44 /Alle Serien (Allgemeine Module)/Feldbuskommunikation/MODBUS/Zugriff auf Registerwerte - Konfigurationsregister 0x1030, 0x1031 (Zeitbasis 100ms) @ 6\mod_1254385997423_21.doc @ 42340 @ @ 1
Table 155: Register address 0x1030
Register address 0x1030 (4144
dec
) with a word count of 1
Value
Configuration MODBUS/TCP Time-out
Access
Read/write
Default
0x0258 (600 decimal)
Description
This is the maximum number of milliseconds the fieldbus coupler will allow a
MODBUS/TCP connection to stay open without receiving a MODBUS request.
Upon time-out, idle connection will be closed. Outputs remain in last state.
Default value is 600 ms (60 seconds), the time base is 100 ms, the minimal value
is 100 ms. If the value is set to ‘0’, the timeout is disabled. On this connection,
the watchdog is triggered with a request.
Table 156: Register address 0x1031
Register address 0x1031 (4145
dec
) with a word count of 3
Value
Read the MAC-ID of the controller
Access
Read
Description
This register gives the MAC-ID, with a length of 3 words