
User Manual
Section 4
GFK-2958L
May 2021
Detailed Descriptions of the Fieldbus Network Adapters
102
Register address
(in hex)
Access Data width
Description
Remarks
0x1010
ro
Word
Process image length in bits for the
output modules
0x1011
ro
Word
Process image length in bits for the input
modules
0x1017
ro
Word
Register mapping revision
0x1018
–
0x101B
ro
Byte
Collective diagnostics message for I/O
modules
(1 bit per I/O module)
0x101C
–
0x101F
ro
Byte
Collective process alarm message for I/O
modules
(1 bit per I/O module)
0x1028
–
0x102F
ro
Byte
Module status (2 bits per I/O module) 00
= module OK, 01 = module error 10 =
incorrect module 11 = module not
plugged in
Structure
as
in
PROFIBUS module
status
0x1030
ro
Word
MODBUS DATA EXCHANGE watchdog,
current time (x*10ms) 0 = watchdog has
expired 0xFFFF = watchdog deactivated
Time still remaining
for monitoring the
exchange of process
data
0x1120
rw
Word
MODBUS DATA EXCHANGE watchdog,
predefined time (x*10ms), default = 0ms
(no watchdog active)
Time for monitoring
the exchange of
process data
0x1121
rw
Word
MODBUS DATA EXCHANGE watchdog
reset register
Bit0 = 1: watchdog reset at predefined
time
Bit8 = 1: restart after expired watchdog
Bit 0: reset watchdog
while it is running
(retrigger)
Bit 8: restart of
expired watchdog
0x1122
rw
DWord
Lock of the “Force Mode” via Webserver
LOCK to lock,
FREE to unlock
0x1124
–
0x1125
rw
Long
Changing IP Address 1 via Fieldbus
0x1126
–
0x1127
rw
Long
Changing Subnet Mask 1 via Fieldbus
0x1128
–
0x1129
rw
Long
Changing Gateway 1 via Fieldbus
0x1130
rw
Word
MODBUS CONNECTION mode register
0x1131
rw
Word
MODBUS CONNECTION timeout in sec.
Default = 1 (0 not allowed)
0x1132
rw
Word
Check the reference list before data
exchange
0x0000 = disable, 0x0001 = enable
0x1133
rw
Word
Process alarm 0x0000 = disable, 0x0001
= enable
0x1134
rw
Word
Diagnostics alarm 0x0000 = disable,
0x0001 = enable
0x1135
rw
Word
Behavior in case of field bus error and
reference list error
0x0000 = all outputs to 0, 0x0001 = set
error values
0x0002 = retain process data