Insert the following entry to
citect\bin\protdir.dbf after the modbus entry:
| TAG
|
FILE
|
BIT_BLOCK
|
MAX_LENGTH
|
OPTIONS
|
| MODBUS
|
MODBUS
|
400
|
2000
|
0x17f
|
| MODBUS1
|
ABBINSUM
|
400
|
2000
|
0x17f
|
| MBPLUS
|
MODBUS
|
1904
|
1904
|
0x17f
|
Create a new protocol variable specification file abbinsum.dbf
based on modbus.dbf as follows:
| TEMPLATE
|
UNIT_TYPE
|
RAW_TYPE
|
BIT_WIDTH
|
LOW
|
HIGH
|
COMMENT
|
| 0%U
|
1
|
0
|
1
|
2
|
9999
|
Output Coils
Status
|
| 1%U
|
2
|
0
|
1
|
2
|
9999
|
Input Status
|
| 3%U
|
4
|
1
|
16
|
2
|
9999
|
Input Registers
|
| 4%U
|
3
|
1
|
16
|
2
|
9999
|
Output Registers
|
Use modbus1 instead of modbus when specify the protocol in the
IO Device form. When the user upgrade to a new version of Citect.
They would have update the new protdir.dbf with the above changes
themselves.
|
