ID share mode
30
z
Setting flow
1. Send the following query in the unicast mode to set a share group to the driver of the slave address 1.
Query (unicast mode)
Field name
Data
Description
Slave address
01h
Driver of slave address 1
Function code
10h
Writing to multiple holding registers
Data
Register address (upper)
09h
Register address to start writing from
= Share control global ID (upper): 0980h
Register address (lower)
80h
Number of registers (upper)
00h
Number of registers to be written from the starting
register address = 6 registers (0006h)
Number of registers (lower)
06h
Number of data bytes
0Ch
Twice the number of registers in the query = 12
Value write to register address (upper)
00h
Value written to register address 0980h
= Share control global ID (upper): 0000h
Value write to register address (lower)
00h
Value write to register a1 (upper)
00h
Value written to register address 0981h
= Share control global ID (lower): 000Fh
Value write to register a1 (lower)
0Fh
Value write to register a2 (upper)
00h
Value written to register address 0982h
= Share control number (upper): 0000h
Value write to register a2 (lower)
00h
Value write to register a3 (upper)
00h
Value written to register address 0983h
= Share control number (lower): 0002h
Value write to register a3 (lower)
02h
Value write to register a4 (upper)
00h
Value written to register address 0984h
= Share control local ID (upper): 0000h
Value write to register a4 (lower)
00h
Value write to register a5 (upper)
00h
Value written to register address 0985h
= Share control local ID (lower): 0001h
Value write to register a5 (lower)
01h
Error check (lower)
44h
Calculation result of CRC-16
Error check (upper)
D5h
Response (unicast mode)
Field name
Data
Description
Slave address
01h
Same as query
Function code
10h
Same as query
Data
Register address (upper)
09h
Same as query
Register address (lower)
80h
Number of registers (upper)
00h
Same as query
Number of registers (lower)
06h
Error check (lower)
42h
Calculation result of CRC-16
Error check (upper)
7Fh
2. Set a share group to the driver of the slave address 2 as in the step 1.
Parameters having set in the unicast mode are cleared when the main power supply and the control
power supply are turned off because they are stored in RAM. If the “Write batch NV memory” of the
maintenance command is executed, parameters are saved in the non-volatile memory. Therefore,
they are retained even if the main power supply and the control power supply are turned off.
