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(2) Description of the sample program
s parameters and sending data area are configured at the first scan (R7E3).
When R0 is set ON, TRNS 9 is executed then port 2 in slot A, unit 4 is configured as following table.
(In this example, when initial setting of EH-SIO is completed, initial setting completion flag X4A29 is set ON.
Once Modbus slave mode is configured, this mode will be kept after CPU is in STOP status. In this sample program,
initial setting program works only when initial setting has not been configured yet.)
Items
Communication mode
Modbus mode
Device address
Waiting time
I/O mapping (Bit)
I/O mapping (Word)
Setup value
H0011
Modbus slave mode
H0000
Modbus RTU mode
H01xx
No. 01
200 ms (20 10ms)
Hxx14
H0000
Not used
H0004
Not used
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Chapter 6 Communication Mode
Setup contents
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