78
12 Interface
78
Interface
Chapter
12
■Setting values related to RS-485
■RS-485 I/F setting
RS-485 I/F setting of the F325 is changed.
■RS-485 I/F setting method
1. Select setting mode 4.
→ (three times)
2. Select "RS-485 I/F setting".
Press the key once.
Set the RS-485 I/F setting using the
(numerical value input)
and (shift) keys, and confirm it
with the key.
* When communication mode is Modbus-
RTU, set 8-bit for the length of character
and 1 bit for the stop bit ("1:2 bit" for the
stop bit if "0: None" is selected for the
parity bit).
3. Press the key to return to the indicated value display.
■RS-485 ID (slave address for Modbus-RTU)
The ID number of the F325 is set.
■RS-485 ID setting method
1. Select setting mode 4.
→ (three times)
2. Select "RS-485 ID".
Press the key twice.
Set the RS-485 ID using the
(numerical value input) and keys,
and confirm it with the key.
3. Press the key to return to the indicated value display.
1: CR+LF
0: CR
Terminator
5: 38400bps
4: 19200bps
Baud rate
3: 9600bps
2: 4800bps
2: Even
1: Odd
0: None
Parity bit
1: 2400bps
0: 1200bps
1: 8 bit
0: 7 bit
1: 2 bit
0: 1 bit
Stop bit
(only valid
for UNI-Format)
Length of character
Initialize the RS-485 I/F setting of the connecting computer and PLC to the F325
setting.
Key points
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