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6-6 Communication function [option]
1) Function
·
Internal data can be read/written via MODBUS or ASCII communications.
2) To use the function, the following three parameters must be set.
3rd block parameter
PV
SV
Set the station No. at "STno"
(station No. setting paramter).
[Sample: station No. = 18]
3) Caution
·
Station No. can be set in the range of 0 to 255. (No communication is allowed when Modbus is selected,
or Stno=0.)
·
After changing the setting of parity at "COM", please power off and re-start the controller.
·
Baud rate is fixed to 9600 bps.
PV
SV
Set the parity at "COM".
CoM
0
Odd
1
Even
2
No parity
[Sample: Odd parity]
– 25 –
PV
SV
Set the communi-
cation protocols.
PCoL
1
Modbus
2
ASCII
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