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10.2 Optional Specifications
Serial communication
(C or C5 option)
The following operations can be carried out from an external computer.
(1) Reading and setting of the step SV, step time, PID and various set
values
(2) Reading of the PV and action status
(3) Function change
Communication line
EIA RS-232C (C option)
EIA RS-485 (C5 option)
Communication method
Half-duplex communication
Communication speed
9600, 19200, 38400 bps (Selectable by keypad)
Synchronization method
Start-stop synchronization
Communication protocol
Shinko protocol/Modbus ASCII/Modbus RTU (Selectable by keypad)
Communication converter IF-400 is available for Shinko protocol and
Modbus protocol.
Data bit/Parity
Data bit: 7 or 8
Parity: Even, Odd, No parity (Selectable by keypad)
Stop bit
1 or 2 (Selectable by keypad)
Data format
Communication
protocol
Shinko
protocol
Modbus ASCII
Modbus RTU
Start bit
1
1
1
Data bit
7
7 or 8
Selectable
8
Parity
Even
Even
(No parity, Odd)
Selectable
No parity
(Even, Odd)
Selectable
Stop bit
1
1 or 2
Selectable
1 or 2
Selectable
SV digital transmission
If ‘SV digital transmission’ is selected in [Communication protocol] in
Serial communication, SV can be digitally transmitted to Shinko
indicating controllers (with Serial communication C5 option).
Update cycle: 250 ms
(Fig. 10.2-1)
YA (-)
⑬
YB (+)
⑭
SG
⑮
YA (-)
YB (+)
SG
YA (-)
YB (+)
SG
YA (-)
YB (+)
SG
PCA1
Indicating controllers with communication function (Max. 31 units)
Содержание PCA1
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