81
c. Communication system supplementation.
c-1 Communication connector connection chart.
When communicating by RS-232C.
Pin assignment
Pin No Item
2: RS-232C RxD
3: RS-232C TxD
5: GND
When communicating by RS-485.
Pin assignment
Pin No Item
4: RS-485 B(-)
6: RS-485 A(+)
8: RS-485 Terminator
9: RS-485 Terminator
In case of one.
Pump address [:01 ]
At tow connection.
Pump address [:01 ] [:02 ]
At nn connection.
Pump address [:01 ] [:02 ] [:nn ]
Noting when communicating by RS-485.
●
For the pump connected at the end, RS-485 terminator (between 8-9) is short-circuited.
●
It is necessary to set the address to the pump when communicating by RS-485.
Please contact the service center when it is not set.
●
Please input the 3 digits of “
:
n n” before the command when you order the command from the host side.
: n n [Command name ]
*
The command is the same as the RS-232C communication.
colon address command
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
GND
RS-232C TxD
RS-232C RxD
H
O
S
T
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
GND
RS-232C TxD
RS-232C RxD
H
O
S
T
CAUTION
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
RS-485 終端抵抗
RS-485 Terminator
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
RS-485 終端抵抗
RS-485 Terminator
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
RS-485 Terminator
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
H
O
S
T
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485B(-)
RS-485A(+)
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
RS-485 Terminator
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485 B(-)
RS-485A(+)
H
O
S
T
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485 B(-)
RS-485A(+)
H
O
S
T
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
RS-485 Terminator
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485 B(-)
RS-485A(+)
H
O
S
T
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
RS-485 B(-)
RS-485A(+)
H
O
S
T
RS-485B(-)
RS-485A(+)
RS-485 終端抵抗
RS-485 Terminator