Instruction Manual

Page 66 HV-G/HW-G Series
17. Options
17.2. RS-232C/ Relay Output/ Buzzer (OP-03)
Note When the OP-03 is used, be sure to set the "Address ( f11 ) " to "( 00 )".
Replace the standard RS-232C interface with this option. Refer to " RS-232C Serial
Interface" for its specification.
The following optional cables can be used, when you do not use the relay output.
AX-KO577A-200 (D-sub 25pin, 2m)
AX-KO1786-200 (D-sub 9pin, 2m)
Pin connections
Pin No. Signal name Direction Description
A
1 HI Output Relay output of HI
A
2 RXD Input Receive data
A
3 TXD Output Transmit data
A
4 LO Output Relay output of LO
A
5 SG - Signal ground (RS-232C)
A
6 OK Output Relay output of OK
A
7 DSR Output Data set ready
A
8 COM - Relay common terminal
A
Adaptable connector DIN 8pin TCP0586 (of accessory)
Circuits
Relay Solid-state-relay Maximum voltage 50V DC
Maximum current 100mA DC
Maximum resistance 8 Ω
6
1
4
2
5
3
7
8
DSR
TXD
RXD
SG
OK
HI
LO
COM
Relay
Din connector on rear of display unit