A&D Weighing HW-1200KGV3 - Manual (Page 68)

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