A&D HV-G Series User Manual

HV-G Instruction Manual Page 56

17 Options

17.1 RS-232C / Relay output / Buzzer (OP-03)

Replacing RS-232C interface with this option, refer to “ RS-232C Serial Interface” for its
specification.

The following option cables can be used, when you do not use the relay output.

AX-KO557A,

AX-KO1786-200

Mating connector

DIN 8pin, JA:TCS0586 (of accessory pack)

Circuit

Relay

Solid-state-relay

Maximum voltage

DC50V

Maximum current

DC100mA

Maximum ON resistance 8 

Ω

1

HI

Output

Relay output of HI

2

RXD

Input

Receive data

3

TXD

Output

Transmit data

4

LO

Output

Relay output of LO

5

SG

-

Signal ground (RS-232C)

6

OK

Output

Relay output of OK

7

DSR

Output

Data set ready

8

COM

-

Relay common terminal

Step 1

Remove two screws that
attach the RS232C board on
the rear of the display unit.
Remove the RS232C board.

Step 2

Switch the connections.

Step 3

Insert the option board into the
display unit and afix with
screws