A&D HW-60KV-WP 사용자 설명서

HV-WP/HW-WP Series

Page 59

17.3. OP-04, Options

Circuits

Selection switch for the RS-422/ RS-485 interface

Selects either of RS-422 or RS-485 interface using a switch on the board.

17.3.1.

17.3.1. Installing the OP-04

Installing the OP-04

Caution Do not pull on the connected cables while opening the rear panel.

Step 1 Remove eight pairs of screws and O

rings from the indicator unit. Open the

rear panel of the unit.

Step 2 Remove the standard interface board

from the indicator unit. Install the

option board at the same position.

Step 3 Connect the cable to the J3 connector

on the option board.

Step 4 Wire the connector for J1 and connect

it to the option board.

Step 5 Connect a cable from the transformer

to the J2 connector.

Step 6 Set a interface type with the switch.

Step 7 Close and secure the rear panel using

the screws and O rings removed at

step 1.