CTC UNION TECHNOLOGIES CO., LTD.

IC485 IP-1

Card Type

Current Loop Converter

I/O Options

RS-485 via terminal block, RS-232 via DB-25 connector, DC power

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Button – unidentified function

BT

RS-485 via terminal block

CN2

RS-232 via DB-25 connector

CN1

DC power

CN3

USER CONFIGURABLE SETTINGS

Function

Label

Position

í Unit configured for DCE operation

SW1

On

Unit configured for DTE operation

SW1

Off

í Unit configured for monitor mode

SW2

Off

Unit configured for simulation mode

SW2

On

í Unit configured for half-duplex operation

SW3

On

Unit configured for full-duplex operation

SW3

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

On

Unit is receiving power

LED1

Red

Off

Unit is not receiving power

RD

Red

On

Unit is receiving data

RD

Red

Off

Unit is not receiving data

TD

Red

On

Unit is transmitting data

TD

Red

Off

Unit is not transmitting data