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RS-232C/485 Isolation Unit 

Installation Guide

Thank you for purchasing Pro-face's RS-
232C/485 Isolation Unit (CA3-ISO232-01/
CA3-ISO485-01). This unit is designed to 
utilize Pro-face product, Display(Unit) serial 
interface connector (D-Sub 9-pin), and 
electrically separates the serial interface 
signal from the Display's chassis. 

For the details of the applicable models, 
please refer to each Display's Hardware 
Manual or Pro-face Home Page.

    http://www.pro-face.com/

Global Code

A global code is assigned to every Pro-face 
product as a universal model number.

For more information on product models and 
their matching global codes, please refer to 
the following URL.

http://www.pro-face.com/product/globalcode.html

Safety Precautions

• When disposing of this product, be 

sure to do so according to your 
country

'

s standards for industrial waste 

disposal.

Package Contents

(1) Isolation Unit

RS-232C Isolation Unit CA3-ISO232-01
RS-485 Isolation Unit CA3-ISO485-01

(2) Attachment Screws (2)

(3) Installation Guide <this document>

This product has been carefully packed with 
special attention to quality. However, should 
you find anything damaged or missing, 
please contact your local distributor.

WARNING

HAZARD OF ELECTRIC SHOCK OR EXPLO-
SION

To avoid an electric shock, prior to connecting 
this unit to the Display's serial interface, con-
firm that the Display's power supply is com-
pletely turned OFF, via a breaker, or similar 
unit.

Do not modify this unit. Doing so may cause 
a fire or an electric shock.

Do not use this unit in an environment where 
flammable gases are present, since operat-
ing this unit may cause an explosion.

Do not allow water, liquids, metal or charged 
particles to enter inside this unit, since they 
can cause either a unit malfunction or an 
electrical shock.

Failure to follow these instructions can result 
in death, serious injury, or equipment damage.

WARNING

UNINTENDED EQUIPMENT OPERATION OR 
LOSS OF CONTROL

Do not use or store this unit in direct sunlight,  
in excessively dusty or dirty environments or 
where excessive vibration can occur.

Do not store or use this unit where strong jolt-
ing can occur.

Do not store or use this unit where chemicals 
(such as organic solvents, etc.) and acids can 
evaporate, or where chemicals and acids are 
present in the air.

Failure to follow these instructions can result 
in death, serious injury, or equipment damage.

Summary of Contents for RS-232C

Page 1: ... quality However should you find anything damaged or missing please contact your local distributor WARNING HAZARD OF ELECTRIC SHOCK OR EXPLO SION To avoid an electric shock prior to connecting this unit to the Display s serial interface con firm that the Display s power supply is com pletely turned OFF via a breaker or similar unit Do not modify this unit Doing so may cause a fire or an electric s...

Page 2: ...n Method RS 232C RS 422 via DIP Switch RS 485 RS 422 via DIP Switch Interface D Sub 9 pin plug D Sub 9 pin socket Power Supply Rated Input Voltage DC 5V supplied from the Display Input Voltage Limits 1 25 W or less Input Voltage Endurance AC1000V 20mA 1min When attached to the Display Insulation Resistance DC500V 10MΩ or higher When attached to the Display 110 4 33 40 1 57 27 1 06 PLC Display to t...

Page 3: ...ution Degree For use in Pollution Degree 2 environment Atmosphere Free of corrosive gases Atmospheric Pressure Operating Altitude 800 1114 hPa 2000 m 6561 ft or lower Mechanical Environment Vibration Resistance IEC EN 61131 2 compliant 5 9 Hz Single amplitude 3 5 mm 0 14 in 9 150 Hz Fixed acceleration 9 8 m s2 X Y Z directions for 10 cycles 100 min Concussion Resistance IEC EN 61131 2 compliant 14...

Page 4: ...aning 1 CD Input Carrier Detect 2 RD RXD Input Receive Data 3 SD TXD Output Send Data 4 ER DTR Output Data Terminal Ready 5 SG Signal Ground 6 DR DSR Input Data Set Ready 7 RS RTS Output Request to Send 8 CS CTS Input Clear to Send 9 NC No connection Shell FG Frame Ground Pin Arrangement Pin RS 422 Signal Name Direction Meaning 1 RDA Input Receive Data A 2 RDB Input Receive Data B 3 SDA Output Sen...

Page 5: ...RS 485 Pin Arrangement Pin RS 485 Signal Name Direction Meaning 1 TRMRX Termination Receive side 100Ω 2 RDA SDA 3 Input Output Receive Data A Send Data A 4 NC No connection 5 SG Signal Ground 6 VCC 5V 5 output 0 05A 1 1 The VCC output for Pin 6 is not protected against overcurrent To prevent damage or unit malfunctions use only the rated current 7 RDB SDB 8 Input Output Receive Data B Send Data B ...

Page 6: ...zontally positioned or 2 vertically positioned screws to attach the unit If the Display already has an attachment it may restrict the direction in which you can place the unit Pin Arrangement Pin RS 422 Signal Name Direction Meaning 1 TRMRX Termination Receive side 100Ω 2 RDA Input Receive Data A 3 SDA Output Send Data A 4 NC No connection 5 SG Signal Ground 6 VCC 5V 5 output 0 05A 1 1 The VCC out...

Page 7: ...by its cord Be careful with wire placement Overlapping cords may cause noise When attaching another unit to the Display be careful of the place for the attachment If this unit and Pro face Product VM Unit GP2000 VM41 are attached to AGP 35 0T at the same time only when this unit is attached in the position as shown below it s possible to attach the VM Unit with it at the same time Make sure the un...

Page 8: ...o Device PLC Connection Manual CE Marking The CA3 ISO232 01 and CA3 ISO485 01 are a CE marked EMC compliant products These units conform to EN55011 Class A and EN61000 6 2 directives Digital Electronics Corporation 8 2 52 Nanko higashi Suminoe ku Osaka 559 0031 JAPAN TEL 81 0 6 6613 3116 FAX 81 0 6 6613 5888 http www pro face com Copyright 2006 Digital Electronics Corporation All rights reserved 7...

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