RKC INSTRUMENT MA900 Instruction Manual

®

RKC INSTRUMENT INC.

All Rights Reserved, Copyright 

 2001, RKC INSTRUMENT INC.

Multi-point Digital Controller

MA900/MA901

Instruction Manual

IMR01H01-E4

Thank you for purchasing the RKC product. In order to achieve

maximum performance and ensure proper operation of your new

instrument, carefully read all the instructions in this manual.

Please place this manual in a convenient location for easy

reference.

SYMBOLS

: This mark indicates precautions that must be

taken if there is danger of electric shock, fire, etc.,

which could result in loss of life or injury.

: This mark indicates that if these precautions and

operating procedures are not taken, damage to

the instrument may result.

: This mark indicates that all precautions should be

taken for safe usage.

: This mark indicates important information on

installation, handling and operating procedures.

: This mark indicates supplemental information on

installation, handling and operating procedures.

: This mark indicates where additional information

may be located.

!"

An external protection device must be installed if

failure of this instrument could result in damage to

the instrument, equipment or injury to personnel.

!"

All wiring must be completed before power is turned

on to prevent electric shock, fire or damage to

instrument and equipment.

!"

This instrument must be used in accordance with the

specifications to prevent fire or damage to instrument

and equipment.

!"

This instrument is not intended for use in locations

subject to flammable or explosive gases.

!"

Do not touch high-voltage connections such as

power supply terminals, etc. to avoid electric shock.

!"

RKC is not responsible if this instrument is repaired,

modified or disassembled by other than factory-

approved personnel. Malfunction can occur and

warranty is void under these conditions.

!"

This is a Class A instrument. In a domestic environment, this

instrument may cause radio interference, in which case the

user may be required to take adequate measures.

!"

This instrument is protected from electric shock by reinforced

insulation. Provide reinforced insulation between the wire for

the input signal and the wires for instrument power supply,

source of power and loads.

!"

Be sure to provide an appropriate surge control circuit

respectively for the following:

− 

If input/output or signal lines within the building are longer

than 30 meters.

− 

If input/output or signal lines leave the building, regardless

the length.

!"

This instrument is designed for installation in an enclosed

instrumentation panel. All high-voltage connections such as

power supply terminals must be enclosed in the

instrumentation panel to avoid electric shock by operating

personnel.

!"

All precautions described in this manual should be taken to

avoid damage to the instrument or equipment.

!"

All wiring must be in accordance with local codes and

regulations.

!"

All wiring must be completed before power is turned on to

prevent electric shock, instrument failure, or incorrect action.

The power must be turned off before repairing work for input

break and output failure including replacement of sensor,

contactor or SSR, and all wiring must be completed before

power is turned on again.

!"

To prevent instrument damage or failure, protect the power line

and the input/output lines from high currents with a protection

device such as fuse, circuit breaker, etc.

!"

Prevent metal fragments or lead wire scraps from falling inside

instrument case to avoid electric shock, fire or malfunction.

!"

Tighten each terminal screw to the specified torque found in

the manual to avoid electric shock, fire or malfunction.

!"

For proper operation of this instrument, provide adequate

ventilation for heat dispensation.

!"

Do not connect wires to unused terminals as this will interfere

with proper operation of the instrument.

!"

Turn off the power supply before cleaning the instrument.

!"

Do not use a volatile solvent such as paint thinner to clean the

instrument. Deformation or discoloration will occur. Use a soft,

dry cloth to remove stains from the instrument.

!"

To avoid damage to instrument display, do not rub with an

abrasive material or push front panel with a hard object.

!"

Do not connect modular connectors to telephone line.

NOTICE

!"

This manual assumes that the reader has a fundamental

knowledge of the principles of electricity, process control,

computer technology and communications.

!"

The figures, diagrams and numeric values used in this manual

are only for purpose of illustration.

!"

RKC is not responsible for any damage or injury that is caused

as a result of using this instrument, instrument failure or

indirect damage.

!"

Periodic maintenance is required for safe and proper operation

of this instrument. Some components have a limited service life,

or characteristics that change over time.

!"

Every effort has been made to ensure accuracy of all

information contained herein. RKC makes no warranty

expressed or implied, with respect to the accuracy of the

information. The information in this manual is subject to change

without prior notice.

!"

No portion of this document may be reprinted, modified, copied,

transmitted, digitized, stored, processed or retrieved through

any mechanical, electronic, optical or other means without prior

written approval from RKC.

CONTENTS

1. OUTLINE ････････････････････････････････････････ 1

2. MOUNTING ･････････････････････････････････････  3

3. WIRING ････････････････････････････････････････  4

4. PARTS DESCRIPTION ･･･････････････････････････  5

5. SETTING ･･･････････････････････････････････････  6

6. OPERATION ･･･････････････････････････････････  14

7. FUNCTIONS ･･･････････････････････････････････  16

8. ERROR DISPLAYS ･････････････････････････････  19

9. REMOVING THE INTERNAL ASSEMBLY ･･････････  19

10. SPECIFICATIONS ･････････････････････････････  20

CAUTION

WARNING

CAUTION

!

!

WARNING