INSTRUCTION MANUALAC CURRENT INPUT MODULE(8 points, isolated, clamp-on current sensor type CLSB-R5 use)

MODEL

R3-CT8C

BEFORE USE ....

POINTS OF CAUTION

Thank you for choosing us. Before use, please check contents of the package you received as outlined below.
If you have any problems or questions with the product,please contact our sales office or representatives.

■ HOT SWAPPABLE MODULES• Replacing the module does not affect other modules on
the same base. Thus, the module can be replaced while
the power is ON. However, replacing multiple modules
at once may greatly change live voltage levels. We highly
recommend to replace them one by one.

■ PACKAGE INCLUDES:
AC current input module.....................................................(1)■ MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■ INSTRUCTION MANUALThis manual describes necessary points of caution when
you use this product, including installation, connection andbasic maintenance procedures.

■ GENERAL PRECAUTIONS• DO NOT set the switches on the module while the poweris supplied. The switches are used only for maintenancewithout the power.
■ ENVIRONMENT• Indoor use.
• When heavy dust or metal particles are present in theair, install the unit inside proper housing with sufficientventilation.
• Do not install the unit where it is subjected to continuous
vibration. Do not subject the unit to physical impact.
• Environmental temperature must be within -10 to +55°C(14 to 131°F) with relative humidity within 30 to 90% RH
in order to ensure adequate life span and operation.
■ WIRING• Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
• Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■ AND ....
• The unit is designed to function as soon as power is supplied, however, a warm up for 10 minutes is required forsatisfying complete performance described in the datasheet.

INSTALLATION
Use the Installation Base (model: R3-BSx).

MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPANEM-8442 Rev.4

P. 1 / 4

R3-CT8CCOMPONENT IDENTIFICATION■ SIDE VIEW

■ FRONT VIEW
RUN LED15ERR LED
FunctionsSW112345678SW21234567816171819

SW3Range
Input 1-4 (SW1)orInput 5-8 (SW2)123420Conv.
Rate

212223

ON

2425

ON

26ON2728■ SIDE DIP SW(*) Factory setting• Input Range: SW1, SW2 (selectable per 4 channels)
INPUT 1 through INPUT 4 (SW1)
INPUT 5 through INPUT 8 (SW2)1234OFFOFFOFF
OFFON
OFF
OFF
OFFRANGE
0 - 5A (*)
0 - 1A

1234567891011121314■ STATUS INDICATOR LED
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Bi-color (red/green) LED;
Red with input abnormality;
Green in normal operating conditions.

• Conversion Rate: SW3-1, 3-2
SW
SW3-1
SW3-2

160 ms (*)
OFF
OFF

CONVERSION RATE
80 ms
40 ms
ONOFFOFFON

20 ms
ONON

Note: Be sure to set unused SW1-5 through 1-8, SW2-5through 2-8, SW3-3 and 3-4 to OFF.

PC CONFIGURATOR
With configurator software, settings shown below are available.
Refer to the software manual of R3CON for detailed operation.
■ CHANNEL INDIVIDUAL SETTING
PARAMETER
Zero Scale
Full Scale
Zero Adjust
Full Adjust
Zero Base
Full Base
UnusedAVAILABLE RANGE-32000 to +32000-32000 to +32000-320.00 to +320.00-32000 to +32000
0.00 to 5.00
0.00 to 5.00
0: Enable
1: Disable

MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPANDEFAULT SETTING
0100000.00
1.00000.00
0.00
0: Enable

EM-8442 Rev.4

P. 2 / 4

R3-CT8CTERMINAL CONNECTIONSConnect the unit as in the diagram below.
■ EXTERNAL DIMENSIONS unit: mm (inch)
27.5 (1.08)

161718130 (5.12)

19202122232425262728

POSITIONINGGUIDE123456728–M3SCREW

891011126.2(.24)

15109 (4.29)

1314

TERMINAL
COVER

MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPANEM-8442 Rev.4

P. 3 / 4

R3-CT8C■ CONNECTION DIAGRAMWIRING INSTRUCTIONSSOURCEk■ SCREW TERMINALTorque: 0.5 N·mk
CLSB-R5l12LOADSOURCEkCTl
INPUT 2k
CLSB-R5l

BUS CONNECTORCTl
INPUT 14INTERNAL
BUS A
INTERNAL
BUS B*

INTERNAL
POWER■ SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable. Solderless terminals with insulation sleeve do not fit.
Applicable wire size: 0.3 – 0.5 mm2
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd., Nichifu Co., Ltd.

53max

4min
3.2 dia.

LOAD6max

SOURCEkCTl
INPUT 3k
CLSB-R5l

712max(mm)

8LOAD
SOURCEkCTl
INPUT 4k
CLSB-R5l

1011

LOADSOURCEkCTl
INPUT 5k
CLSB-R5l

1516

LOADSOURCEkCTl
INPUT 6k
CLSB-R5l

1819

LOAD
SOURCEkCTl
INPUT 7k
CLSB-R5l

2122

LOAD
SOURCEkCTl
INPUT 8k
CLSB-R5l

2425

LOAD
*For dual redundant communication.

MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPANEM-8442 Rev.4P. 4 / 4