MG R3-CT4B User manual

EM-8445 Rev.4 P. 1 / 3
INSTRUCTION MANUAL
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
AC CURRENT INPUT MODULE
(4 points, isolated, clamp-on current sensor type CLSB use) MODEL R3-CT4B
BEFORE USE ....
Thank you for choosing us. Before use, please check con-
tents 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.
■PACKAGE INCLUDES:
AC current input module....................................................(1)
■MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
■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.
■GENERAL PRECAUTIONS
• DO NOT set the switches on the module while the power
is supplied. The switches are used only for maintenance
without the power.
■ENVIRONMENT
• Indoor use.
• When heavy dust or metal particles are present in the
air, install the unit inside proper housing with sufficient
ventilation.
• 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 sup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.
INSTALLATION
Use the Installation Base (model: R3-BSx).

R3-CT4B
EM-8445 Rev.4 P. 2 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
COMPONENT IDENTIFICATION
1
11
12
13
14
15
16
17
18
19
20
2
3
4
5
6
7
8
9
10
ON
8
7
6
5
4
3
2
1
SW1SW2
ON
8
7
6
5
4
3
2
1
SW3
ON
4
3
2
1
■ FRONT VIEW ■ SIDE VIEW
ERR LED
RUN LED
Conv.
Rate
Input 2 (SW1)
or
Input 4 (SW2)
Range
Input 1 (SW1)
or
Input 3 (SW2)
Functions
■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.
■SIDE DIP SW
(*) Factory setting
• Input Range: SW1, SW2
INPUT 1 (SW1) INPUT 2 (SW1)
RANGEINPUT 3 (SW2) INPUT 4 (SW2)
12345678
OFF OFF OFF OFF OFF OFF OFF OFF CLSB-60 (*)
ON OFF OFF OFF ON OFF OFF OFF CLSB-40
OFF ON OFF OFF OFF ON OFF OFF CLSB-20
ON ON OFF OFF ON ON OFF OFF CLSB-10
OFF OFF ON OFF OFF OFF ON OFF CLSB-05
• Conversion Rate: SW3-1, 3-2
SW CONVERSION RATE
80 ms (*)40 ms 20 ms 10 ms
SW3-1 OFF ON OFF ON
SW3-2 OFF OFF ON ON
Note: Be sure to set unused 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 AVAILABLE RANGE DEFAULT SETTING
Zero Scale -32000 to +32000 0
Full Scale -32000 to [phone]
Zero Adjust -320.00 to +320.00 0.00
Full Adjust -32000 to +32000 1.0000
Zero Base Depends on sensor type 0.00
Full Base Depends on sensor type 0.00
Unused 0: Enable
1: Disable
0: Enable

R3-CT4B
EM-8445 Rev.4 P. 3 / 3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
TERMINAL CONNECTIONS
Connect the unit as in the diagram below.
■EXTERNAL DIMENSIONS unit: mm (inch)
1
11
12
13
14
15
16
17
18
19
20
2
3
4
5
6
7
8
9
10
130 (5.12)
27.5 (1.08) 109 (4.29) POSITIONING
GUIDE
TERMINAL
COVER
20–M3
SCREW
6.2
(.24)
■CONNECTION DIAGRAM
BUS CONNECTOR
INTERNAL
POWER
INTERNAL
BUS A
INTERNAL
BUS B*
*For dual redundant communication.
INPUT 1
1
2
INPUT 2
3
4
LOAD
SOURCE
k
l
LOAD
SOURCE
k
l
INPUT 3
6
7
INPUT 4
8
9
LOAD
SOURCE
k
LOAD
SOURCE
l
CLAMP-ON SENSOR
CLAMP-ON SENSOR
CLAMP-ON SENSOR
CLAMP-ON SENSOR
k
l
WIRING INSTRUCTIONS
■SCREW TERMINAL
Torque: 0.5 N·m
■SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable. Solder-
less terminals with insulation sleeve do not fit.
Applicable wire size: 0.3 – 0.75 mm2
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd., Nichifu Co., Ltd.
12max
6max
3max 4min
3.2 dia.
(mm)