MODEL: R3-WT4B

R3-WT4B SPECIFICATIONS

ES-8384 Rev.5 Page 1/7

http://www.m-system.co.jp/

Remote I/O R3 Series

AC POWER INPUT MODULE

(4 input circuits, clamp-on current sensor type CLSB use)

52.5 (2.07)

130

(5.12)

109

(4.29)

mm (inch)

MODEL: R3-WT4B[1][2][3][4]

ORDERING INFORMATION

• Code number: R3-WT4B[1][2][3][4]

Specify a code from below for each of [1] through [4].

(e.g. R3-WT4B11W/Q)

• Specify the specification for option code /Q

(e.g. /C01)

NO. OF CHANNELS

4B: 4 channels, Sensor type CLSB

[1] CONFIGURATION

1: 3-phase / 3-wire

2: Single-phase / 2-wire

3: Single-phase / 3-wire

[2] INPUT (unbalanced load)

1: 110 V AC / 50 A

2: 110 V AC / 100 A

5: 220 V AC / 50 A

6: 220 V AC / 100 A

A: 200 V AC / 50 A (single-phase/3-wire)

B: 200 V AC / 100 A (single-phase/3-wire)

[3] COMMUNICATION MODE

S: Single

W: Dual

[4] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

RELATED PRODUCTS

• PC configurator software (model: R3CON)

The R3CON is used to set up the software setting of this

module. Downloadable at M-System's web site.

• Clamp-on current sensor (model: CLSB-05)

• Clamp-on current sensor (model: CLSB-10)

Note: The clamp-on current sensor, not included in the

product package of the R3 module, must be ordered

separately. Refer to the data sheet for the sensor for more

information such as applicable wire diameter.

GENERAL SPECIFICATIONS

Connection

Internal bus: Via the Installation Base (model: R3-BSx)

Input: M3.5 screw terminals (torque 0.8 N·m)

Internal power: Via the Installation Base (model: R3-BSx)

Screw terminal: Nickel-plated steel

Isolation: Sensor core to sensor output or current input or

internal bus or internal power to voltage input

Computation: Time division multiplication

DIP switch settings:

• Measuring variables

• Computation methods

• Count Reset (Disable/Enable)

• Others

Refer to the instruction manual for details.

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.

Power ON timer: Starts conversion in 10 seconds after the

power is turned on.

Low-end cutout: Converted data forced to 0 % for 2 % or

less input. (Selectable by using R3CON)

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz

• Voltage Input

Operational range: 0 – 120 % of rating

Overload capacity: 150 % of rating for 10 sec., 120 %

continuous

• Current Input