MODEL: R3-WT4

R3-WT4 SPECIFICATIONS

ES-8391 Rev.7 Page 1/7

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

Remote I/O R3 Series

AC POWER INPUT MODULE

(4 input circuits)

52.5 (2.07)

130

(5.12)

109

(4.29)

mm (inch)

MODEL: R3-WT4[1][2]1[3][4]

ORDERING INFORMATION

• Code number: R3-WT4[1][2]1[3][4]

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

(e.g. R3-WT4111S/Q)

• Specify the specification for option code /Q

(e.g. /C01)

NO. OF CHANNELS

4: 4

[1] CONFIGURATION

1: 3-phase / 3-wire

2: Single-phase / 2-wire

3: Single-phase / 3-wire

[2] INPUT (unbalanced load)

1: 110 V / 5 A AC

2: 110 V / 1 A AC

3: 220 V / 1 A AC

4: 220 V / 5 A AC

A: 100 V / 200 V / 1 A AC (single-phase / 3- wire)

B: 100 V / 200 V / 5 A AC (single-phase / 3- wire)

MEASURING VARIABLE

1: Active power / active energy

[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.

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: Voltage input to current input 1 to current input 2

to current input 3 to current input 4 to internal bus or

internal power

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