MODEL: R3-WT1A

R3-WT1A SPECIFICATIONS

ES-8416 Rev.5 Page 1/5

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

Remote I/O R3 Series

MULTI POWER INPUT MODULE

(clamp-on current sensor type CLSA use)

52.5 (2.07)

130

(5.12)

109

(4.29)

mm (inch)

MODEL: R3-WT1A[1][2][3][4]

ORDERING INFORMATION

• Code number: R3-WT1A[1][2][3][4]

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

(e.g. R3-WT1A11W/Q)

• Specify the specification for option code /Q

(e.g. /C01)

NO. OF SYSTEMS

1A: 1, Sensor type CLSA

[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 / 80 A

2: 110 V AC / 120 A

5: 220 V AC / 80 A

6: 220 V AC / 120 A

A: 100 V / 200 V AC / 80 A (single-phase/3-wire)

B: 100 V / 200 V AC / 120 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: CLSA-08)

• Clamp-on current sensor (model: CLSA-12)

• Special cable (model: CLSA-08C)

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

DIP switch settings:

• 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)

P

Computation

Active power, reactive power: Time division

multiplication

Power factor: Calculated with active power (P)

and reactive power (Q)

Frequency: One-shot