ES-8417 Rev.6

R3-WT1B

Remote I/O R3 Series

MULTI POWER INPUT MODULE

(clamp-on current sensor type CLSB use)

MODEL: R3-WT1B[1][2][3][4]

ORDERING INFORMATION

• Code number: R3-WT1B[1][2][3][4]
Specify a code from below for each of [1] through [4].
  (e.g. R3-WT1B11W/Q)
• Specify the specification for option code /Q
  (e.g. /C01)

NO. OF SYSTEMS

1B: 1, 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: 100 V / 200 V AC / 50 A (single-phase/3-wire)
B: 100 V / 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 our 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 our 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
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)

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
Range
CLSB-05
: 0 – 50 A AC
CLSB-10: 0 – 100 A AC
Operational range: 0 – 115 % of rating
Be sure that the input voltage is of 440 V or less.
Power Factor Input Range:
-1 – lag 0 – 1 – lead 0 – -1
Data range: -1000 – 0 – 1000 – 0 – -1000 with SW2-1 set to OFF
A device which employs different measuring methods may show different outputs from ours.
Frequency Input Range: 45 – 65 Hz
Data range: 4500 – 6500

INSTALLATION

Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R3-BSx)
Weight: 300 g (0.66 lb)

PERFORMANCE

Accuracy
(at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz) (Except the sensor’s accuracy.)
Active / reactive power: ±2 % (Add sensor’s accuracy for overall performance)
Power factor: ±4 % (Add sensor’s accuracy for overall performance)
Frequency: ±1 %
Active / reactive energy: ±2 % (Add sensor’s accuracy for overall performance)
Magnetic field (ext. origin) effect: ± 0.5 % (400 A/m)
Conversion rate: 100 msec.
Conversion data: 16 bits / 32 bits
Data allocation: 4, 8 or 16 selectable
Current consumption: 150 mA
Response time: ≤ 2 sec. (0 – 100 % ±1 %)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (voltage input to current input or internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)

EXTERNAL VIEW

TRANSMISSION DATA DESCRIPTIONS

I/O DATA DESCRIPTIONS

■ 16-BIT DATA
■ 32-BIT DATA

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM