R3-WT4 AC POWER INPUT MODULE

Detail

·Some details are not shown. Please refer to specification sheets for all information.

R3-WT4

Remote I/O R3 Series

AC POWER INPUT MODULE
(4 input circuits)

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 [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. Downloable 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 the 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
Operational range: 0 – 120 % of rating
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10 sec., 120% continuous
■ Active Power Input Range
Choose VT and CT ratios so that the calibration range calculated by the following equation is within the usable range in the table at the end of this section.
Calibration Range [W] = Measuring Wattage [W] ÷ [(VT Ratio) × (CT Ratio)]

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: 600 g (1.3 lb)

PERFORMANCE
Accuracy
(at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz)
  Active power: ±1.0 %
  Active energy: ±2 %
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 1 to current input 2 to current input 3 to current input 4 to 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

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.