ES-2498 Rev.0

M50XWTU-U

Super-mini Terminal Block Signal Conditioners M50X-UNIT

UL approval

MULTI POWER TRANSDUCER

(PC programmable)
Functions & Features
• Super-mini power transducer
• 5 to 600 A clamp CT use for current sensor
• Single-phase/2-wire, single-phase/3-wire 3-phase/3-wire and 3-phase/4-wire are available
• Single phase can measure up to four circuits, single-phase/3-wire, Three-phase/2-wire can measure up to two circuits
• For mounting in equipment and machine
• Power LED and communication LED

MODEL: M50XWTU-U-213-M2[1]

ORDERING INFORMATION

• Code number: M50XWTU-U-213-M2[1]
Specify a code from below for [1].
  (e.g. M50XWTU-U-213-M2/Q)
• Specify the specification for option code /Q
  (e.g. /SET)

CONFIGURATION

2: Single phase / 2-wire and 3-wire, 
    3-phase / 3-wire and 4-wire

INPUT

1: 240 V AC / CLSE-U
Clamp-on current sensor is selectable from below.
CLSE-U (5A, 50A, 100A, 200A, 400A, 600A)
5A is available as CT's secondary.

EXTERNAL INTERFACE

3: Modbus communication

POWER INPUT

AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
 47 – 66 Hz)

[1] OPTIONS

Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q

EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-2498)

RELATED PRODUCTS

• PC Configurator cable (model: COP-US)
• PC configurator software (model: PMCFG)
Downloadable at our web site.
• Clamp-on current sensor (model: CLSE-U)

GENERAL SPECIFICATIONS

Connection: Tension clamp terminal
Applicable wire size (wire material: Copper):
  Lower connector (voltage input, power, Modbus)
  0.2 - 1.5 mm2(AWG 16-24), stripped length 8 - 9 mm
  Upper connector (current sensor input, pulse output)
  0.2 - 1.5 mm2(AWG 16-24), stripped length 10 - 11 mm
Housing material: Flame-resistant resin (black)
Isolation: Voltage input or current input to Modbus to pulse output 1 to pulse output 2 to power
Measured variables
  Voltage: 1-N, 2-N, 3-N, 1-2, 2-3, 3-1
  Current: 1, 2, 3, N
  Active power
  Reactive power
  Apparent power
  Power factor
  Frequency
  Active energy: Incoming / outgoing
  Reactive energy: Incoming / outgoing / lag (inductive)
  /lead (capacitive)
  Harmonic distortion:
  Overall distortion ratio, content rate (2nd to 31st)
  Max. and min. values
  CO2 emissions (energy conversion value)
  Simplified measurement mode: Calculates power from current values with fixed voltage values and power factor.
Power indicator LED: Green LED; Blinking patterns indicate different operating status of the transmitter.

MODBUS COMMUNICATION

Communication: Half-duplex, asynchronous, no procedure
Standard: Conforms to TIA/EIA-485-A
Transmission distance: 500 meters max.
Baud rate: 1200, 2400, 4800, 9600, 19200, 38400 bps (default: 38400 bps)
Protocol: Modbus RTU
Node address: 1 to 247 (default: 1)
Parity: None, even or odd (default: odd)
Stop bit: 1 or 2 (default: 1)
Max. number of nodes: 31 (excluding master)
Transmission media: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Internal terminating resistor: 110 Ω
Communication indicator LED: Green LED turns ON while Modbus communication

INPUT SPECIFICATIONS

Frequency: 50 / 60 Hz (45 – 66 Hz)
• Voltage Input
Rated voltage for each wiring: 
•Phase voltage (1-N, 2-N, 3-N)
   240 V AC
•Line voltage (1-2, 2-3, 3-1)
   240 V AC
Type for each wiring:
•Single-phase/2-wire
•Single-phase/3-wire
•Three-phase/3-wire
•Three-phase/4-wire
Input range: 1-N, 2-N, 3-N 50 to 277 V AC
                    1-2, 2-3, 3-1 50 to 277 V AC
Consumption VA: Voltage circuit ≤ ULN2 / 250 kΩ / ph
Selectable primary voltage range: 50 – 400 000 V
• Current Input
Current sensor (default: CLSE-U-R5)
CLSE-U-R5: 0 – 5 A AC
CLSE-U-05: 0 – 50 A AC
CLSE-U-10: 0 – 100 A AC
CLSE-U-20: 0 – 200 A AC
CLSE-U-40: 0 – 400 A AC
CLSE-U-60: 0 – 600 A AC
Input range: 0 - 120 % of the rating
Low-end cutout (current): 0 - 99.9 % (default setting: 1 %)
Selectable primary current range: 1 – 20 000 A (only with CLSE-U-R5, refer to the configurator settings)

OUTPUT SPECIFICATIONS

■Pulse output
Outputs assignable to pulse: various energy
Output type: Photo MOSFET relay
Rated load: 30 V 200 mA AC/DC at peak
ON resistance: 1 Ω max.
Leakage current during opening: 2 μA max.

INSTALLATION

Power consumption
•AC: ≤ 3 VA
Operating temperature: -20 to +55°C (-4 to +131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: DIN rail
Weight: 70 g (2.5 oz)

PERFORMANCE

Input Accuracy*1
  Voltage: ±0.5 %*2
  Current: ±0.5 %*2
  Power: ±0.5 %*2
  Power factor: ±1.5 %
  Frequency: ±0.1 Hz
  Energy: ±2 % (power factor ≥ 0.5, input ≥ 10 %)
*1. Sensor error margin not included. Add sensor error margin when using with the combination of the sensor.
*2. An accuracy for rated input. The described accuracy levels are ensured at the input 1% or more for neutral current in a single-phase/3-wire circuit, phase-2 current in a 3-phase/3-wire circuit and phase-N current in a 3-phase/4-wire circuit.
Temp. coefficient: ±0.0075 %/°C (0.004 %/°F)
Sampling time: ≤ 500 msec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(current input or voltage input to Modbus to pulse output 1 to pulse output 2 to power)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive 
  EN 61010-1
  Measurement Category II (input)
  Installation Category II (power supply)
  Pollution Degree 2
  Voltage input to current input or Modbus or pulse output:
  Reinforced insulation (300 V)
  Power to current input or Modbus or pulse output:
  Reinforced insulation (300 V) 
RoHS Directive
Approval:
UL/C-UL general safety requirements
  (UL 61010-1, CAN/CSA-C22.2 No.61010-1)

EXTERNAL VIEW

TERMINAL CONNECTIONS

MODBUS WIRING CONNECTION

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM