R7MWTU MULTI POWER MONITORING MODULE

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R7MWTU Remote I/O R7 Series MULTI POWER MONITORING MODULE (Clamp-on current sensor CLSE, Modbus)

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Detail

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

R7MWTU

Remote I/O R7 Series

MULTI POWER MONITORING MODULE
(Clamp-on current sensor CLSE, Modbus)

ORDERING INFORMATION
• Basic module: R7MWTU-2[1]1-AD4[2]
Specify a code from below for each [1] and [2].
  (e.g. R7MWTU-221-AD4/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

• Extension module: R7MWTU-EA8[1]
  (e.g. R7MWTU-EA8/Q)
Specify a code from below for [1].
• Specify the specification for option code /Q
  (e.g. /C01)

BASIC MODULE: R7MWTU–2[1]1–AD4[2]

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

[1] NO. OF SYSTEMS
1: 1 system, Di / Pi x 4 (internal power 5 V)
(no connection with extension module)
2: 2 systems

INPUT
1: 240 V AC / CLSE

POWER INPUT
Universal
AD4: 100 – 240 V AC / 110 – 240 V DC (universal)
(Operational voltage range 85 - 264 V AC, 50 - 60 Hz /
 99 - 264 V DC, ripple 10 %p-p max.)

[2] OPTIONS
blank: none
/Q: With options (specify the specification)

EXTENSION MODULE: R7MWTU-EA8[1]

I/O TYPE
EA8: Di / Pi, 8 points (internal power 5 V)

[1] OPTIONS
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet (No. ESU-7816)
(The ordering information sheet is available only for the basic module.)

FUNCTIONS & FEATURES
The R7MWTU is a Multi Power Monitoring Module for Modbus.
The R7MWTU uses clamp-on current sensors, there is no need of current transformers.
Current sensors are easy to install in existing systems. Wide input range of 5 to 600 A is availabe.
All measured values, counter values, display mode, setting data are stored in the non-volatile memory when power is off.
A ‘basic’ module can be attached with an ‘extension’ module (except R7MWTU-211-AD4)because of this, it is able to use it as 2-circuit power and 8 discrete inputs module.

RELATED PRODUCTS
• PC configurator software (model: PMCFG)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
• Clamp-on current sensor (model: CLSE)
The clamp-on current sensors, not included in this product package, must be ordered separately. Required number depends upon the system configuration.

PACKAGE INCLUDES...
• Terminating resistor (110 Ω, 0.25 W)

GENERAL SPECIFICATIONS
Connection: M3 separable screw terminal (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
   Recommended manufacturer: Japan Solderless Terminal MFG.Co.Ltd, Nichifu Co.,ltd 
  Applicable wire size: 0.25 to 1.65 mm2 (AWG 22 to 16)
Configuration: Single phase/2-wire and 3-wire, 3-phase/3-wire balanced/unbalanced load, 3-phase/4-wire balanced/unbalanced load
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Sensor core to sensor output or current input or voltage input to discrete input to Modbus or FG to power
Measured variables
  Voltage
: 1-N, 2-N, 3-N, 1-2, 2-3, 3-1
  Current: 1, 2, 3, N
  Active / reactive / apparent power: 1, 2, 3, Σ
  Power factor: 1, 2, 3, Σ
  Frequency
  Active energy
: Incoming / outgoing
  Reactive energy: Incoming / outgoing / lag (inductive)
  /lead (capacitive)
  Apparent energy
  Active / reactive / apparent power intervals (demand) 
  Average (demand) current: 1, 2, 3, N 
  Harmonic contents
: Σ
  Voltage: 1-N, 2-N, 3-N, 1-2, 2-3, 3-1
  Current: 1, 2, 3, N
  Max. and min. values
  Demand history
: 1 to 4
Operating mode setting: Configurator software and DIP switch setting; connection, balanced/unbalanced, clamp-on sensor type (refer to the manual for details)
Status indicator LED: PWR

MODBUS COMMUNICATION
Communication: Half-duplex, asynchronous, no procedure
Standard: Conforms to TIA/EIA-485-A
Transmission distance: 500 meters max.
Protocol: Modbus - RTU or Modbus - ASCII
Max. number of nodes: 31 (excluding master)
Node address setting: 1 - 99 (with rotary switch) (factory default setting: 00) 
Baud rate setting: With rotary switch 38.4 kbps (default) 19.2 kbps, 9600 bps, 4800 bps
Status indicator LED: RUN, ERR, SD, RD

INPUT SPECIFICATIONS
Frequency: 50 / 60 Hz (45 – 65 Hz)
• Voltage Input
Rated voltage
Line-to-line (delta voltage): 240 V
Line-neutral (phase voltage): 138 V
Consumption VA: ≤ ULN2 / 300 kΩ / phase
Overload capacity: 200 % of rating for 10 sec., 120 % continuous
Selectable primary voltage range: 50 – 400 000 V
• Current Input
CLSE-R5
: 0 – 5 A AC
CLSE-05: 0 – 50 A AC
CLSE-10: 0 – 100 A AC
CLSE-20: 0 – 200 A AC
CLSE-40: 0 – 400 A AC
CLSE-60: 0 – 600 A AC
Overload capacity: 120 % continous, 500 % for 10 sec.
(Note: Use for the circuit not exceed 480 V)
Selectable primary current range: 1 – 20 000 A (only with CLSE-R5, refer to the configurator settings)
Operational range
Current
: 0 – 120 % of the rating
Voltage: 10 – 120 % of the rating
Apparent power: ≤ 120 % of the rating
Active/reactive power: ±120 % of the rating
Frequency: 45 – 65 Hz
Power factor: ±1
■ Discrete input
Common
: Negative common
Maximum frequency: 10 Hz
Minimum pulse width: 50 msec.
Totalized pulse range: 0 - 999 999 999
Count at overflow: Reset and restart at ‘1.’
Detecting voltage/current: 5 V DC / 5 mA approx.
Detecting levels: ≤ 5 kΩ / ≤ 2 V for ON;
≥ 100 kΩ / 4 V for OFF
Operation mode: Discrete and pulse counter

INSTALLATION
Power consumption
AC:
  Basic module: < 5 VA
  Basic with extension module: < 6 VA
DC:
  Basic module: < 1.5 W
  Basic with extension module: < 2 W
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -20 to +65°C (-4 to +149°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail
Weight
  Basic module: 200 g (0.44 lb)  
  Extension module: 90 g (0.2 lb)

PERFORMANCE
Accuracy (at 10 - 35°C or 50 - 35°F, 45 – 65 Hz)
Add the accuracy of the current sensor for overall values.
  Voltage: ±0.5 % of the rating
  Current: ±0.5 % of the rating
  Power: ±1.0 % of the rating
  Power factor: ±1.5 %
  Frequency: ±0.1 % of the rating 
  Energy: ±2.0 % of the rating (range 5 - 100 %, PF 1)
  Harmonic contents: ±2.0 % of the rating
The described accuracy levels are ensured at the input 1 % or more for phase 2 current with 3-phase/3-wire unbalanced load, for neutral current with 3-phase/4-wire unbalanced load, and neutral current with 1-phase/3-wire.
Data update period:
  Frequency: ≤ 1 sec.
  Other: ≤ 500 msec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
2000 V AC @ 1 minute (current input or voltage input or discrete input to Modbus or FG to input power)
1000 V AC @ 1 minute (current input or voltage input to discrete input)

EXTERNAL VIEW

TERMINAL CONNECTIONS

CONNECTION DIAGRAMS

TERMINAL ASSIGNMENTS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.

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