R7CWTU MULTI POWER MONITORING MODULE

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ES-7814 Rev.7

R7CWTU

Remote I/O R7 Series

MULTI POWER MONITORING MODULE

(Clamp-on current sensor CLSE, CC-Link)

MODEL: R7CWTU-2[1]1-AD4[2]

ORDERING INFORMATION

• Basic module: R7CWTU-2[1]1-AD4[2]
Specify a code from below for each of [1] and [2].
(e.g. R7CWTU-221-AD4/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)

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 points (internal power 5 V)
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)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-7814-x)

FUNCTIONS & FEATURES

The R7CWTU is a Multi Power Monitoring Module for CC-Link.
The R7CWTU 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.

RELATED PRODUCTS

• PC configurator software (model: PMCFG)
Downloadable at our 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, 0.5 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 CC-Link 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
■Recommended solderless terminal size - M3

CC-Link COMMUNICATION

CC-Link：Ver.1.10
Connector: M3 screw terminal
Network cable: CC-Link cable designated by Mitsubishi Electric
Station number: 1 - 64 (rotary switch, default:00)
Station Type: Remote device
Data allocation: 1
Baud rate setting: 156 kbps (default), 625 kbps, 2.5 Mbps,
5 Mbps, 10 Mbps (rotary switch)
Status indicator LEDs: 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 (three-phase/4-wire)
Consumption VA: ≤ U_LN² / 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: < 8 VA
•DC: < 3 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: 210 g (0.46 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 CC-Link or FG to input power)
1000 V AC @ 1 minute (current input or voltage input to discrete input)