ES-6222 Rev.10

R9CWTU

Remote I/O R9 Series

MULTI POWER MONITORING UNIT

(clamp-on current sensor CLSE, CC-Link)
Functions & Features
• Multi Power Monitoring Unit for CC-Link
• By using clamp-on current sensors, there is no need of current transformers
• Up to 8 circuits can be measured (Common voltage measurement)
• 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
• By using SD card, data logging of current and power etc. with calendar is available

MODEL: R9CWTU–2001–AD4[1]

ORDERING INFORMATION

• Code number: R9CWTU-2001-AD4[1]
Specify a code from below for [1].
  (e.g. R9CWTU-2001-AD4/2/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

CONFIGURATION

2: Single-phase/2-wire, 3-phase/3-wire, single-phase/3-wire; 8 circuits

CONNECTION

0: Terminal block

I/O

0: Without

EXTENSION UNIT

1: With connection

AUXILIARY POWER SUPPLY

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

[1] OPTIONS (multiple selections)

CC-Link Version
blank: Ver.1.10
/2: Ver.2.0
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

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-6222)

RELATED PRODUCTS

• Discrete I/O extension unit (model: R9WTU-ED)
• Multi power monitoring extension unit (model: R9WTU-EP)
• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: PMCFG)
Downloadable at our web site.
• 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.
• SD card
A SD card is required to store data in the unit.
Use the specified model number of memory card.
Available for purchase from us. Consult us.
  - Hagiwara Solutions NSD6-004GH(B21SEI 
  (NSD6-004GH(A00SDI, NSDA-004GT,
  NSDA-004GL  ... discontinued)
  - Apacer Technology AP-ISD04GIS4B-3T
  (AP-ISD04GIS4B-T ... discontinued)

GENERAL SPECIFICATIONS

Construction: Stand-alone
Degree of protection: IP20
Connection 
  Auxiliary power or voltage input: M3.5 screw terminals (torque 0.8 N·m) 
  Current input: M3 screw terminals (torque 0.5 N·m)
  CC-Link: M3 screw terminals (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
   Recommended manufacturer: J.S.T. Mfg. Co., Ltd., NICHIFU Co., Ltd.
Applicable wire size
  M3 screw terminal: 0.25 to 1.65 mm2 (AWG 22 to 16)
  M3.5 screw terminal: 1.04 to 2.63 mm2 (AWG 16 to 14)
Configuration: Single-phase/2-wire, single-phase/3-wire, 3-phase/3-wire
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (black)
Isolation: Sensor core to sensor output or current input or voltage input to CC-Link to auxiliary power to FE1
■ Measured variables
Voltage: R – N, S – N, T – N, R – S, S – T, T – R
Current: R, S, T, N
Active / reactive / apparent power: R, S, T, Σ
Power factor: R, S, T, Σ
Frequency
Active energy: Incoming
Reactive energy: Incoming lag
Active / reactive / apparent power intervals (demand) 
Average (demand) current: R, S, T, N  
Harmonic contents
: Σ
Voltage: R - N, S - N, T - N, R - S, S - T, T - R
Current: R, S, T, N
Max. and min. values
Calendar log (inserting SD card): Voltage, Current, power, electric energy, power factor
Operating mode setting: Connection, clamp-on sensor selection
Status indicators: Power, SD Card
Configurator connection: 2.5 dia. miniature jack
■ Recommended solderless terminal size - M3
■ Recommended solderless terminal size - M3.5

CC-Link COMMUNICATION

CC-Link: Ver.1.10/Ver.2.0
Station type: Remote device
Connector: M3 screw terminal
Network cable: CC-Link cable designated by Mitsubishi Electric
Station number: 1 - 64 (set by rotary switch)
Baud rate setting: 156 kbps (default), 625 kbps, 2.5 Mbps,
5 Mbps, 10 Mbps (selected by rotary switch)
CC-Link LED: Run, RD, SD, ERR
Ver.1.10
   
No.of occupied stations: 1
   Configuration: Via PC configurator software or CC-Link
   Data acquisition: Data is read by command-driven program
Ver.2.0
   
No.of occupied stations: 4 (Extended cyclic: 8)
   Configuration: Via PC configurator software
   Data acquisition: Max. 62 points of data can be designated and read
Terminating resistor: Built-in (Set by DIP SW; disabled at default)

INPUT SPECIFICATIONS

Frequency: 50 / 60 Hz (45 – 65 Hz)
Voltage Input
  Rated voltage
 
Between lines: 400 V AC
  •Line-neutral (phase voltage): 230 V (single-phase / 2-wire and 3-wire)
Input burden: ≤ 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 (Using CLSE-R5 the unit is configurable only with configurator software.)
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

INSTALLATION

Auxiliary power supply
AC: < 9 VA
DC: < 3 W
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: Surface or DIN rail
Weight: 500 g (1.1 lb)

PERFORMANCE

Accuracy (at 10 - 35°C or 50 - 95°F, 45 – 65 Hz)*1
Add the accuracy of the current sensor for overall values.
  Voltage: ±0.5 % of the rating*2
  Current: ±0.5 % of the rating*2
  Power: ±0.5 % of the rating*2
  Power factor: ±1.5 %
  Frequency: ±0.1 % of the rating*2
  Energy: ±1 %
  Harmonic contents: ±2 % of the rating*2
*1. Sensor error margin not included
*2. The described accuracy levels are ensured at the input 1 % or more for neutral current in a 1-phase/3-wire circuit and phase-S current in an unbalanced 3-phase/3-wire circuit.
Data update period:
  Harmonic contents and frequency: ≤ 1 sec.
  Other: ≤ 500 msec.
Calendar clock: (with battery backup)
 Accuracy: Monthly deviation 3 minutes at 25°C
 Back up period: Approx. 2 years at 25°C without power
 With the power on, no battery drain
 Battery: Primary lithium battery (non-removable)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (current input or voltage input to CC-Link to auxiliary power to FE1)

EXTERNAL VIEW

TERMINAL CONNECTIONS

Use the model CLSE clamp sensor for current inputs.
The figure below shows only one circuit.
A maximum of eight (8) current sensor inputs can be connected (Ch. 1 through Ch. 8).
Grounding is not required for low voltage circuits.

COMMUNICATION CABLE CONNECTIONS

TERMINAL ASSIGNMENTS

EXTERNAL DIMENSIONS unit: mm [inch]

MOUNTING REQUIREMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Caution: FE1 terminal is NOT a protective conductor terminal.