ES-6221 Rev.13
R9MWTU
Remote I/O R9 Series
MULTI POWER MONITORING UNIT
(clamp-on current sensor CLSE, Modbus)
Functions & Features
• Multi Power Monitoring Unit for Modbus
• 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: R9MWTU–2001–AD4[1]
ORDERING INFORMATION
• Code number: R9MWTU-2001-AD4[1]
Specify a code from below for [1].
(e.g. R9MWTU-2001-AD4/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
(Extension unit does not conform to EU directive)
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
blank
: none
/Q
: With options (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-6221)
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)
Modbus
: 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 mm
2
(AWG 22 to 16)
M3.5 screw terminal
: 1.04 to 2.63 mm
2
(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 Modbus 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
MODBUS COMMUNICATION
Communication
: Half-duplex, asynchronous, no procedure
Standard
: Conforms to TIA/EIA-485-A
Transmission distance
: 500 meters max.
Transmission media
: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Protocol
: Modbus - RTU (default) 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, RD, SD, ERR
Terminating resistor
: Built-in (Selected with the DIP SW; factory setting: disabled)
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
: ≤ U
LN
2
/ 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
: < 7 VA
•
DC
: < 1.2 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 Modbus to auxiliary power or FE1)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1, EN 61010-2-201
Measurement Category II (input)
Installation Category II (auxiliary power)
Pollution Degree 2
Input to Modbus: Reinforced insulation (400 V)
Input or Modbus to auxiliary power: Reinforced insulation
(300 V)
RoHS Directive
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
Note: In order to improve EMC performance, bond the FE1 terminal to ground.
Caution: FE1 terminal is NOT a protective conductor terminal.