ES-7803-R Rev.0
R7M-CT4E
Remote I/O R7 Series
MODBUS I/O MODULE
(AC current input, 4 points, isolated, RMS sensing, clamp-on current sensor CLSE use)
Functions & Features
• 4 points AC current I/O module for Modbus
• Extension module can be connected
• Input range can be selected with the front DIP switches for all channels.
• Individual channels, zero adjustment, span adjustment, and scaling can be set with the configurator software (model: R7CON)
MODEL:R7M–CT4E-R[1]
ORDERING INFORMATION
• Code number: R7M-CT4E-R[1]
Specify a code from below for [1].
(e.g. R7M-CT4E-R/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
I/O TYPE
CT4E
: AC current input, 4 points,
clamp-on current sensor CLSE use
POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, 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-7803-R)
RELATED PRODUCTS
• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R7CON)
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.
• Discrete input extension module (model: R7M-EAx)
• Discrete output extension module (model: R7M-ECx)
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 mm
2
(AWG 22 to 16)
Screw terminal
: Nickel-plated steel
Housing material
: Flame-resistant resin (gray)
Isolation
: Input 0 to input 1 to input 2 to input 3 to Modbus or FG to power
Input waveform
RMS sensing
: Up to 15 % of 3rd harmonic content
Zero adjustments
: Configurable via R7CON
Span adjustments
: Configurable via R7CON
Input range
: Selectable with the DIP SW on the front of the unit or configurable via R7CON
Extension:
No extension (*), Discrete input 8 or 16 points, Discrete output 8 or 16 points
Selectable with the front DIP SW
(*) Factory default setting
Conversion rate
: Selectable with the front DIP SW
Status indicator LEDs
: PWR, RUN, ERR, SD, RD
(Refer to the instruction manual)
Configurator connection
: 2.5 dia. miniature jack
■Recommended solderless terminal
MODBUS COMMUNICATION
Standard
: Conforms to TIA/EIA-485-A
Transmission distance
: 500 meters max.
Transmission media
: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Communication parameter:
With Configurator Software (model: R7CON)
• Data Mode
: RTU (default) or ASCII
• Parity:
NONE (default), ODD or EVEN
• Data bit:
8: RTU (default), 7: ASCII
•
Stop bit:
1 or 2 (default)
Baud rate setting
: With rotary switch
38.4 kbps (default), 19.2 kbps, 9600 bps, 4800 bps
Node address setting
: 1 - 99 (with rotary switch) (factory default setting: 00)
INPUT SPECIFICATIONS
Input range (Optional)
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 (*)
(*) Factory setting
Frequency
: 50 / 60 Hz (45 - 65 Hz)
Operational range
: 5 – 115 % of rating (Operational range for the CLSE-60 is limited up to approx. 109 % (65535).)
Overload capacity
: 120 % of rating (continuous)
Note: Use in the circuits below 480 V.
INSTALLATION
Current consumption
•
DC
: Approx. 100 mA
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 (35 mm rail)
Weight
: 200 g (0.44 lb)
PERFORMANCE
Conversion rate / conversion accuracy
:
10 msec./±2.0 %, 20 msec./±1.0 %, 40 msec./±0.5 %,
80 msec./±0.5 % (*)
(*) Factory setting
(The conversion accuracy does not include the accuracy of the sensor)
Data range
: Engineering unit value (A) × 100 (integer)
(For CLSE-R5, engineering unit value (A) × 1000 (integer))
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 1.0 sec. (0 – 90 %)
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 1500 V AC @ 1 minute (input 0 to input 1 to input 2 to input 3 to Modbus or FG to power)
STANDARDS & APPROVALS
Refer to the manuals to comply with the standards.
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EXTERNAL VIEW
COMMUNICATION CABLE CONNECTIONS
TERMINAL ASSIGNMENTS
■ INPUT TERMINAL ASSIGNMENT
MODBUS FUNCTION CODES & SUPPORTED CODES
MODBUS I/O ASSIGNMENT
DATA CONVERSION
■ ENGINEERING UNIT CONVERSION
Integer obtained by multiplying engineering unit value (A) by 100 is represebted in 16-bit.
(For CLSE-R5, integer obtained by multiplying engineering unit value (A) by 1000.)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.