ES-8392 Rev.11
R3-CT4
Remote I/O R3 Series
CT INPUT MODULE
(4 points, isolated, true RMS sensing)
MODEL: R3-CT4[1][2]
ORDERING INFORMATION
• Code number: R3-CT4[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-CT4W/H/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
NO. OF CHANNELS
4
: 4
[1] COMMUNICATION MODE
S
: Single
W
: Dual
[2] OPTIONS (multiple selections)
Frequency
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: 45 - 65 Hz
/H
: 200 Hz – 1.2 kHz
Standards & Approvals
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: Without CE
/CE
: CE marking
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-8392)
GENERAL SPECIFICATIONS
Connection
Internal bus
: Via the Installation Base (model: R3-BSx)
Input
: M3.5 screw terminals (torque 0.8 N·m)
Internal power
: Via the Installation Base (model: R3-BSx)
Screw terminal
: Nickel-plated steel
Isolation
: Input 1 to input 2 to input 3 to input 4 to internal bus or internal power
Input waveform
RMS sensing
: Up to 15 % of 3rd harmonic content
Input range
: Selectable with the side DIP SW
Conversion rate
: Selectable with the side DIP SW
RUN indicator
: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator
: Bi-color (red/green) LED;
Red with input abnormality;
Green in normal operating conditions.
Low-end cutout
: Converted as 0 % for the input below 2 %
INPUT SPECIFICATIONS
Input
: 0 – 5 A AC, 0 – 1 A AC
Frequency
: 45 – 65 Hz
(200 Hz – 1.2 kHz with Option /H)
Input burden
: ≤ 0.5 VA (input 0 – 5 A)
≤ 0.1 VA (input 0 – 1 A)
Overload capacity
: 200 % for 1 minute, 120 % continuous
Operational range
: 5 – 115 % of rating
INSTALLATION
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
: Installation Base (model: R3-BSx)
Weight
: 200 g (0.44 lb)
PERFORMANCE
Conversion accuracy
: Refer to the table at the end of this section.
Conversion rate
: 80 / 40 / 20 / 10 msec. selectable
Data range
: 0 – 10000 of the input range
Data allocation
: 4
Current consumption
: 60 mA
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Input response time
: ≤ 0.5 sec. (0 – 90 %)
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 1500 V AC @ 1 minute (input 1 to input 2 to input 3 to input 4 to internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM