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
blank: 45 - 65 Hz
/H: 200 Hz – 1.2 kHz
Standards & Approvals
blank: 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