R5T-CTA AC CURRENT INPUT MODULE

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ES-7554 Rev.4

R5T-CTA

Remote I/O R5 Series

AC CURRENT INPUT MODULE

(clamp-on current sensor type CLSA use;
screw terminal block; true RMS sensing)

MODEL: R5T-CTA[1][2][3]

ORDERING INFORMATION

Code number: R5T-CTA[1][2][3]
Specify a code from below for each of [1] through [3].
(e.g. R5T-CTA2W/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)

[1] NO. OF CHANNELS

1: 1 channel
2: 2 channels

[2] COMMUNICATION MODE

S: Single
W: Dual

[3] 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
TERMINAL SCREW MATERIAL
/S01: Stainless steel

RELATED PRODUCTS

•Clamp-on current sensor (model: CLSA-08)
•Clamp-on current sensor (model: CLSA-12)
•Clamp-on current sensor (model: CLSA-30)
•Clamp-on current sensor (model: CLSA-50)
•Special cable (model: CLSA-08C)
The clamp-on current sensor, not included in the product package, must be ordered separately.
Refer to the data sheet for the sensor for more information such as applicable wire diameter.

GENERAL SPECIFICATIONS

Connection
  Internal bus: Via the Installation Base (model: R5-BS)
  Input: M3.5 screw terminal block (torque 0.8 N·m)
  Internal power: Via the base (model: R5-BS)
Screw terminal: Nickel-plated steel (standard) or stainless steel
Isolation: Input 1 to input 2 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
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.
Low-end cutout: Converted as 0 % for the input below 2 %

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz
Operational range: 5 – 115 % of rating
Max. working voltage: 440 V AC (primary side)
Sensor & range:
CLSA-08: 0 – 80 A AC
CLSA-12: 0 – 120 A AC
CLSA-30: 0 – 300 A AC
CLSA-50: 0 - 500 A AC

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: R5-BS)
Weight: 110 g (0.24 lb)

PERFORMANCE

Conversion accuracy: ±0.5 % (at 5 – 100 % input) except the sensor accuracy
Data range: Engineering unit value × 100 (binary without sign)
Data allocation: 1 (2 for 2-channel type)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
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 internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)