MODEL: R3-PT4
Remote I/O R3 Series

GENERAL SPECIFICATIONSConnection
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 internalbus 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 %AC VOLTAGE INPUT MODULE(4 points, isolated, true RMS sensing)
27.5 [1.08]

130[5.12]

109[4.29]

mm [inch]

MODEL: R3-PT4[1][2]ORDERING INFORMATION• Code number: R3-PT4[1][2]Specify a code from below for each of [1] and [2].
(e.g. R3-PT4W/H/Q)• Specify the specification for option code /Q(e.g. /C01/SET)INPUT SPECIFICATIONS
Input: 0 – 250 V AC, 0 – 50 V AC,
Frequency: 45 – 65 Hz(200 Hz – 1.2 kHz with Option /H)
Input burden: ≤1 VA
Overload capacity: 200 % of rating for 1 minute, 120 %continuous
Operational range: 0 – 115 % of rating

NO. OF CHANNELS
4: 4[1] COMMUNICATION MODE
S: Single
W: Dual

INSTALLATION[2] OPTIONS (multiple selections)
Frequency
blank: 45 - 65 Hz/H: 200 Hz – 1.2 kHzOther Options
blank: none
/Q: Option other than the above (specify the specification)

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)

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-8398)

R3-PT4 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-8398 Rev.8 Page 1/3

MODEL: R3-PT4PERFORMANCE
Conversion accuracy: Refer to the table at the end of thissection.
Conversion rate: 80 / 40 / 20 / 10 msec. selectable
Data range: 0 – 10000 of the input range
Data allocation: 4Current 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 input2 to input 3 to input 4 to internal bus or internal power)2000 V AC @ 1 minute (power input to FG; isolated on thepower supply module)
CONVERSION ACCURACY
RATE
ACCURACY

80ms
±0.5%

40ms
±0.5%

20ms
±1.0%

10ms
±2.0%

EXTERNAL VIEW
■ SIDE VIEW

■ FRONT VIEW
RUN LED
12

ERR LED

3Functions

4SW3432
156
7

SW2Conv.
Rate
ON898765432
1SW187654321ONRange
Input 2 (SW1)orInput 4 (SW2)
Input 1 (SW1)orInput 3 (SW2)

ON10EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
27.5 [1.08]

109 [4.29]
POSITIONING
GUIDE

130 [5.12]

7.9[.31]1234510–M3.5SCREW

678910TERMINAL
COVER

R3-PT4 SPECIFICATIONS

MG CO., LTD.
www.mgco.jpES-8398 Rev.8 Page 2/3

MODEL: R3-PT4
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
RUN LED ERR LED DIP SW

INPUT 1Vv

Input Circuit
Communication
Circuit

34Control
CircuitLOAD
SOURCEFUSE U VT u
INPUT 2Vv

Input Circuit

BUS CONNECTO RSOURCEFUSE U VT u5162INTERNAL BUS A
INTERNAL BUS B*

INTERNAL POWERLOAD
SOURCEFUSE U VT u
INPUT 3Vv

Input Circuit

78LOADSOURCEFUSE U VT u
INPUT 4Vv

Input Circuit

910LOAD*For dual redundant communication.

Specifications are subject to change without notice.

R3-PT4 SPECIFICATIONS

MG CO., LTD.
www.mgco.jp

ES-8398 Rev.8 Page 3/3