MODEL: MRP4

MRP4 SPECIFICATIONS

ES-4824 Rev.13 Page 2/6

http://www.m-system.co.jp/

(other terminal box types)

(torque 0.5 N·m)

Housing material: Diecast aluminum

Drive: Stepping motor

Insulation class: E

Position detection: Potentiometer

Deadband: 0.1 – 4.5 % adjustable (factory set to 1.5 %)

Restarting timer: 0 – 10 sec. adjustable

(factory set to 1.5 sec.)

Isolation: AC power to signal

Zero adjustment: 0 – 25 %

Span adjustment: 50 - 100 %

Protective functions: Overload protection

Power indicator: Green LED turns on with power supplied.

Input indicator: Green LED turns on with normal input

Status indicator LED: Red light blinks in 2 sec. intervals in

normal operations; blinks in 0.5 sec. intervals when a

foreign object is detected mechanically caught inside.

Manual operating handle: Not available

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated (250 Ω)

■ DC Voltage: 1 – 5 V DC or specific range within 0 – 5 V

DC, minimum span 1 V

(For a current input, convert the current to a voltage with

250 Ω)

Input resistance: Approx. 1 MΩ

■ Forced open/close signal:

Dry contact inputs to command clockwise and

counterclockwise turns

Rating: 5 V DC @ 2.5 mA

OUTPUT SPECIFICATIONS

■ Operation Time & Torque (at rated power voltage)

MRP4-x4: 7 sec. / 90°; torque 5 N·m (3.69 ft·lbf)

MRP4-x5: 13 sec. / 90°; torque 5 N·m (3.69 ft·lbf)

■ DC Voltage: 1 – 5 V DC (not isolated)

With “direct” action, 5 – 1 V DC position output is provided

proportionally to 4 – 20 mA DC (1 – 5 V DC) input.

Load resistance: ≥ 5 kΩ

■ Full-open / -closed signals: Limit switch contact

Rating: 125 V AC @ 0.75 A (cos ø = 1)

30 V DC @ 0.6 A (resistive load)

Maximum operation frequency: 60 cycles/min.

■ Full-Closed/Overload Signal: Relay contact

Full-closed signal trips at approx. 2 % of span.

Rating: 250 V AC @ 1 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

INSTALLATION

Power consumption

•AC: Approx. 25 VA

•DC: Approx. 0.6 A

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 85 %RH (non-condensing)

Mounting position: All directions

Do not mount the actuator with its output stem or cable

connector on the upside if the actuator is to be exposed to

dripping water.

Weight

DC powered: 1.1 kg (2.43 lb)

AC powered: 1.3 kg (2.87 lb)

Add 0.7 kg (1.54 lb) for the terminal box.

PERFORMANCE

Resolution: 1/1000 or 0.09°, whichever is greater, with 0.1

% deadband setting

Insulation resistance

•AC powered: ≥ 100 MΩ with 500 V DC

(signal or metallic housing to power)

≥ 100 MΩ with 100 V DC

(signal to metallic housing)

•DC powered: ≥ 100 MΩ with 100 V DC

(signal or power to metallic housing)

Dielectric strength

•AC powered: 1500 V AC @ 1 minute

(signal or metallic housing to power)

100 V AC @ 1 minute

(signal to metallic housing)

•DC powered: 100 V AC @ 1 minute

(signal or power to metallic housing)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

Low Voltage Directive

EN 61010-1

Measurement Category II (Full-open/-closed signal)

Pollution Degree 2

Full-open/-closed signal to other, power or metallic

housing: Reinforced insulation (125 V)

RoHS Directive

EN 50581