MODEL: M8SED

M8SED SPECIFICATIONS

ES-5488 Rev.8 Page 1/3

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

Dual Output Super-mini Signal Conditioners Pico-M Series

DC ALARM

(thumbwheel switch adjustment)

Functions & Features

• Providing relay outputs at preset DC input levels

• Dual (Hi/Lo) trip

• Thumbwheel switch setpoint adjustments

• Space-saving, easy-to-maintain, multi-channel installation

base

3 1

4 4

MODEL: M8SED-[1][2][3]-R[4]

ORDERING INFORMATION

• Code number: M8SED-[1][2][3]-R[4]

Specify a code from below for each of [1] through [4].

(e.g. M8SED-A12-R/Q)

• Specify the specification for option code /Q

(e.g. /C01 )

[1] INPUT

Current

A: 4 – 20 mA DC (Input resistance 250 Ω)

Voltage

4: 0 – 10 V DC (Input resistance 1 MΩ min.)

5: 0 – 5 V DC (Input resistance 1 MΩ min.)

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[2] OUTPUT 1

1: Hi trip (ON = tripped; OFF = untripped or no power)

2: Hi trip (OFF = tripped; ON = untripped or no power)

[3] OUTPUT2

1: Lo trip (ON = tripped; OFF = untripped or no power)

2: Lo trip (OFF = tripped; ON = untripped or no power)

POWER INPUT

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[4] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

RELATED PRODUCTS

• Installation Base or Single Mount Base Socket (model:

M8BSx)

This unit must be mounted on dedicated base or socket

except Model M8BS2 base.

GENERAL SPECIFICATIONS

Construction: Plug-in

Mounting screw: M3 screw (torque 0.3 N·m)

Housing material: Flame-resistant resin (black)

Power supply: Via the Installation Base terminals

(model: M8BSx)

Isolation: Input to output 1 to output 2 to power

Setpoint adjustments: Thumbwheel switches (front);

0 – 99 % independently; 1 % increments;

(factory setting: 50 %)

Hysteresis (deadband): Approx. 1 %

Front LEDs: Red LED turns on when the coil for Hi output is

energized.

Green LED turns on when the coil for Lo output is energized.

Power ON timer: Relays de-energized for approx. 2 seconds

after power is turned on.

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

OUTPUT SPECIFICATIONS

• Relay Contact: 125 V AC @0.2 A (cos ø = 1) *

30 V DC @0.5 A (resistive load) *

Maximum switching voltage: 125 V AC or 60 V DC

Maximum switching power: 25 VA or 15 W

Minimum load: 100 mV DC @100 μA

* When used with a multi-channel installation base (e.g.

M8BS-16), the ratings derated as following.

Terminal block type: 125 V AC @0.2 A, 30 V DC @0.25 A

Cable connector type: 24 V AC @50 mA, 24 V DC @50mA