MODEL: 18AR

18AR SPECIFICATIONS

ES-1764 Rev.5 Page 4/4

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Comparator

OUTPUT

5

SETPOINT ADJ.

POWER

HI / LO

Output

*

Ry

8

H

COM

6

■ SINGLE ALARM

*Relay status is determined by output codes.

Comparator

LO OUTPUT

5

SETPOINT ADJ.

POWER

Ry

8

6

7

■ DUAL ALARM

*

*

*

Comparator

SETPOINT ADJ.

Ry

HI OUTPUT

LOAD

Inductive

Load (Coil)

Varistor or Spark

Quenching Circuit

•DC Powered

LOAD

Inductive

Load (Coil)

Diode, Varistor or

CR Circuit

■ Relay Protection

•AC Powered

4

Burnout

1

2

A

B

B

RTD

3

2mA

2mA

Differential

Amplifier

+

–

Reference

Resistor

4

Burnout

1

2

A

B

B

RTD

3

2mA

2mA

Differential

Amplifier

+

–

Reference

Resistor

U

Specifications are subject to change without notice.