MODEL: 27R

27R SPECIFICATIONS

ES-7654 Rev.9 Page 4/4

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

*2. Option /M

*3. Limited to 250 – 500Ω when using the communication to configure the module.

*4. A safety barrier must be installed for the intrinsic safety.

The safety barrier must meet the Ex-data of this unit and must be approved for the hazardous location.

4

2

3

1

Output

Driver

Output

Computation

Input

Computation

Comm.

Circuit

Low Drift

Amplifier

INPUT

*1. Input Connection Examples

■ RTD & RESISTANCE

• Two-wire

• Three-wire

• Four-wire

FUNCTION

MONITOR

LED

+

–

LOAD

OUTPUT

24V DC

4 – 20mA DC

Non-Hazardous Location

Hazardous Location

Safety Barrier

4

3

2

1

B

A

4

3

2

1

B

B

A

4

3

2

1

B

B

A

A

Specifications are subject to change without notice.