MODEL: 47LPQ

47LPQ SPECIFICATIONS

ES-9516 Rev.14 Page 7/8

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

8V

5kΩ

COM

3

4

5

1

2

Short

Inductive

Load (Coil)

Varistor or Spark

Quenching Circuit

LOAD

Inductive

Load (Coil)

LOAD

Diode, Varistor or

CR Circuit

9

10

POWER

U(+)

V(–)

• DC Powered

■ Relay Protection

• AC Powered

■ Input Connection Example

• Open Collector or Mechanical Contact

17

15

16

■ ALARM OUTPUT CODE 1: N.O. contact, 4 points

Ry

20

18

19

Ry

Ry

Ry

9

10

POWER

U(+)

Lc (COM)

Lb (NC)

La (NO)

Hc (COM)

Hb (NC)

Ha (NO)

V(–)

17

15

16

■ ALARM OUTPUT CODE 2: SPDT contact, 2 points

Ry

Ry

20

18

19

Lc, LLc

LLa

La

Hc, HHc

Ha

HHa

LL OUTPUT

L OUTPUT

H OUTPUT

L OUTPUT

H OUTPUT

HH OUTPUT

9

10

POWER

U(+)

V(–)

■ ALARM OUTPUT CODE 0: No alarm output

Digital

Computation

Display /

Setting

Control

Input

Sensor

Excitation

1/100

Scaler

Input

Circuit

1

3

2

5

6

4

DC OUTPUT

7

8

+

–

Isolation

Output

Driver

Digital

Computation

6

11

12

13

14

DC OUTPUT

7

8

+

–

Isolation

Output

Driver

Digital

Computation

6

11

12

13

14

DC OUTPUT

7

8

+

–

Isolation

Output

Driver

Note 1: The section enclosed by broken line is only with DC output option.

Note 2: Chattering input signals cannot be measured accurately.

Add a capacitor (10000 pF) or similar devices to the input terminals to eliminate

the input signals’ instability.

EXC+

OC JP

INP+

COM

–

DI+

1

1

Control

Input

Sensor

Excitation

1/100

Scaler

Input

Circuit

3

2

5

4

Control

Input

Sensor

Excitation

1/100

Scaler

Input

Circuit

3

2

5

4

*1. Close across the terminals for open collector or mechanical contact. Refer to the figure below.

SENSOR EXCITATION

INPUT

CONTROL INPUT

SHORT- CIRCUIT*

1

EXC+

OC JP

INP+

COM

–

DI+

SENSOR EXCITATION

INPUT

CONTROL INPUT

SHORT- CIRCUIT*

1

EXC+

OC JP

INP+

COM

–

DI+

SENSOR EXCITATION

INPUT

CONTROL INPUT

SHORT- CIRCUIT*

1

U

*

2

*

2

*

2

*2. For detailed connection of CONTROL INPUT, refer to the operating manual (EM-9516-B).