G3PF

3

Connection

■ Connection Example

G3PF-

225B

DC24V

1

2

INPUT

3

4

ALM

5

6

MADE IN JAPAN

1

2

3

4

5

6

L1

T1

Heater

30 VDC min.

24 VDC

12 to 24 VDC

Input for Relay, PLC (See note.)

Voltage output for Temperature Controller, PLC

Heater

L1

T1

+24 V (1)

−24 V (2)

INPUT

+ (3)

INPUT

− (4)

ALM

+ (5)

ALM

− (6)

G3PF

24 VDC

COM

IN1

IN2

Output device

(NPN transistor output)

Input device

(positive common example)

Heater

L1

T1

G3PF

24 VDC

COM

IN1

IN2

Output device

(PNP transistor output)

Input device

(negative common example)

+24 V (1)

−24 V (2)

INPUT

+ (3)

INPUT

− (4)

ALM

+ (5)

ALM

− (6)

Controlled by PNP Transistor

Controlled by NPN Transistor

Note: With inductive loads (relay coil, etc.), connect back-current prevention diodes to both sides of the load.

G3PF-

@@@B

G3PF-

225B-CTB

DC24V

1

2

INPUT

3

4

7

8

MADE IN JAPAN

1

2

3

4

5

7

8

6

L1

T1

ALM

(OPEN)

ALM

(SHORT)

5

6

Heater

30 VDC min.

24 VDC

12 to 24 VDC

Input for Relay, PLC (See note.)

Input for Relay, PLC (See note.)

Voltage output for Temperature Controller, PLC

30 VDC min.

Heater

L1

T1

ALM

+ (5)

(Heater burnout)

ALM

+ (7)

(SSR short-circuit)

ALM

− (6)

ALM

− (8)

ALM

+ (5)

(Heater burnout)

ALM

+ (7)

(SSR short-circuit)

ALM

− (6)

ALM

− (8)

COM

IN1

IN2

Heater

L1

T1

COM

IN1

IN2

T1

+24 V (1)

−24 V (2)

INPUT

+ (3)

INPUT

− (4)

G3PF

24 VDC

Output device

(NPN transistor output)

Input device

(positive common example)

G3PF

24 VDC

Output device

(PNP transistor output)

Input device

(negative common example)

+24 V (1)

−24 V (2)

INPUT

+ (3)

INPUT

− (4)

Controlled by PNP Transistor

Controlled by NPN Transistor

Note: With inductive loads (relay coil, etc.), connect back-current prevention diodes to both sides of the load.

Terminals 5-6 output a heater burnout alarm, and terminals 7-8 output an SSR short-circuit failure

alarm.

G3PF-

@@@B-CTB, G3PF-@@@B-STB