1 Characteristics

PCLT-2A

2/18

1

Characteristics

1.1

IEC61000-4 standard compliance application diagrams

Figure 1.

Isolated digital input diagram with opto-coupler driving output

Figure 2.

Un-isolated digital input diagram with programmable CMOS output

PCLT-2A

3 wires sensor

2 wires sensor

R

I

R

I

R

C

V

IN

V

I

V

CC

V

C

R

REF

Reverse polarity

1N4007

C

I

C

I

C

C

IN

1

COM

P

IN

2

V

C

REF

OUT

1

OUT

2

COM

S

LED

2

LED

1

MOD

PCLT-2A

3 wires sensor

2 wires sensor

R

I

R

I

R

C

V

IN

V

I

V

CC

V

C

R

REF

Reverse polarity

1N4007

C

I

C

I

C

C

IN

1

COM

P

IN

2

V

C

REF

OUT

1

OUT

2

COM

S

LED

2

LED

1

MOD

IN

1

COM

P

IN

2

V

C

REF

OUT

1

OUT

2

COM

S

LED

2

LED

1

MOD

BUS

CONTROLLER

GND

5V

SUPPLY

Supply voltage

protection

SM15T39

3 wires sensor

2 wires sensor

Reverse polarity

1N4007

REF

MOD

PCLT-2A

BUS

CONTROLLER

GND

5V

SUPPLY

BUS

CONTROLLER

GND

5V

SUPPLY

Supply voltage

protection

SM15T39

3 wires sensor

2 wires sensor

Reverse polarity

1N4007

Supply voltage

protection

SM15T39

3 wires sensor

2 wires sensor

Reverse polarity

1N4007

REF

MOD

PCLT-2A

REF

MOD

PCLT-2A