Hardware Manual

Saia-Burgess Controls AG

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Communication interfaces

4

Serial interfaces on socket B(1) or B2 (PCD2 only)

4.6 Serial interfaces: socket B(1) or B2

4.6.1 RS 485 with PCD2.F520 (PCD2 only)

PCD2.F520:

1 × RS 232 with RTS / CTS and

1 × RS 485 electrically connected

or

1 × RS 232 with RTS / CTS and

1 × RS 422 without RTS / CTS

for socket B(1) or B2

RS 485: socket B(1), Port #3

39

38

37

36

35

34

33

32

31

30

PCD2.F520

J1

OPEN CLOSED

39

38

37

36

34

33

32

31

PGND

RX-TX

/RX-/TX

PGND

RX-TX

/RX-/TX

Bus RS 485

Port #2RS 232

Port #3RS 485

Screw terminal block,

Peripheral Cable socket B/B1

Bus RS 485

GND

Socket B(1)

RS 485: socket B2, Port #5 (M170 / M480 only)

40

41

42

43

44

45

46

47

48

49

Port # 5RS 485

Port # 4RS 232

PCD2.F520

Screw

terminal block,

socket B2

41

42

43

44

46

47

48

49

Cable

PGND SGND

/RX-/TX

RX-TX

/RX-/TX

RX-TX

PCD2.M170/M480

Peripheral

Bus RS 485

GND

Bus RS 485

Socket B2