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

PCD7.F180

4.5.6 MP-Bus with PCD7.F180, Port #1 (without PCD1.M110)

PCD7.F180:

Connecting module for MP-Bus, for socket A

The user has a facility to connect an MP-Bus line with 8 drives

and sensors.

Connections

10

11

12

13

14

15

16

17

18

19 19

18

17

16

14

13

12

11

PCD7.F180

Socket A

A COM

,MST’

,IN’

GND

Screw terminal block, socket A

MP-Bus signal line (18 V in/out)

MST programming unit (MP-Bus internal)

MST programming unit detection (input 10 kΩ, Z5V1)

Earth connection, MST programming unit

GND (Branch A–)

• GND

Supply option

Common supply for control and drive

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When using the PCD7.F180 connection module, the supply voltage to the PC control unit

must be at least 24 VDC, ±5 % (not the default tolerance of ±20 %).

With a separate DC or AC supply to the drives, it is especially important to ensure that the

PCD control unit is connected to the earth (Minus pole) of the drive supply. The earth serves

as a common base for communication.

For details, see Technical Information P+P26 / 342

“MP-Bus interface for BELIMO actuating drives”