Saia-Burgess Controls AG
User Manual PCD2.M4x60 │
Document 27-648
│ Edition ENG06 │ 2020-10-21
On-board
System overview
4-2
4
4.1
X1 – USB Device
USB device (V1.1) on type ‘B’ connector.
4.2
X2 – Isolated RS-485 / MPI
SUBD 9p connector
9
6
1
5
S-Net
/
MPI
/
RS-485
D-Sub
pin
signal
Explanation
1
PGND
GND
2
GND
0 V of 24 V supply
3
RxD/TxD-P
1
) B (red)
Receive / transmit data positive
4
RTS/CNTR-P
Control signal for repeater
(direction control)
5
SGND
1
)
Date communication potential
(earth to 5 V)
6
+5V
1
)
Supply voltage to P line termination
resistors
7
MPI24V
Output voltage plus 24 V
8
RxD/TxD-N
1
) A (green)
Receive/send data negative
9
not used
1) For Profibus mandatory signals (must be provided by the user). Specially the both signals SGND and
+5V are provided by the PCD, if the Profibus configuration is correct.
4.3
X3 – I/O Extension port
SUBD 26p for I/O Bus extension plug PCD2.K010 or
extension cables PCD2.K106.
Only the I/O extensions with integrated power supply are compatible
(PCD2.C1000, PCD2.C2000, PCD3.C200)
