Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Saia-Burgess
Controls Ltd.
Expansion housings
PCD3.Mxxx0 Classic CPUs and expansion housings
3-36
3
3.19.5 Connections to PCD3.T76x RIO head station for 4 modules
Meaning of connections
Profibus-DP or Profi-S-Net network connection
The bus is set up for baud
rates up to 1.5 Mbps. More
detailed specifications can
be found in manual 26/765
“Profibus-DP”.
RS232 serial interface
This connection supports
configuration with a browser
such as Internet Explorer or
Netscape Navigator (with PCD3.
K225 connecting cable).
Expansion connection
This connection allows the RIO
to be expanded with up to 3 LIO
module holders (with PCD3.
K010 connector). This means
that up to 256 I/Os can be set up
per RIO.
1
PGND
2
GND
3
B = RxD / TxD-P
4
CNTR-P
5
SGND
6
+5V ext
7
24VDC
8
A = RxD / TxD-N
9
NC
1
TXD
2
RTS
3
RXD
4
CTS
5
PGND
6
DSR
1 3 5
2 4 6
F rontview
F rontview
1
2
3
4
5
6
7
8
O P E N
Run
BF
Diag
1 3 5
2 4 6
0V+24V
Power
PCD3.T76_
RS232
PROFIBUS
Supply 24VDC
DIP Switch for PROFI-
BUS address
Bus connection
to PCD3.LIO's
Ground
Power ok
Status LED's