Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Communication interfaces
5
5-4
Onboard interfaces
5.3.2 PGU connection (PORT # 0) (RS-232) as communication interface
When commissioning
/
programming are complete, the port can be used for other
purposes.
Option 1:
Configuration with desired protocol
(S-Bus PGU configuration)
Option 2:
Assignment (SASI) in the user program
(the port must not be configured as an S-Bus PGU port)
■ If another programming device is connected during operation
instead of the peripheral device, the unit will switch over
automatically to PGU mode (pin 6 logical "1" (DSR); in PGU
mode: DSR PING = “1”).
■ Before using the port to connect another peripheral device, Port
0 must be reconfigured by means of an SASI instruction.
2
1
4
3
6
5
8
7
9
GND
SGN
TX
RX
RTS
1)
CTS
1)
CTS
RTS
TXD
RXD
DCD
PGD
PGU-Plug
D-SUB 9 pol.
(female)
Peripheral
Cable
+5V
(just for PGU)
1)
When communicating with terminals, check whether some connections are
equipped with bridges or need to be set with the "SOCL" command to "1" or "0". It
is generally recommended to use a handshake (RTS
/
CTS).