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Saia-Burgess Controls AG
Hardware manual for PCD3 series │ Document 26-789 ENG19│ 2018-06-29
Communication interfaces
5-6
Onboard interfaces
5
5.3.2
RS-232 connector (port 0) as communication interface and
as programmer connection (only PCD3.M5xx0 / M6xx0)
This interface is routed to a 9-pin D-sub connector
(female) and is of type RS-232.
5560
S-Net / MPI
Saia PCD3.M
PCD3.M5xx0
PCD3.M6xx0
5
4
3
2
1
9
8
7
6
RS-232
/ PGU
Port 0
D-Sub
pin
Signal
Meaning
1
DCD
Data carrier detect
Data carrier detected
2
RXD
Receive data
Receive data
3
TXD
Transmit data
Send data
4
DTR
Data terminal ready
Terminal ready
5
GND
Signal ground
Signal ground
6
DSR
PGU Connected
PGU detection
7
RTS
Request to send
Start up transmitter
8
CTS
Clear to send
Ready to send
9
n.c.
not connected
---
Port 0
Port 10
1)
Obligatory signals (it is imperative that the user makes this available)
2)
The signal is provided by the controller
The interface can be used for the following purposes:
(see next page)