Serial Interface
60
HAAKE Phoenix II P1
Version 3.07
19. RS232C Interface
The following circulator functions can be controlled by a
computer via the interfaces:
•
Setting the desired set temperature, the upper and
lower limit temperatures and correction factor is pos-
sible;
•
the actual temperature can be read off;
•
the circulator can be reset, started or stopped;
•
any fault messages can also be displayed.
The RS232C interface uses separate lines for sending and
receiving data.
19.1 Connecting to a computer
19.1.1 PC with an RS232C interface
The pin assignment required when connecting the cir-
culator to a computer via a
9-pin
socket is as follows:
3
2
7
8
5
RxD(Received Data)
TxD(Transmitted Data)
CTS(Clear to Send)
RTS(Request to Send)
Signal ground
Circulator
3
2
7
8
5
Cable (9-pin to 9-pin)
9 pin socket
3
2
7
8
5
TxD
RxD
RTS
CTS
Computer
9 pin socket
3
2
7
8
5
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