Serial Interface Rs 232/485; Connecting Cables And Interface Test Rs 232 - Lauda PROLINE Kryomats RP 4050 C Operation Manual

8.3

Serial interface RS 232/485

RS 232/485 Interface Module (order no. LRZ 913) with 9-pole SUB-D socket. Electrically isolated by optocoupler.
With the LAUDA instruction set essentially compatible to the Ecoline and Integral Series. The RS 232 interface can
be connected directly to the PC with a 1:1 through-contact cable (order no. EKS 037).

8.3.1 Connecting cables and interface test RS 232

Signal
R x D
T x D
DTR
Signal Ground
DSR
RTS
CTS
 with hardware handshake: For connecting a thermostat to the PC use 1:1 cable and not a null- modem cable!
 without hardware handshake: the computer / PC must be set to the operating mode "without hard
handshake".

When a PC is connected up the RS 232 interface can easily be tested using the Microsoft Windows
operating system. On Windows
"HyperTerminal" is no longer included in the later Windows operating systems.
It is possible to communicate with the RS 232-interface using the LAUDA control and application software,

Wintherm Plus (catalog number LDSM2002).
 Terminal programs are available on the Internet as freeware. These programs offer features similar to
"HyperTerminal" (for example PuTTY). Search query "serial port terminal program".
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Computer
9-pin sub-D-socket
 
2 2
3 3
4
5 5
6
7
8
 Use screened connecting cable.
 Connect screen to connector case.
 The connections are galvanically isolated from the rest of the electronics.
 Any pins not in use must not be connected!
®
95/ 98/ NT/ XP with the "HyperTerminal" program.
Proline Kryomats
25-pin sub-D-socket
 
3 3
2 2
20
7 7
6
4
5
Thermostat
9-pin sub-D-socket
 
2 2
3 3
4
5 5
6
7
8
03/2022
Signal
T x D
R x D
DSR
Signal Ground
DTR
CTS
RTS
ware