Proline Edition X heating thermostats
90
Interface modules
10/9/2018
8.3
RS-232/485 Serial interface
RS-232/485 interface module (catalogue no. LRZ 913) with 9-pole SUB-D socket. Electrically isolated
by optocoupler. With the LAUDA instruction set essentially compatible to the ECO, Ecoline, Integral XT
and Integral T Series. The RS-232 interface can be connected directly to the PC with a 1:1 through-
contact cable (catalogue no. EKS 037).
8.3.1 Connecting cables and interface test RS-232
Computer
Thermostat
Signal
9-pin sub-D-socket
25-pin sub-D-socket
9-pin sub-D-socket
Signal
R x D
2
2
3
3
2
2
T x D
T x D
3
3
2
2
3
3
R x D
DTR
4
20
4
DSR
Signal Ground
5
5
7
7
5
5
Signal Ground
DSR
6
6
6
DTR
RTS
7
4
7
CTS
CTS
8
5
8
RTS
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-
ware ha
ndshake”.
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!
When a PC is connected up the RS-232 interface can easily be
tested
using the Microsoft Windows
operating system. On Windows
®
3.11 with the “Terminal” program, on Windows
®
95/ 98/ NT/ XP with
the “Hyper Terminal” program.
"HyperTerminal" is no longer included in the operating system in Windows Vista, Windows 7 and Win-
dows 8.
It is possible to communicate with the RS-232-interface using the LAUDA control and applica-
tion 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".
Summary of Contents for PROLINE Edition X P 12 C
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