Lauda P 10, Руководство по эксплуатации

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With hardware handshake: When connecting a thermostat to the PC, use a
1:1 cable (not a null modem cable). The RS 232 interface can be connected
directly to the PC using a 1:1 contacted cable.
Without hardware handshake: Set the corresponding operation mode on the
PC.
Note the following instructions:

Use protected connection lines.

Connect the protective screen with the connector shell.

The lines are galvanically separated from the rest of the electronics.

Do not connect unassigned pins.
It is easy to check the RS 232 interface when it is connected to a PC with a
Microsoft Windows operating system.

For Windows ® 3.11 with the program "Terminal".

For Windows ® 95/98/NT/XP with the program "HyperTerminal".
For the operating systems Windows Vista, Windows 7, and Windows 8,
"HyperTerminal" is no longer part of the operating system.

Terminal programs are available for download from the Internet for free.
These programs offer features similar to "HyperTerminal" (for example
PuTTY or RealTerm). Search query "serial port terminal program".
4.3.2 Protocol RS 232
Note the following instructions:

Connection to SUB-D socket 9-pin

The interface works with 1 stop bit, without a parity bit and with 8 data
bits.

Transmission speed alternately: 2400, 4800, 9600 (factory setting) or
19200 bauds.

The RS 232 interface can be operated with AND without hardware
handshake (RTS/CTS). In order to do so, Pin 4 (DSR) and Pin 6 (DTR)
and Pin 7 (CTS) and Pin 8 (RTS) must be connected with a bridge.

The command from the computer must be made with a CR, CRLF, or
LFCR.

The response from the thermostat is always made with a CRLF.

After each command sent to the thermostat, it is necessary to wait
for the reply before sending another command. This ensures that the
sequencing of inquiries and answers is clear.
CR = Carriage Return (Hex: 0D); LF = Line Feed (Hex: 0A)
Table 5: Example for set value transfer from 30.5 °C to the thermostat.
Computer Thermostat
"OUT_SP_00_30.5"CRLF
ð
ï
"OK"CRLF
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