If the device was switched to standby via auto shutdown and auto start has
not been configured, the device can be switched on again manually.
1.
Press the Enter key to switch the device back on.
This function is only available if auto start is not active.
6.7 RS 232 interface
6.7.1 Configuring the RS 232 interface
The baud rate for the RS 232 interface can be configured via the display.
Personnel:
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Operating personnel
1.
Select the menu item for configuration of the RS 232 interface.
2.
Select the desired baud rate.
The following baud rates can be selected:
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2.4
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4.8
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9.6
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19.2
The hundreds and thousands digits are not shown in the
display.
3.
Press the input button to confirm.
Your entry is automatically accepted after approx. 4 seconds.
6.7.2 Protocol
Please note the following:
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The interface works with 1 stop bit, without a parity bit and with 8 data
bits.
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Transmission speed alternately: 2400, 4800, 9600 (factory setting) or
19200 bauds.
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The RS 232 interface can be operated with or without hardware hand-
shake (RTS/CTS).
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The command from the computer must be made with a CR, CRLF, or
LFCR.
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The response from the thermostat is always made with a CRLF.
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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)
Switching on again manually
Fig. 19: RS 232 interface
Protocol RS 232
V07
Microcool
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