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Interface modules
28.04.10/ YACE0088
8.4.4
RS 485 protocol
−
The interface operates with one stop bit, no parity bit and with eight data bits.
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Transfer speed alternatively: 2400, 4800, 9600 (factor setting) or 19200 baud.
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The device address always precedes the RS 485 commands. Up to 127 ad-
dresses are possible. The address must always consist of three figures
(A000_... to A127_...).
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The command from the computer must be terminated with a CR.
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The response from the thermostat is always terminated with a CR.
CR = Carriage Return (Hex: 0D)
Example:
Set-value transfer of 30.5 °C to the thermostat with address 15.
Computer
Thermostat
„A015_OUT_SP_00_30.5“CR
Ö
Õ
„A015_OK“CR
Summary of Contents for RE 1050 G
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