4.4.4 Protocol of the interface
Note the following instructions:
The command from the computer must be made with a CR, CRLF, or
LFCR.
The response from the thermostatic circulator 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 6: Example with set point transfer of 30.5 °C to the thermostatic
circulator
Computer
Temperature control device
"OUT_SP_00_30.5"CRLF
è
ç
"OK"CRLF
4.5 Read and write errors on the interfaces
4.5.1 Write commands of the interface
A write error is a command from the control station to the constant tem-
perature equipment.
Table 7: Temperature
ID Function
Unit
Command
1 Temperature set point
[°C]
OUT_SP_00_XXX.XX
15 Actual value of external temperature (via interface)
[°C]
OUT_PV_05_XXX.XX
26 Limitation of outflow temperature TiH (upper limit)
[°C]
OUT_SP_04_XXX
28 Limitation of outflow temperature TiH (lower limit)
[°C]
OUT_SP_05_XXX
32 Temperature set point T
set
in Safety Mode
[°C]
OUT_SP_07_XXX.XX
Table 8: Pump
ID Function
Unit
Command
17 Pump power stage (device-specific, e.g. 1
‑
6 or 1
‑
8)
[–]
OUT_SP_01_[Value]
Valid for the Ethernet interface and for the
RS 232/485 interface module
V6
PRO bath thermostats and circulation thermostats
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