Remote control
86
Important times for a command transmission:
¨
To ensure secure data transfer, the time gap between two commands
should be at least 250 ms.
The circulator automatically responds to an
in
command with a data string
followed by an LF (Line Feed). The next command should be sent only
after 10 ms.
)
The
OUT
commands are valid only in remote control mode.
Examples:
When the RS485 interface is used, the three-digit instrument address
precedes each command.
(example: address Ad32 = A
032
)
Command to set the working temperature >Setpoint1< to 55.5 °C
OUT_SP_00
55.5
A032_OUT_SP_00
55.5
Command to retrieve the working temperature >Setpoint1<
IN_SP_00
A032_IN_SP_00
Response from the circulator:
55.5
LF
A032_55.5
LF
Notice:
OUT commands
Temperature values can be displayed on the circulator in °C or °F.
The settings sent via the interface must also be made in the selected unit according
to this setting.
12.3. List of commands
OUT commands:
Setting parameters or temperature values.
Command
Parameter
Response of circulator
OUT_MODE_01
0
Use working temperature >Setpoint1<
OUT_MODE_01
1
Use working temperature >Setpoint2<
OUT_MODE_01
2
Use working temperature >Setpoint3<
OUT_MODE_02
0 Selftuning
“off”.
Temperature control using the stored parameters.
OUT_MODE_02
1 Selftuning
“once”
Single selftuning of the controlled system after the next start.
OUT_MODE_02
2 Selftuning
“always”
Continual selftuning of the controlled system whenever a new
setpoint is to be reached.
OUT_MODE_03
0
Set external programmer input to voltage.
Voltage
0 V ... 10 V
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