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7.
Programming the additional switch output (ST 411 only)
7.1.
General description (ST 411 only)
The ST 411 control unit has an additional switch output which can also be programmed as a firing program.
The switch output on the controller can control an automatic exhaust air flap, an automatic intake air flap
or an automatic cooling system using a fan on the kiln separately or simultaneously.
Each switch output can switch a maximum of 250-300 mA at 230 V.
A relay must be used at these outputs to switch loads.
7.2.
Configuring parameters for switch output (ST 411 only)
The additional switch output can be set in the parameter configuration (see Section 12. / Parameter no. 45).
Additional switch output
Switch output 1
7.3.
Possible assignment of the switch output (ST 411 only)
Additional switch output 1 (Event 1):
With this setting, the switch output is controlled in such a way that its status changes at the beginning of a
ramp (heating and cooling ramps) or soak period.
Events are possible with a ramp as well as a soak period.
Example for assignment:
The kiln has an automatic air damper that should close at the beginning of a ramp (heating or cooling ramp)
or soak period and should open again at the end of a ramp (heating or cooling ramp) or soak period.
Meaning
Description
Heating ramp
To mark the end of the
program, push the
key until "END"
appears in the main
Cooling ramp
display.
Parameter
Value
No. 45
1
58 / 291 - EN -
Remark
END" ends the firing program.
The firing program ends with the
segment in which "END" has been
programmed.
After "END" has been programmed,
f
the soak/target temperature or soak
time can no longer be selected.
The "END" value is one step below
the ramp rate "0,1 °C/h".
Note: If "END" is not entered in the last
segment, the controller issues the error
message "Error P" when the program
starts.
Description
Event 1
