13
Press the key to show ; it is now possible,
during the process display, to change the output
percentage using the keys and . To return to
automatic mode, using the same procedure, select
on display 2: the led switches off and
functioning returns to automatic mode.
2. The second selection enables the same
functioning, but with two important variants:
• If there is a temporary lack of voltage or after switch-off, the
manual functioning will be maintained as well as the previously
set output percentage value.
• If the sensor breaks during automatic functioning, the controller
moves to manual mode while maintaining the output percentage
command unchanged as generated by the PID immediately
before breakage.
7.7 Pre-Programmed Cycle
The pre-programmed cycle function activates by setting in
parameter 48 .
The controller reaches setpoint1 basing on the gradient set in
parameter 51 , then it reaches maximum power up to
setpoint2. When the process reaches maximum power, this setpoint is
maintained for the time set in parameter 52 . On expiry, the
command output is disabled and the controller displays .
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