Seven‐day clock key
Operation
4-27
Part 1024496_06
2014 Nordson Corporation
Seven‐day Clock Key
Use the seven‐day clock key to turn the melter's clock feature on and off.
When the clock is on, the temperature of each heated component is
automatically regulated based on a set of user‐defined schedules.
To accommodate daily shift work and non‐working days, four
clock schedules are available. Schedules 1, 2, and 3 are used to specify
when the heaters should turn on and off or when the melter should enter and
exit the standby mode. Schedule 0 is used to keep the melter in the last
condition dictated by the clock (heaters on or off, or standby).
When a clock schedule calls for the heaters to be on, the heaters
are regulated at their pre‐assigned set‐point temperatures. When the
clock activates the standby mode, the set‐point temperature of each
component is temporarily reduced by a pre‐set standby delta.
Refer to Appendix B, Operating Parameters, Seven‐day Clock, for
information about setting up the seven‐day clock and the standby delta.
If the melter is switched off while the
clock is on, the clock will automatically
turn back on the next time the melter is
switched back on.
If the heaters are manually turned off at
the time that a clock schedule calls for
the heaters to be on, the heaters will
not turn back on until the next clock
schedule calls for them to be on.
The clock will still operate when the
melter is faulting or is in the setup
mode.
If F4 appears in the right display when
you press the clock key, the internal
clock function has failed.
Section 7, Troubleshooting
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