Overtemperature shutdown
Standby value
°C
Overtemperature warning
Undertemperature warning
Undertemperature fault
50
5
10
Grid
°C
5
°C
°C
°C
20
°C
Overtemperature fault
10
Operation
4-29
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Screen 1: Alarm Values
NOTE: The temperatures in this screen are differential values.
Standby temperature =
Setpoint temperature − Standby value
NOTE: The minimum standby temperature is 40 °C (100 °F), even if the
selected settings would (mathematically) permit the standby temperature to
be lower.
Fig. 4-21 T2
Standby value: 50 °C (90 °F)
NOTE: The values* are not a factor of the setpoint during the heatup and
cooling phases (refer to Monitoring of Heatup and Cooling).
When the ALL, ALL HOSES and ALL GUNS groups are used, the values for
warning and fault are always assumed together, even if only one of the
values has been changed. This ensures that the fault value is always larger
than or equal to the value for the respective warning.
Warning
Overtemperature =
Setpoint temperature
+ Overtemperature warning delta*
Warning
Undertemperature =
Setpoint temperature
− Undertemperature warning delta*
NOTE: The warning value is a factor of the fault value in that the values for
the warning may not be larger than the corresponding values for the faults.
When appropriate, first increase the fault value.
Overtemperature/undertemperature warning: 5 °C (10 °F)
NOTE: The values for Overtemperature/undertemperature warning are
differential values, not absolute temperatures.
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