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FRONT PANEL AOJUSTMENTS
Touch Key
1 Index: Allows the following adjustments to be selected.
1)
Set point temperature
O-14OO'F
(760°C)
O-2500°F
(O-137O°C)
2)
Heat cycle time
3)
Prop. Band (indicated
*1 to 120 seconds
as
gain)
0.25-25%
of span
4)
Rate with tracking reset
**4-255
seconds
5)
Auto Tune
(AT)
Up/Down keys: increases/decreases values of above
adjustments.
Tune/Cancel:
"cancel" puts output on stand-by to
permit set-up
"tune" triggers automatic tuning procedure
E Enter: writes selected value to nonvolatile memory
NOTES: *setting to zero initiates 60
millisecond
timebase
for ultra fast cycling. Use
with
external solid
state relays or SCR Power Controllers.
**Setting to zero disables reset and rate action
for proportional only control. Reset is six times
higher than rate
FOR OPTIMUM RESULTS WITH THE AUTO-TUNE MODEL 6050
1.
Set point must be a minimum of 100°F above ambient for
proper start-up.
2. Multi-zone applications require auto-tune units on each
zone and simultaneous warm-up.
4