Athena Technologies 6050 - Manual (Page 5)

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.
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