Despatch Protocol Controller - Manual (Page 38)

32
NOTE: EC and HHMM
(hours/minutes) is selected in the
tune mode.
Example 2 - Timer Mode
Control the process at 200 EC for three hours and 15
minutes with the timer beginning at 195
EC. Protocol
will stop automatically when run in Timer mode.
Timer Mode Example
Key DISPLAY Description
Timer
?
?
-
?
?
-
?
+
?
+
?
+
?
Heater On
Start
Stop
Heater Off
TIMER
Hi-Limit
HL 225
HL 215
SETPOINT
210 25
200 25
TIME0010
TIME0315
TEMP NO
TEMP YES
TEMP 79
TEMP 195
READY
READY
200 25
READY
READY
Select timer mode
Enter the high limit temperature
Hi-Limit currently set at 225 EC
Decrease high limit to 215 EC
Enter the setpoint
Setpoint at 210 EC, actual oven temperature at 25EC
Decrease setpoint to 200
EC
Timer currently set for ten minutes
Increase timer to three hours and 15 minutes
Timer currently set to begin timing at ambient
Timer set to begin timing at the following temperature
Timer currently set to begin timing at 79 EC
Timer set to begin timing at 195 EC
Protocol is ready to run Timer mode
Heater relay LED on, heater ready for power
Setpoint = 200 EC, actual oven temperature = 25EC
Stop Timer mode
Heater relay LED is off, heater secured off