Teledyne 501 TRS, Operation Manual, Page: 88 / 111

TROUBLESHOOTING and REPAIR Teledyne API - T102/501 TRS, Addendum to T101 Operation Manual
86
Table 11-3. Temperature Controller – Primary Parameter Settings
DISPLAY
PARAMETER
NAME
SET TO COMMENTS
Proportional
Band
11
Sets the bandwidth of the proportional control function
to ± 11% of full scale
Integral time
10
Sets the reaction time for the proportional control
function to 10 seconds.
Derivative Time
7.7
Sets the reaction time for the derivative control
function (which reduces overshoot) to 7.7 seconds.
Low Alarm Limit
950
Sets the low alarm point to 950˚C
High Alarm Limit
1050
Sets the high alarm point to 1050˚C
Cycle Time
2
Sets the cycle time (which is divided proportionally
between On and Off) for 2 seconds.
EXAMPLE: for a duty cycle of 25% with a Cycle time of
2 seconds, the controller will turn the heater on for 0.5
seconds every 2 seconds
Hysteresis
3
Sets the bandwidth of the area around the set point
where the controller will not try to change the process
value (thereby inducing unnecessary fluctuations) to 3
% of full scale.
Autotune
0
(OFF)
Autotune is OFF
Parameter Lock
Can be either
0
1
2
All parameters are changeable
All parameters are locked
The set value can be changed but all other parameters
are locked
Ignore any other parameters that may appear.
07267B DCN6485