6 Parameters
6 - 10
E5@C Digital Temperature Controllers User’s Manual (H174)
This parameter monitors the set point during SP ramp operation.
This parameter measures the heater current from the CT input used for detecting heater burnout.
sp-m
Set Point During SP Ramp
The SP Ramp Set Value parameter must not be set
to OFF and the SP Ramp Fall Value parameter must
not be set to SAME or OFF. The ST parameter must
be set to OFF.
A ramp is used to restrict the change width of the set point as a rate of change.
This parameter is displayed when a set value is input for the SP Ramp Set Value parameter
(Adjustment Level).
When not in ramp operation, the set point will be the same as the one displayed for the Pro-
cess Value/Set Point parameter.
Related Parameters
Process Value/Set Point (Operation Level): Page 6-8
SP Ramp Set Value (Adjustment Level): Page 6-33
SP Ramp Fall Value (Adjustment Level): Page 6-33
Set Point Upper Limit (Initial Setting Level): Page 6-45
Set Point Lower Limit (Initial Setting Level): Page 6-45
ct1
Heater Current 1 Value Monitor
HB and HS alarms must be supported.
The HB ON/OFF parameter must be set to ON.
This parameter measures and displays the heater current value.
• Heater burnout is not detected if the ON time for the control output for heating is 100 ms
or less (30 ms or less if the control period is 0.1 or 0.2 s).
• ffff is displayed when 55.0 A is exceeded.
• If an alarm is output for the Heater Burnout Detection 1 parameter, the No. 1 display will
flash the Heater Current 1 Value Monitor parameter.
Related Parameters
Heater Burnout Detection 1 (Adjustment Level): Page 6-22
Heater Burnout Detection 2 (Adjustment Level): Page 6-23
HB ON/OFF (Advanced Function Setting Level): Page 6-65
Error Display ct1: Page A-17
Monitor range Unit
SP: SP lower limit to SP upper limit EU
Monitor range Unit
0.0 to 55.0 A