3. ADJUSTMENT OF SET POINTS:
(a) RATE1 [
rat1
]:
Press key for 2 seconds.
You are in SET MODE.
Display 1 will show
rat1
.
Display 2 will indicate current value of set point. Range is
0.1 to 9.9°C/min
You can change current value of this set point by following PROCEDURE.
Increase the parameter by key.
Decrease the parameter by key.
Press to store it in memory or press for next step.
If No key is pressed for 5 seconds previous value of parameter is retained and controller goes in control
mode.
(b) SET POINT 1 [
Set1]
:
Press key for 4 seconds.
You are in SET MODE.
Display 1 will show
SEt1
.
Display 2 will indicate current value of set point. Range is
0°C to 1200°C
You can change current value of this set point by following PROCEDURE.
Increase the parameter by key.
Decrease the parameter by key.
Press to store it in memory or press for next step.
If No key is pressed for 5 seconds previous value of parameter is retained and controller goes in control
mode.
(c) HOLD TIME [
HLd1]
:
Press key for 6 seconds.
You are in SET MODE.
Display 1 will show
HLd1
.
Display 2 will indicate current value of set point. Range is
1 to 999min.
You can change current value of this set point by following PROCEDURE.
Increase the parameter by key.
Decrease the parameter by key.
Press to store it in memory or press for next step.
If No key is pressed for 5 seconds previous value of parameter is retained and controller goes in control
mode.
NOTE: You can do the setting of the remaining parameters Rate2, Setpoint2, Holdtime2 Rate3, Setpoint3,
Holdtime3, Rate4, Setpoint4, Holdtime4, Rate5, Setpoint5, Holdtime5, Rate6, Setpoint6,
Holdtime6, Rate7, Setpoint7, Holdtime7, Rate8, Setpoint8, Holdtime8, & Rate9, Setpoint9,
Holdtime9 just like (a), (b) & (c).
NOTE: Here, the Control Action is On-Off & Hysteresis provided is fixed which is 2°C.
NOTE:
Initially as the power is turned on Relay (R2) is turned ON. After completion of hold 9 the
process will be off and r2 goes OFF, when process temperature reaches at ALARM set point
and lower display will show end.
WORKING
1)
As the power turns ON upper display shows room temperature/ process temperature and lower
display shows value current temperature, which changes according to the Rate (°C/min).
SET
SET
ENT
SET
SET
ENT
SET
SET
ENT