Instruction manual

60 minutes60 minutes 60 minutes60 minutes
60 F60 F 60 F60 F
5 minutes5 minutes
30
minutes
30
minutes
35
minutes
35
minutes
65 minutes65 minutes
-10 F-10 F -10 F-10 F
Figure 5.9Figure 5.9
Temperature Profile
of Chamber
Temperature Profile
of
Chamber
Bread is baked in batches. A ramp is incorporated to control the thermal
gradient to suit for making the bread. A dwell timer is used to shut off the oven
power and signal the baker. The system is configured as shown in the
Bread is baked in batches. A ramp is incorporated to control the thermal
gradient
to suit for making the bread. A dwell timer is used to shut off the oven
power
and signal the baker. The system is configured as shown in the
Figure 5.10Figure 5.10
A Bread Baking OvenA Bread Baking Oven
+
+
AC RelayAC Relay
OFF
ON
220VAC
Main
220VAC
Main
Heater
Heater
Baking
Oven
Baking
Oven
Push ON switch to start a batch. The temperature will rise with a ramp rate
determined by RAMP value. Bread is baked with the set point temperature
for a definite time which is programmed by TIME value, and then the power
is shut off. The temperature profile is shown in the following Figure.
Push ON switch to start a batch. The temperature will rise with a ramp rate
determined by RAMP value. Bread is baked with the set point temperature
for a definite time which is programmed by TIME value, and then the power
is shut off. The temperature profile is shown in the following Figure.
ETR-3400 provides 4-20 mA signal to control the speed of the Inverter.SP.P2
being chosen for EIFN is for the purpose of accomplishing a dual PID control.
You can perform auto-tuning twice at SP1 and SP2 for initial setup to the dual
ETR-3400 provides 4-20 mA signal to control the speed of the Inverter.SP.P2
being
chosen for EIFN is for the purpose of accomplishing a dual PID control.
You
can perform auto-tuning twice at SP1 and SP2 for initial setup to the dual
40
minutes
40
minutes
40
minutes
40
minutes
180 F180 F
180 F180 F
Cooling
down
Cooling
down
Restart a
new batch
Restart a
new
batch
30 F/min30 F/min
PV
30 F30 F
5
45
Time
( minutes )
Time
(
minutes )
A1FN=TIMR
SPMD=MINR
Time=40.0 ( minutes )
RAMP=30.0 ( F/min )
Alarm 1: Form B Relay
A1FN=TIMR
SPMD=MINR
Time=40.0
( minutes )
RAMP=30.0
( F/min )
Alarm
1: Form B Relay
Figure 5.11Figure 5.11
Temperature Profile
of Baking Oven
Temperature Profile
of
Baking Oven
12
34
5
8910
11
67
12
13
14
5V DC
Relay
5V DC
Relay