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11
Figure 4.7 - Operating Schedule: Fixed Cycle
Notes:
Shaded areas show when a given input or output device is energized. Input and output devices are described in Figure 4.6.
If the dryer has two stage regeneration (optional), input I1.0 will always be on.
If the dryer is equipped with the demand cycle option, input I0.7 will always be on.
If the dryer is equipped with the demand cycle option, output Q2.1 will be on when the right tower is drying.
Descriptions of each step are given in Figure 4.9; alarms are described in Figure 4.10.
If the dryer has one stage regeneration (standard), the program will skip steps 10 through 13.
PLC Inputs
Left Tower Drying
and Outputs
Step Number
I/O No.
Device
L00 L01 L02 L03 L04 L05 L06 L07 L08 L09 L10 L11 L12 L13 L14 L15
I0.0
LPS
I0.1
RPS
I0.2
BPS
I0.3
HHC
I0.4
LTS
I0.5
RTS
I0.6
DPM
I0.7
Jumper #1
I1.0
Jumper #2
I1.1-I1.5
Not Used
Q0.0
1 SOL, 2LT
Q0.1
2 SOL, 3LT
Q0.2
3 SOL, 4LT
Q0.3
4 SOL, 5LT
Q0.4
5 SOL
Q0.5
6 SOL
Q0.6
7 SOL
Q0.7
8 SOL
Q1.0
9 SOL
Q1.1
M
Q2.0
6LT, CR
Q2.1
10 SOL
Q2.2-Q2.7
Not Used
PLC Inputs
Right Tower Drying
and Outputs
Step Number
I/O No.
Device
R00 R01 R02 R03 R04 R05 R06 R07 R08 R09 R10 R11 R12 R13 R14 R15
I0.0
LPS
I0.1
RPS
I0.2
BPS
I0.3
HHC
I0.4
LTS
I0.5
RTS
I0.6
DPM
I0.7
Jumper #1
I1.0
Jumper #2
I1.1-I1.5
Not Used
Q0.0
1 SOL, 2LT
Q0.1
2 SOL, 3LT
Q0.2
3 SOL, 4LT
Q0.3
4 SOL, 5LT
Q0.4
5 SOL
Q0.5
6 SOL
Q0.6
7 SOL
Q0.7
8 SOL
Q1.0
9 SOL
Q1.1
M
Q2.0
6LT, CR
Q2.1
10 SOL
Q2.2-Q2.7
Not Used