Pid Process Control Block - Fuji Electric FRENIC-HVAC User Manual

7.5 PID Process Control Block

[12]
+
[12] Offset
Thermistor
Hardware
(Mode selection)
switch
H26=0
SW5
4-20 mA/
=C1
[C1] 0-20 mA
selection
=PTC
C40
[C1] Offset [C1] Filter
Thermistor
(Mode selection)
H26=1,2
+
[V2]
+
+
C41
[V2] Offset
UP
command
UP/DOWN
UP
control
DOWN
command
DOWN
UP/DOWN
control
C58 Display unit
C59 Maximum scale
C60 [12]
Minimum scale
E61
B
C64 Display unit
C65 Maximum scale
[C1]
C66 Minimum scale
E62
C
C70
Display unit
C71
Maximum scale
C72
Minimum scale [V2]
E63
D
Reference
E65 ≠999 loss
detection
+
Continue-
C33
B
to-run
E65
C31
frequency
[12] Filter
Reference loss
at
detection
[12]
C1OFF
Compa-
2 mA
rator
(Less than)
+
+
Continue-
C38
C
C36 to-run
frequency
E65
at
Reference loss
[C1]
detection
Thermistor
(Mode selection)
H26
Alarm
1
0H4
Compa- 2
Motor overheat
H27
rator
detected by
Thermistor
thermistor (PTC)
(Level)
THM
Continue-
to-run
D
C43
frequency
E65
[V2] filter
at
Reference loss
[V2]
detection
Keypad
PID process command 1
PID control 1
(Command selection)
0
1
PID process command 1
3
4
*1
S13
3
101
5
4
4
30
3
1
PID process command 1
*1
2
PID process command 2
3
0
5
PID control 2
4
(Command selection)
30
PID process command 2
PID feedback amount 1
*1
PID feedback amount 2
3
5
4
30
Figure 7.4 (1) PID Process Control Block
7-7

7.5 PID Process Control Block

Selection of
C53
normal/inverse
operation
Normal/inverse decision
Normal/
×
inverse
+
+ operation
Gain Bias
C32 F18
C34 C50
Normal/
×
inverse
+
+
operation
Gain Bias
C37 F18
C39 C50
Normal/
×
inverse
+
operation
+
Gain
Bias
C42 F18
C44 C50
Multistep PID
command selection
PID-SS1, SS2
J102
+
+
+
+
E61
E61
=31 =32
E62 E62
E63 E63
+
+
J136
J137
J138
Multistep
command
J202
Keypad
K126
Switch normal/
inverse operation
IVS
Disable PID control
(J101=0 and J201=0)
Frequency
F01
command 1
0, 8
A
1
Polarity
1
C35=1
+
"0"
0 limiter
+
2
"0"
0 limiter
3
5
10
Polarity
C45=1 7
"0"
0 limiter
Pattern
operation
C21
2
3
4
5