Frequency Command Block - Fuji Electric FRENIC-HVAC User Manual

7.2 Frequency Command Block

[12]
+
+
C31
[12] Offset
Thermistor
Hardware
(Mode selection)
switch
H26=0
SW5
4-20mA/
=C1
0-20mA
[C1]
selection
=PTC
C40
[C1] Offset
Thermistor
(Mode selection)
H26=1,2
+
[V2]
+
+
C41
[V2] Offset
Host
equipment
(Win PC)
Host
equipment
Host
equipment
Host
equipment
E65 ≠999
C33
B
E65
[12] Filter
Reference loss
detection
Compa-
2 mA
rator
(Less than)
+
+
C38
C
C36
E65
[C1] Filter
Reference loss
detection
Thermistor
(Mode selection)
H26
1
2
Compa-
H27
rator
Thermistor
(Level)
D
C43
E65
[V2] Filter
Reference loss
detection
ON if y99 = 1,3
USB connector
OFF if y98=1,3
RS-485 COM port 1
or
(RJ-45 connector to
H30=4,5,8
connect with keypad)
OFF if y98=1,3
RS-485 COM port 2
or
(Control circuit terminals
H30=1,3,7
DX+ and DX-)
OFF if
H30=1,3 to 5,
Fieldbus card
7,8
(option)
Data clear processing
for communications
*2
Figure 7.1 (1) Frequency Command Block
Selection of
normal/inverse
Reference
operation
loss
detection
×
Continue-
to-run
Gain
frequency
C32 C34 F18 C50
at
[12]
C1OFF
×
Continue-
to-run
Gain
frequency
C37 C39 F18 C50
at
[C1]
×
Gain
Alarm
C42 C44 F18 C50
0H4
Motor overheat
detected by
×
PTC thermistor
THM
Gain
C32 C34 C55 C56
×
Gain
C37 C39 C61 C62
Continue-
to-run
frequency
×
at
[V2]
Gain
C42 C44 C67 C68
Frequency
command via
communication
S01
≠0
S01
S05
0
≠0
S05
0
S19
Last
command
to take effect
When an alarm (
Er8, ErP, Er4 or
Er5) occurs, the frequency command
error
and run command (FWD, REV,
FWD2 or REV2) can be cleared.
y95
7-2
Switch normal/
Inverse operation
C53 IVS
Disable PID control
(J101=0 and J201=0)
Normal/inverse decision
Normal/
inverse
+
+
operation
Polarity
Bias
C35=1
"0"
0 limiter
Normal/
+ inverse
+
operation
Bias
"0"
0 limiter
Normal/
inverse
+
+
operation
Polarity
Bias
C45=1
"0"
0 limiter
Normal/
inverse
+
+
operation
Polarity
Bias
C35=1
"0"
0 limiter
Normal/
inverse
+
+
operation
Bias
"0"
0 limiter
Normal/
inverse
+
+
operation
Polarity
Bias
C45=1
"0"
0 limiter
E
1
2
3
4
5
6