SI21 Solar Pump VFD Manual
29
C01.06
(0x2206)
Faulty module temperature
V/F SVC
C01.07
(0x2207)
Faulty VFD status
V/F SVC
C01.08
(0x2208)
Fault input terminal status
V/F SVC
C01.09
(0x2209)
Fault output terminal status
V/F SVC
● I/O Terminals Function Table
X
Functional
interpretation
X
Functional interpretation
X
Functional interpretation
0
No function
21
PID control pause
42
Counter clock input
terminal
1
Forward running
22
PID characteristic switching
43
Counter clear terminal
2
Reverse run
23
PID parameter switching
44
DC brake command
3
Three-wire operation
control (Xi)
24
PID given switch 1
45
Pre-excitation command
terminal
4
Forward turn
25
PID given switch 2
46
Reserved
5
Reverse jog
26
PID given switch 3
47
Reserved
6
Free parking
27
PID feedback switching 1
48
Command channel switch
to keyboard
7
Emergency pull over
28
PID feedback switching 2
49
Command channel switch
to terminal
8
Fault reset
29
PID feedback switching 3
50
Command channel switch
to communication
9
External fault input
30
Program run (PLC) pause
51
Command channel switch
to expansion card
10
Frequency increment (UP)
31
Program run (PLC) restart
52
Run prohibition
11
Frequency decrement
(DW)
32
Acceleration/deceleration
time selection terminal 1
53
Forward prohibition
12
Frequency increment
decrement clear (UP/DW
clear)
33
Acceleration/deceleration
time selection terminal 2
54
Reverse prohibition
13
Channel A switches to
channel B
34
Suspension acceleration
55
Reserved
14
Switch the frequency
channel combination to A
35
Swing frequency input
56
Reserved
15
Switch the frequency
channel combination to B
36
Swing frequency pause
57
Zero servo command
16
Multi-speed terminal 1
37
Swing frequency reset
58
Run output blocking
command
17
Multi-speed terminal 2
38
Keyboard button and display
self-test selection
80
Water fulfilled detection
alarm
18
Multi-speed terminal 3
39
X4 frequency measurement
81
Water fulfilled detection
reset
19
Multi-speed terminal 4
40
Timer trigger terminal
82
Hybrid input
20
PID control canceled
41
Timer clear terminal
83
Dry run protection input
Y
Functional
interpretation
Y
Functional interpretation
Y
Functional interpretation
0
No output
14
Lower limit frequency is
reached
28
Underload pre-alarm
output 2
1
The VFD is running
15
Program run cycle is
completed
29
VFD is warning
2
VFD running in reverse
16
The running phase of the
program is completed.
30
Communication address
0x3018 control output
3
The VFD is running in
forward rotation
17
PID feedback exceeds the
upper limit
31
VFD overheat warning
4
Fault trip alarm 2 (no
alarm during fault
self-recovery)
18
PID feedback is below the
lower limit
32
Motor overheat alarm
output
