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Chapter 5 Detailed Function Introductions
Corresponding function
Abnormality of analog
24
signal 1
Abnormality of analog
25
signal 2
STEP Steps of program
26
running
27
ERR fault alarm
28
Cut-to-length arrival
29
Sleeping
30
Zero speed
Zero servo state
31
(reserve)
Reverse control signal
32
(reserve)
Actual direction of
33
rotation
Abnormality of analog
34
signal 3
Underload detection
35
signal (ULP)
Notes:
This series of inverters have 7 ways of digital outputs, the output terminals D0, Y1, Y2, Y3, relay 1, relay 2
are programmable multi-function terminals (there are only two ways of digital outputs for 3004GB and below
models, and the output terminal are D0 and relay 1). Users may select some control and monitoring signals
(shown in Table 5-3-3) based on their needs.
When selecting the collector output as the indication of number of steps of program running or fault
indication, content of function definitions must be the same, is 26 or 27 to make combination of D0, Y1, Y2
or combination of D0, Y1, Y2, Y3 active. (3004GB and below models have no such combination)
Indication of ERR fault types are shown in Table 5-3-5, STEP indication of number of steps of program
running is shown in Table 5-3-6.
Y2
OFF
OFF
OFF
ON
ON
ON
ON
122
When the signal level of the analog signal is less than the minimum value or
higher than the maximum value of the signal continuously for 500ms, the
terminal output is active
When the signal level of the analog signal is less than the minimum value or
higher than the maximum value of the signal continuously for 500ms, the
terminal output is active
It indicates the number of steps of program running. For output content and
the corresponding number of steps of program running, please see Table
5-3-5 (reserves for 3004GB and below modes)
Output signal and the corresponding failure are shown in Table 5-3-5
Terminal output is active when the Cut-to-length reaches the set point
When the system is sleeping, the terminal output is active
When the output frequency is 0, the terminal output is active
Reserve
Reserve
When the inverter switches the direction, the output level signal is also
changed accordingly
When the signal level of the analog signal is less than the minimum value or
higher than the maximum value of the signal continuously for 500ms, the
terminal output is active
When the inverter is under load, the underload detection signal is active
Table 5-3-5 Indication of ERR fault types
Y1
D0
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
ON
Functional description
Fault type
OC
SC
OU
Uu1
OH1
OL2
EH
Meaning
Over-Current
Short Circuit
Over Voltage
Under Voltage
Overheat
Inverter Overload
External Fails
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