7. Description of Parameters MD500 User Manual
Value Function Description
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deceleration time selection
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through combinations of four states of these two terminals.
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deceleration time selection
18 Frequency source switchover
The terminal set for this function is used to perform switchover between
two frequency sources according to the setting in F0-07.
UP and DOWN setting clear
(terminal, operation panel)
If the frequency source is digital setting, the terminal set for this
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restoring the frequency reference to the value of F0-08.
20 Command source switchover 1
If the command source is terminal control (F0-02 = 1), this terminal is
used to perform switchover between terminal control and operation
panel control.
If the command source is communication control (F0-02 = 2), this
terminal is used to perform switchover between communication control
and operation panel control.
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prohibited
This function ensures the AC drive to maintain the current frequency
output without being affected by external signals (except the STOP
command).
22 PID disabled
This function disables the PID function. The AC drive maintains
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frequency source.
23 PLC state reset
When the simple PLC function is enabled again after it was disabled in
the execution process, this function restores the original state of simple
PLC for the AC drive
24 Wobble disabled
When the terminal set for this function becomes on, the wobble function
becomes disabled and the AC drive outputs center frequency.
25 Counter input
The terminal set for this function is used to count pulses.
26 Counter reset
The terminal set for this function is used to clear the counter.
27 Length signal pulses count
The terminal set for this function is used to count pulses of the length
signal.
28 Length reset
The terminal set for this function is used to clear the length.
Torque control prohibited
When the terminal set for this function becomes on, the torque control
is disabled and the AC drive enters speed control.
30 Pulse input as frequency
reference (valid only for DI5)
DI5 is used for pulse input as frequency reference.
31 Reserved
-
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Once the terminal set for this function becomes on, the AC drive directly
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33 External fault NC input
Once the terminal set for this function becomes on, the AC drive reports
ERR15 and stops.
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When the terminal set for this function becomes on, the AC drive
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35 PID operation direction reverse
When the terminal set for this function becomes on, the PID operation
direction is reversed to the direction set in FA-03.
36 External stop 1
In the operation panel mode, the terminal set for this function can be
used to stop the AC drive, equivalent to the function of the STOP key on
the operation panel.
37 Command source switchover 2
The terminal set for this function is used to perform switchover between
terminal control and communication control. If the command source is
terminal control, the AC drive switches over to communication control
after the terminal becomes ON.
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