
5-54
Motor 2 imposes functional restrictions on the following function codes. Confirm the settings
of those function codes before use.
Functions
Restrictions
Related function
codes
Non-linear V/f pattern
Disabled. Linear V/f pattern only
H50 to H53
Starting frequency
Starting frequency holding time not supported. F24
Stop frequency
Stop frequency holding time not supported.
F39
Overload early warning
Disabled.
E34 and E35
UP
/
DOWN
control
Disabled. Fixed at default setting 0.
H61
PID control
Disabled.
J01
Braking signal
Disabled.
J68 to J72
Software current limiter
Disabled.
F43 and F44
Rotation direction limitation
Disabled.
H08
To run the 2nd motor with the
M2/M1
terminal command and a run command (e.g.,
FWD
), the input of the
M2/M1
should not be delayed 10 ms or more from that of the
run command. If the delay exceeds 10 ms, the 1st motor will be driven by default.
Enable DC braking --
DCBRK
(Function code data = 13)
This t
erminal command gives the inverter a DC braking command through the inverter’s
digital input.
(Refer to the descriptions of F20 to F22.)
UP (Increase output frequency) and DOWN (Decrease output frequency) commands
--
UP
and
DOWN
(Function code data = 17, 18)
• Frequency setting
When the
UP
/
DOWN
control is selected for frequency setting with a run command ON,
turning the
UP
or
DOWN
terminal command ON causes the output frequency to increase or
decrease, respectively, within the range from 0 Hz to the maximum frequency as listed below.
UP
DOWN
Function
Data = 17
Data = 18
OFF
OFF
Keep the current output frequency.
ON
OFF
Increase the output frequency with the acceleration time
currently specified.
OFF
ON
Decrease the output frequency with the deceleration time
currently specified.
ON
ON
Keep the current output frequency.