Hitachi SJ Series User Manual page 470

Chapter 13
13.4 Checking the Rotational Direction
13.4.1 Monitoring the rotational direction
Q
• Want to check the rotational direction currently
used.
A
• The rotational direction is determined by methods of
operation command and signs of frequency
command.
Parameter
Item
Operation direction
monitor
Parameter
00: Stop
01: Zero-speed out
02: Forward run
[dA-03]
03: Reverse run
!
• In the zero-speed output mode, it is likely that the
converter is outputting under 0Hz command due to
the direct current function, forcing function, or 0Hz
range sensorless vector control, etc.
• The inverter is stopped when an output is not made.
Data
Inverter is stopped.
Inverter is outputting 0 Hz.
Inverter is running under forward rotation
command.
Inverter is running under reverse rotation
command.
13-7
Monitor Functions
Description