Hitachi WJ Series

Chapter 9 Inverter Functions
9-12-2
9.12.2 Outputting a Signal during Forward/Reverse Running
 How to detect information during the forward rotation of the inverter and inform the system?
 How to detect information during the reverse rotation of the inverter and inform the system?
 Assigning "Forward rotation [FWR] (51)" or "Reverse rotation [RVR] (52)" to one of the output
terminal functions ([C021]/[C022]/[C026]) enables the inverter to output a forward/reverse
rotation signal.
 The [FWR]/[RVR] signal is not output while the voltage is being output from the inverter to the
motor due to DC injection braking or other reasons.
Code
Item
Description
Data
[C021]
[C022]
[C026]
Output terminal
function
Forward rotation [FWR]:
This signal is output during inverter forward rotation.
51
Reverse rotation [RVR]:
This signal is output during inverter reverse rotation.
52
Output frequency
Forward rotation
[FWR] output
Reverse rotation
[RVR] output
RUN command
[FW] input
RUN command
[RV] input
Forward
rotation
Reverse
rotation
ON
ON
ON
ON
Q
A
!