6
-44
Blocking Inverter Outputs (Baseblock Commands)
Set 8 or 9 (Baseblock command NO/NC) in one of the constants H1-03 to H1-16 (multi-function contact input
terminal S3 to S16 function selection) to perform baseblock commands using the terminal's on/off operation,
and prohibit Inverter output using the baseblock commands. At this time, the motor will be coasting and “BB”
will blink on the Digital Operator.
Clear the baseblock command to restart the operating using speed search from frequency references from the
previous baseblock command input.
Multi-function Contact Inputs (H1-01 to H1-10)
Time Chart
The time chart when using baseblock commands is shown below.
Fig 6.21 Baseblock Commands
Setting
Value
Function
Control Methods
Open-
loop
Vector
Flux
Vector
08
External baseblock NO (NO contact: Baseblock at on)
Yes
Yes
09
External baseblock NC (NC contact: Baseblock at off)
Yes
Yes
Forward operation/Stop
Baseblock command
Frequency reference
Output
frequency
Input
Cleared
Search from stored frequency reference
Hold
Off
On
