Blocking Inverter Outputs (Baseblock Commands) - Omron SYSDRIVE 3G3RV Series User Manual

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Blocking Inverter Outputs (Baseblock Commands)

Set 8 or 9 (Baseblock command NO/NC) in one of the parameters H1-01 to H1-05 (multi-function input ter-
minal S3 to S7 function selection) to perform baseblock commands using the terminal's ON/OFF operation,
and prohibit Inverter voltage output using the baseblock commands.
Clear the baseblock command to restart the operating using speed search from frequency references from the
previous baseblock command input.
Multi-function Digital Inputs (H1-01 to H1-05)
Set
Value
8 External baseblock NO (Normally Open contact: Baseblock when ON)
9 External baseblock NC (Normally Closed contact: Baseblock when OFF)
nTime Chart
The time chart when using baseblock commands is shown below.
Forward operation/Stop
Baseblock command
Frequency reference
Output frequency
If using baseblock commands with a variable load, do not frequently input baseblock commands during oper-
ation, as this may cause the motor to suddenly start coasting, and may result in the motor falling or slipping.
IMPORTANT
Function
Input
Cleared
Search from stored frequency reference
Coast to a stop
Fig 6.48 Baseblock Commands
Input Terminal Functions
Control Methods
Open
V/f
Loop
V/f with
Vec-
PG
tor
Yes Yes Yes
Yes Yes Yes
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