Omron VARISPEED G7 -, Instruction Manual

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Input Terminal Functions
6-
67
Blocking Inverter Outputs (Baseblock Commands)
Set 8 or 9 (Baseblock command NO/NC) in one of the constants H1-01 to H1-10 (multi-function contact input
terminal S3 to S12 function selection) to perform baseblock commands using the terminal's ON/OFF opera-
tion, and prohibit Inverter 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 Contact Inputs (H1-01 to H1-10)
Time Chart
The time chart when using baseblock commands is shown below.
Fig 6.48 Baseblock Commands
Set-
ting
Value
Function
Control Methods
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
8 External baseblock NO (NO contact: Baseblock at ON) Yes Yes Yes Yes Yes
9 External baseblock NC (NC contact: Baseblock at OFF) Yes Yes Yes Yes Yes
IMPORTANT
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.
Forward operation/Stop
Baseblock command
Input
Cleared
Frequency reference
Output frequency
Search from stored frequency reference
Coast to a stop