SV-iS7 User Manual - Inverter Drive Supermarket

Chapter 11 Communication Function
11-4
11.1.5 Operating command and Frequency setting
Group Code No. Function Display Setting Display Unit
DRV
06 Cmd Source 3 Int 485 -
07 Freq Ref Src 7 Int 485 -
DRV-06, 07: If you select Int 485 No. 3 and 7 as above, you can set the operating command and frequency in the
parameter located in the common area by using the communication function.
11.1.6 Command loss protection
Judgment standard and Protection in case of a problem with the communication for a certain period of time
Group Code No. Function Display Setting Display Unit
PRT
12 Lost Cmd Mode 1 Free-Run -
13 Lost Cmd Time - 1.0 Sec
14 Lost Preset F - 0.00 Hz
OUT 31~33 Relay1,2, Q1 12 Lost Command -
PRT-12 Lost Cmd Mode, PRT-13 Lost Cmd Time: selects the movement of the inverter when there is a
communication problem with PRT-13 for more than an hour.
Setting Item Function
0 None
Speed command is directly the operating frequency without
protective movements.
1 Free-Run The inverter blocks output. The motor continues free run.
2 Dec Decelerating stop
3 Hold Input
4 Hold Output
Continues to operate at the entered speed command until before
speed loss
Continues to operate at the operating frequency until before speed
loss
5 Lost Preset Operates at the frequency set at PRT-14 Lost Preset F.