28 September 2021
ATV61/71 command switching. Product Line:
Altivar 61, Altivar 71 Environment:
All serial numbers Cause:
N/A Resolution:When profile on the ATV61/71 VFDs is programmed to Separate or IO profile, the speed reference and the start/stop command can come from different channels. Command switching allows the VFD to switch between Command Channel 1 and Command Channel 2 The parameter can be accessed if [Profile] (CHCF) = [Separate] (SEP) or [I/O profile] (IO) [Cmd switching] [ch1 active] (Cd1)Cd1 [ch1 active] (Cd1)
: [Cmd channel 1] (Cd1) active (no switching)Cd2 ch2 active] (Cd2)
: [Cmd channel 2] (Cd2) active (no switching) [LI1] (LI1) to: [LI6] (LI6) [...] (...): See the assignment conditions on page 118 (not CDOO to CD14).
If the assigned input or bit is at 0, channel [Cmd channel 1] (Cd1) is active.
If the assigned input or bit is at 1, channel [Cmd channel 2] (Cd2) is active.