12
YASKAWA
TOEPYAIH6R01B HV600 REDUNDANT DRIVE OPERATIONAL TEST MANUAL
◆
Confirm Auto-Transfer Function
This test is optional based on the application requirements.
Table 4.4 Confirm Auto-Transfer Function
Check
Step
Details
Figure
□
16
Set the MAN-FAULT XFER-AUTO switch to
“
AUTO
”
.
□
17
Set the DRV A-AUTO-DRV B switch to
“
AUTO
”
.
□
18
Set the HAND-OFF-AUTO switch to
“
HAND
”
to start Drive A.
□
19
Confirm that you can use the BAS to change the speed reference for Drive A and Drive B.
-
□
20
If necessary, remove the front cover from Drive A to access the TB3 and TB4 terminal blocks below
the control board.
While Drive A is running, momentarily jumper terminal TB4 SN to TB3 S3 (external fault normally
open) to trigger a fault in Drive A.
Note:
When you jumper terminal SN to S3, Drive A will fault on an
EF3
fault code. Confirm that the
corresponding drive fault relay output is in a faulted state. Drive B will then attempt to start
immediately.
Confirm Drive B starts operating.
END