UD78 User Guide
Issue code: 78nu2
22
5.3 Back-up
DC
supply parameter
10.41
Back-up
DC
supply active
ô
0 ~ 1
ð
RO Bit P
10.41 Indicates...
0
AC
supply connected
Control circuits and power stages operate (Drive fully operating)
1
AC
supply disconnected, back-up
DC
supply active
Only the control circuits operate
The Drive cannot power a motor
The Drive displays
LOPS
The Drive can be programmed either manually or via serial communications,
but parameter values cannot be saved
Model sizes 1 and 2: Heatsink fan operates
Model sizes 3 and 4: Heatsink fans do not operate
5.4 Serial communications parameters
11.23
Serial comms. address
ô
0 ~ 9.9
ð
1.1 group.unit RW Uni P
Enter the required address (group number and unit number) in
11.23
. The
address cannot contain
0
(eg. addresses
01
,
10
,
20
,
30
are not permissible).
Each UD78 on a serial communications network must have a unique address.
Up to nine groups can be created, and up to nine units can be assigned to a
group. (See Appendix A
Serial communications message formats
.)
