No.
(Addr. Hex)
Name
Description
Unit
UB-08
(8787)
Bypass Controller Active Faults
Register 2
Phase Loss Brownout
Phase Loss Blackout
No Drive Comms
Available
Option Board Comms
Loss of Load
Serial Communications Fault
Available
0
0
0
0
0
0
0
0
UB-08 =
00 000 000
–
UB-09
(8788)
Current Fault
Displays the current fault.
Refer to Bypass Fault Codes on page 404
for details.
–
UB-10
(8789)
Current Fault Year
Displays the year of the current fault.
–
UB-11
(878A)
Current Fault Month Day
Displays the month and day of the current fault.
–
UB-12
(878B)
Current Fault Hour Minute
Displays the hour and minute of the current fault.
–
UB-13
(878C)
Previous Fault
Displays the previous fault.
Refer to Bypass Fault Codes on page 404
for details.
–
UB-14
(878D)
Previous Fault Year
Displays the year of the previous fault.
–
UB-15
(878E)
Previous Fault Month Day
Displays the month and day of the previous fault.
–
UB-16
(878F)
Previous Fault Hour Minute
Displays the hour and minute of the previous fault.
–
UB-17
(8790)
Contactor Voltage (120 VAC)
Displays the measured voltage for the power going to the contactor coils.
1 Vac
UB-18
(8791)
Software Version
Displays the software version currently programmed into the bypass.
–
UB-19
(8792)
Date Year
Displays the current year.
–
UB-20
(8793)
Date Month & Day
Displays the current date (Month and Date).
–
UB-21
(8794)
Time Hour & Minute
Displays the current time (Hours and Minutes).
–
UB-90
(87A0)
Service Register 0
Unfiltered CT1 current
–
UB-91
(87A1)
Service Register 1
Unfiltered CT2 current
–
UB-92
(87A2)
Service Register 2
Electronic overload calculations
–
UB-93
(87A3)
Service Register 3
BACnet messages sent
–
UB-94
(87A4)
Service Register 4
BACnet received messages errored
–
UB-96
(87DF)
Bypass Unbalance Level
Displays the percent of current unbalance when operating in Bypass Mode.
0.0 to
100.0%
u
U1: Operation Status Monitors
No.
(Addr.
Hex)
Name
Description
Analog Output
Level
Unit
U1-01
(40)
Frequency Reference
Frequency Ref
Monitors the frequency reference. Display units are determined by o1-03. 10 V: Max frequency
0.01 Hz
U1-02
(41)
Output Frequency
Output Freq
Displays the output frequency. Display units are determined by o1-03.
10 V: Max frequency
0.01 Hz
B.13 U: Monitors
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
339
B
Parameter List
