ABB ACS800 Series Hardware Manual page 102

102
ZPOW-7B1C
AMC-33**
R P T2 S1S0
F M T1S3S2
APBU-44
Maintenance
V16 Green
F Red
R Green
M Green
P Green
T1...T2 Yellow
S0 Yellow
(blinking)
S1 Yellow
V18 A Green
(upper)
V18 B (lower) Green
V19 A Yellow
(upper)
V19 B (lower) Yellow
* Located on the active crowbar unit ACBU.
**Located on the NDCU-33 unit.
The 24 V output voltage is ON.
Internal fault: LED is on during program boot.
Not in use with the current software version
RESET signal is ON.
Auxiliary voltage is OK.
DDCC channels CH0 (T1) and CH3 (T2) are receiving
data.
Application program is running.
Not in use with the current software version
The 3.3 V power supply voltage is OK.
Backup battery voltage is OK. LED does not indicate
missing battery or the OFF state of the battery ON/OFF
switch in APBU board revision D or earlier.
Master channel (CNTL) is sending data.
Master channel (CNTL) is receiving data.