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AMATRONIC
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CENTRIC 3x480, User Guide, rel. 1.7
107
5.
The field Shutdown_reason (bytes 94 and 93) contains the sum (boolean “OR”) of all relevant alarm
codes for the module, for 3 minutes after the alarm event.
Figure 83: Structure of Shutdown_reason
Table 15: Interpreting Shutdown_reason
Bit
number
(decimal)
Hexadecimal
value when
“on”
Meaning when bit is “on”
0
01
Dc very low.
1
02
Input voltage.
2
04
12 V out of range.
3
08
Dc fault.
4
10
IGBT desaturation.
5
20
PFC temperature.
6
40
Inverter voltage out of range.
7
80
Pulse-by-pulse (PBP) protection, or inverter voltage blackout.
8
100
Inverter shutdown due to command.
9
200
Complete shutdown.
10
400
Lock after 7 times output relays OFF during 5 minutes, unlock after 5 hrs.
11
800
PLL of slave without data
12
1000
Dc high.
13
2000
Circulation.
14
4000
Inverter overload.
15
8000
Inverter temperature.
