No. | English |
1 | CB circuit / DC bus capacitor circuit |
2 | CB board / DC bus capacitor board |
3 | Instantaneous power failure detection |
4 | Phase failure detection |
5 | Opt coupler / Photo coupler |
6 | Reference voltage |
7 | Inrush current limiting (circuit) |
8 | Thyrister drive circuit (Suppressing circuit) |
9 | Power supply for Thyrister gate |
10 | Control signal for Thyrister |
11 | BRD drive circuit (incl. Short circuit protection) |
12 | Control signal for BRD |
13 | Short circuit detection |
14 | Power supply for lower arm IGBTs |
15 | Drive circuit for lower arm IGBTs (incl.Short circuit detection) |
16 | Drive circuit for upper arm IGBTs (incl.Short circuit detection) |
17 | Power supply for U phase |
18 | Current detection for U phase |
19 | Current detection for W phase |
20 | Control power supply |
21 | Temperature detection |
22 | Control power supply |
23 | Power supply for GA (Gate Array) |
24 | Power supply for I/F (interface) |
25 | UV (Under voltage) detection |
26 | Instantaneous power failure detection |
27 | Dividing circuit |
28 | OV (Over voltage) detection |
29 | Voltage detection for earch phase |
30 | f,sita detection |
31 | Main PCB |
32 | High speed opt coupler |
33 | Isolation amplifier |
34 | 30 connections between main PCB and logic PCB |
35 | "H" while BRD ON |
36 | Approx. 3.3V peak at rated current |
37 | "L" while Inverter trips |
38 | "L" while phase failure |
39 | Communication signal,operates while standstill |
40 | PWM signal |
41 | Approx. 6.4V at OV level |
42 | "L" while stopped by Gate suppressing |
43 | Signal for frequency matching |
44 | Control power supply for digital portion |
45 | Control power supply for analog portion |
46 | Power supply for I/F (interface) |
47 | "H" while instantaneous power failure |
48 | OC(Over current)detection |
49 | Hardware latch |
50 | 25 control terminals |
51 | 31 control terminals |
52 | Logic PCB |