
Control unit 77
ABB AI523
No. Description
1.
I/O bus
2.
Allocation between terminal No. and signal name
3.
16 yellow LEDs show the signal status at the analog inputs (I0...I15)
4.
1 green LED shows the status of the process supply voltage UP
5.
2 red LEDs show errors
6.
Label
7.
I/O terminal unit (TU515/TU516) with 40 terminals (screw-type or spring terminals)
8.
DIN rail
Summary of Contents for PVS800-57B
Page 1: ... ABB SOLAR INVERTERS PVS800 57B central inverters Hardware manual ...
Page 4: ......
Page 8: ...8 ...
Page 16: ...16 Safety instructions ...
Page 30: ...30 Operation principle and hardware description ...
Page 32: ...32 Planning the mechanical installation ...
Page 62: ...62 Dimension drawings Cabinet dimensions ...
Page 63: ...Dimension drawings 63 ...
Page 64: ...64 Dimension drawings Cabinet attachment points ...
Page 65: ...Dimension drawings 65 ...
Page 66: ...66 Dimension drawings AC and DC cabling lead throughs ...
Page 67: ...Dimension drawings 67 ...
Page 68: ...68 Dimension drawings AC cabling ...
Page 69: ...Dimension drawings 69 ...
Page 70: ...70 Dimension drawings DC cabling ...
Page 71: ...Dimension drawings 71 ...
Page 72: ...72 Dimension drawings ...