ABB ACS880-107LC Hardware Manual page 7

Functional safety components ...................................................................
7 Control units of the drive
Contents of this chapter ...........................................................................
General ..............................................................................................
BCU-x2 layout ......................................................................................
Default I/O diagram of the inverter control unit (A41) .........................................
Additional information on the connections .....................................................
External power supply for the control unit (XPOW) .......................................
DI6 as a PTC sensor input ....................................................................
AI1 or AI2 as a Pt100, Pt1000, PTC or KTY84 sensor input .............................
DIIL input ........................................................................................
The XD2D connector ..........................................................................
Safe torque off (XSTO, XSTO OUT) .........................................................
FSO-xx safety functions module connection (X12) ........................................
SDHC memory card slot .......................................................................
Connector data .....................................................................................
BCU-x2 ground isolation diagram ............................................................
8 The Safe torque off function
Contents of this chapter ...........................................................................
Description ..........................................................................................
Compliance with the European Machinery Directive and the UK Supply of Machinery
(Safety) Regulations ...........................................................................
Wiring ................................................................................................
Activation switch ................................................................................
Cable types and lengths .......................................................................
Grounding of protective shields ..............................................................
Dual-channel connection with internal power supply .....................................
Frame R8i and multiples ...................................................................
Single-channel connection of activation switch ............................................
Multiple drives ...................................................................................
Internal power supply ......................................................................
External power supply ......................................................................
Operation principle .................................................................................
Start-up including validation test .................................................................
Competence .....................................................................................
Validation test reports ..........................................................................
Validation test procedure ......................................................................
Use ...................................................................................................
Maintenance ........................................................................................
Competence .....................................................................................
Fault tracing .........................................................................................
Safety data ..........................................................................................
Terms and abbreviations ......................................................................
TÜV certificate ..................................................................................
9 Internal cooling circuit
Contents of this chapter ...........................................................................
Applicability .........................................................................................
Internal cooling system ............................................................................
Table of contents 7
71
73
73
74
76
77
77
77
78
78
79
79
79
79
80
82
83
83
84
85
85
85
85
86
86
87
88
88
89
90
91
91
91
91
93
95
95
96
97
98
98
99
99
99