ABB ACS880-07 - Electrical safety precautions

7 Control units of the drive
143Contents of this chapter ........................................................................
143General ..............................................................................................
144BCU layout .........................................................................................
146Default I/O diagram of the supply control unit (BCU-x2) ................................
149Default I/O diagram of the inverter control unit (BCU) ..................................
153UCU-22…24 layout ...............................................................................
156Default I/O diagram of the supply control unit (UCU-22…24) ..........................
159Default I/O diagram of the inverter control unit (UCU-22…24) ........................
163Additional information on the connections .................................................
163Power supply for the control unit (XPOW) ...............................................
163DIIL input ........................................................................................
163The XD2D connector ..........................................................................
164Safe torque off (XSTO, XSTO OUT) ........................................................
164FSO safety functions module connection (X12, with BCU only) .....................
164SDHC memory card slot .....................................................................
164MicroSDHC memory card slot ..............................................................
165Connector data ...................................................................................
168BCU ground isolation diagram .............................................................
169UCU-22…24 ground isolation diagram ...................................................
8 Installation checklist
171Contents of this chapter ........................................................................
171Checklist ............................................................................................
9 Start-up
173Contents of this chapter ........................................................................
173Start-up procedure ...............................................................................
176Switching off the drive ..........................................................................
10 Fault tracing
177Contents of this chapter ........................................................................
177Control unit LEDs (BCU-x2) .....................................................................
178Control unit LEDs (UCU-22…24) ...............................................................
178Control panel and panel platform/holder LEDs ............................................
178Warning and fault messages ...................................................................
11 Maintenance
179Contents of this chapter ........................................................................
179Handling fiber optic cables .....................................................................
180Maintenance intervals ...........................................................................
180Description of symbols ......................................................................
181Recommended maintenance intervals after start-up .................................
183Cabinet .............................................................................................
183Cleaning the interior of the cabinet .......................................................
183Cleaning the exterior of the drive .........................................................
184Cleaning the door air inlets (IP22 and IP42) .............................................
185Replacing the inlet door filters (IP54) .....................................................
185Cleaning the roof outlet filters (IP54) .....................................................
185Replacing the roof outlet filters (IP54) ...................................................
10 Table of contents