ABB ACH180-04S - Page 8

76Additional information on the control connections ..........................................
76Connecting an interposing relay to DO ........................................................
76Connecting EIA-485 fieldbus cable to the drive ..........................................
78PNP configuration for digital inputs .............................................................
78NPN configuration for digital inputs ............................................................
79Connection examples of two-wire and three-wire sensors .....................
79Safe torque off ..................................................................................................
79Connecting a PC .......................................................................................................
80CCA-01 connection ...................................................................................................
7 Installation checklist
81Contents of this chapter .........................................................................................
81Checklist .....................................................................................................................
8 Maintenance
85Contents of this chapter .........................................................................................
85Maintenance intervals .............................................................................................
85Description of symbols ....................................................................................
86Recommended maintenance intervals after start-up ...............................
87Cleaning the heatsink ..............................................................................................
87Replacing the cooling fans .....................................................................................
87To replace the cooling fan for frame size R1 ...............................................
90To replace the cooling fan for frame size R2 ...............................................
92To replace the cooling fan for frame size R3 ...............................................
94To replace the cooling fan for frame size R4 ...............................................
9 Technical data
97Contents of this chapter .........................................................................................
97Ratings ........................................................................................................................
97IEC ratings ..........................................................................................................
99UL (NEC) ratings ................................................................................................
100Definitions ..........................................................................................................
101Sizing ...................................................................................................................
101Output derating ........................................................................................................
103Surrounding air temperature derating .........................................................
105Altitude derating ...............................................................................................
105Switching frequency derating ........................................................................
106Fuses ...........................................................................................................................
106gG fuses (IEC) ....................................................................................................
108gR or aR -type fuses (IEC) ................................................................................
109Fuses (UL) ...........................................................................................................
112Alternate short-circuit protection .........................................................................
112Miniature circuit breakers (IEC) .....................................................................
8 Table of contents