
DOC-0017-03-EN: AC15 Series - Hardware Installation Manual 
8 (125) DOC-0017-03-EN-B 04.04.2023 
8Safe Torque Off (STO): SIL2, PLd.................................................................................................... 46 
8.1 Overview ................................................................................................................................... 46 
 Introduction .................................................................................................................................................... 46 
 STO Functional Description ........................................................................................................................... 47 
8.2 Alignment to European Standards............................................................................................ 47 
 EN ISO13849-1:2015 (Safety of machinery – Safety-related parts of control systems) ................................ 47 
 EN61800-5-2:2017 (Adjustable speed electrical power drive systems) & EN61508:2010 (Functional safety of 
electrical/electronic/programmable electronic safety-related systems).......................................................................... 48 
8.3 Specification.............................................................................................................................. 48 
 Safety ............................................................................................................................................................. 48 
 EMC ............................................................................................................................................................... 49 
8.4 STO Operation .......................................................................................................................... 49 
 Terminal Identifications .................................................................................................................................. 49 
 Input State Truth Table .................................................................................................................................. 50 
 Example Applications..................................................................................................................................... 50 
 Technical Specification .................................................................................................................................. 55 
8.5 STO Safety Warnings & Limitations.......................................................................................... 55 
8.6 STO Functional Checks ............................................................................................................ 57 
 Comprehensive Checks ................................................................................................................................. 58 
 Test Protocol Specimen ................................................................................................................................. 60 
 Regular Checks.............................................................................................................................................. 60 
8.7 STO Troubleshooting................................................................................................................ 61 
9Basic Drive Operation....................................................................................................................... 62 
9.1 ‘Local’ Operation ....................................................................................................................... 62 
 Minimum Connections.................................................................................................................................... 62 
 Onboard Drive Keypad & Display Overview .................................................................................................. 63 
 6901 Remote Keypad & Display Overview .................................................................................................... 64 
 Keypad Menu Navigation Examples .............................................................................................................. 66 
 Basic Drive Setup........................................................................................................................................... 67 
9.2 ‘Remote’ Operation (Using Pre-Defined Macro’s) .................................................................... 74 
 Enable ‘Remote’ Control Mode ...................................................................................................................... 74 
 Selecting & Loading A Macro......................................................................................................................... 74 
 Running The Drive ......................................................................................................................................... 75 
 Application ‘1’: Standard (Basic Speed Control) ............................................................................................ 76 
 Application ‘2’: Auto / Manual......................................................................................................................... 77 
 Application ‘3’: Presets................................................................................................................................... 78 
 Application ‘4’: Raise / Lower ......................................................................................................................... 79 
 Application ‘5’: PID ......................................................................................................................................... 80 
 Application ‘6’: Aux Comms ........................................................................................................................... 81 
10 Routine Maintenance & Repair ........................................................................................................ 82 
10.1 Routine Maintenance ................................................................................................................ 82 
10.2 Preventative Maintenance ........................................................................................................ 82 
 Main Duct Cooling Fans................................................................................................................................. 82 
 DC Link Capacitors ........................................................................................................................................ 82 
10.3 Repair........................................................................................................................................ 82 
11 Compliance ........................................................................................................................................ 83 
11.1 Applicable Standards ................................................................................................................ 83 
11.2 European Compliance............................................................................................................... 83 
 CE Marking .................................................................................................................................................... 83 
 EMC Compliance ........................................................................................................................................... 85 
 EMC Standards.............................................................................................................................................. 85 
 EMC Installation Guidance ............................................................................................................................ 92 
 Harmonic Information..................................................................................................................................... 98 
11.3 North American & Canadian Compliance ............................................................................... 107 
 North American Compliance ........................................................................................................................ 107 
 Canadian Compliance.................................................................................................................................. 107 
 North American & Canadian Compliance Information ................................................................................. 107 
11.4 Environmental Compliance ..................................................................................................... 109 
 REACH (Restriction, Evaluation, Authorisation & Restriction of Chemicals) ............................................... 109 
 RoHS (Restriction of Hazardous Substances)............................................................................................. 109 
 WEEE (Waste Electrical & Electronic Equipment)....................................................................................... 109 
12 AC15 Series Product Codes........................................................................................................... 110