n1: Hunting Prevention.................................................................................................................... 331n3: High Slip Braking (HSB) and Overexcitation Braking................................................................ 331B.11 o: Operator-Related Settings ...........................................................................................332o1: HOA Keypad Display Selection................................................................................................. 332o2: HOA Keypad Functions............................................................................................................. 332o4: Maintenance Monitor Settings................................................................................................... 333B.12 S: Special Application.......................................................................................................334S1: Dynamic Noise Control Function .............................................................................................. 334S2: Sequence Timers...................................................................................................................... 334T: Motor Tuning ............................................................................................................................... 336T1: Induction Motor Auto-Tuning..................................................................................................... 336B.13 U: Monitors.........................................................................................................................338UB: Bypass Control Monitors .......................................................................................................... 338U1: Operation Status Monitors ........................................................................................................ 339U2: Fault Trace................................................................................................................................ 341U3: Fault History.............................................................................................................................. 342U4: Maintenance Monitors .............................................................................................................. 344U5: PI Monitors................................................................................................................................ 345U6: Operation Status Monitors ........................................................................................................ 346B.14 Z: Bypass Parameters.......................................................................................................347Z1: Bypass Control System............................................................................................................. 347Z2: Bypass Control Input/Output ..................................................................................................... 351Z3: Bypass Control Communication................................................................................................ 352Z4: Bypass Control Option Boards.................................................................................................. 354B.15 Defaults by Drive Model....................................................................................................356C. BACNET COMMUNICATIONS ............................................................................ 359C.1 BACnet Configuration.......................................................................................................360C.2 Communication Specifications ........................................................................................361C.3 Connecting to a Network ..................................................................................................362Network Cable Connection.............................................................................................................. 362Wiring Diagram for Multiple Connections ........................................................................................ 363Network Termination ....................................................................................................................... 363C.4 BACnet Setup Parameters................................................................................................364BACnet Serial Communication........................................................................................................ 364C.5 Bypass Operations by BACnet ........................................................................................366Observing the Bypass Operation .................................................................................................... 366Controlling the Bypass .................................................................................................................... 366C.6 BACnet Objects Supported ..............................................................................................367Present Value Access ..................................................................................................................... 367Supported Properties of Objects ..................................................................................................... 367Analog Input Objects ....................................................................................................................... 368Analog Output Objects .................................................................................................................... 368Analog Value Objects...................................................................................................................... 368Binary Input Objects ........................................................................................................................ 370Binary Output Objects ..................................................................................................................... 370Binary Value Objects....................................................................................................................... 371Device Object .................................................................................................................................. 373C.7 Accessing Bypass Parameters and the Enter Command .............................................374Table of ContentsYASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual 9