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L2: Momentary Power Loss Ride-Thru............................................................................................ 300
L3: Stall Prevention ......................................................................................................................... 301
L4: Speed Detection........................................................................................................................ 301
L5: Fault Restart.............................................................................................................................. 302
L6: Torque Detection....................................................................................................................... 302
L8: Drive Protection......................................................................................................................... 303
B.10 n: Special Adjustment.......................................................................................................304
n1: Hunting Prevention.................................................................................................................... 304
n3: Overexcitation Braking .............................................................................................................. 304
B.11 o: Operator-Related Settings ...........................................................................................305
o1: HOA Keypad Display Selection................................................................................................. 305
o2: HOA Keypad Functions............................................................................................................. 305
o4: Maintenance Monitor Settings................................................................................................... 306
B.12 S: HVAC Function..............................................................................................................307
S1: Dynamic Noise Control Function .............................................................................................. 307
S2: Sequence Timers...................................................................................................................... 307
B.13 T: Motor Tuning .................................................................................................................310
T1: Induction Motor Auto-Tuning..................................................................................................... 310
B.14 U: Monitors.........................................................................................................................311
UB: Bypass Control Monitors .......................................................................................................... 311
U1: Operation Status Monitors ........................................................................................................ 312
U2: Fault Trace................................................................................................................................ 314
U3: Fault History.............................................................................................................................. 315
U4: Maintenance Monitors .............................................................................................................. 317
U5: PID Monitors ............................................................................................................................. 318
U9: Power Monitors......................................................................................................................... 319
B.15 Z: Bypass Parameters.......................................................................................................320
Z1: Bypass Control System............................................................................................................. 320
Z2: Bypass Control Input/Output ..................................................................................................... 324
Z3: Bypass Control Communication................................................................................................ 325
Z4: Bypass Control Option Boards.................................................................................................. 326
B.16 Defaults by Drive Model....................................................................................................329
C. BACNET COMMUNICATIONS ............................................................................ 331
C.1 BACnet Configuration.......................................................................................................332
C.2 Communication Specifications ........................................................................................333
C.3 Connecting to a Network ..................................................................................................334
Network Cable Connection.............................................................................................................. 334
Wiring Diagram for Multiple Connections ........................................................................................ 335
Network Termination ....................................................................................................................... 335
C.4 BACnet Setup Parameters................................................................................................336
BACnet Serial Communication........................................................................................................ 336
C.5 Bypass Operations by BACnet ........................................................................................338
Observing the Bypass Operation .................................................................................................... 338
Controlling the Bypass .................................................................................................................... 338
C.6 BACnet Objects Supported ..............................................................................................339
Present Value Access ..................................................................................................................... 339
Supported Properties of Objects ..................................................................................................... 339
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
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