b2: DC Injection Braking and Short Circuit Braking......................................................................... 241b3: Speed Search............................................................................................................................ 242b4: Timer Function .......................................................................................................................... 243b5: PID Control................................................................................................................................ 243b6: Dwell Function........................................................................................................................... 245b7: Droop Control ............................................................................................................................ 245b9: Zero Servo................................................................................................................................. 246A.5 C: Tuning............................................................................................................................247C1: Acceleration and Deceleration Times ....................................................................................... 247C2: S-Curve Characteristics............................................................................................................ 248C3: Slip Compensation.................................................................................................................... 248C4: Torque Compensation .............................................................................................................. 249C5: Automatic Speed Regulator (ASR) ........................................................................................... 250C6: Carrier Frequency..................................................................................................................... 251A.6 d: References.....................................................................................................................252d1: Frequency Reference................................................................................................................ 252d2: Frequency Upper/Lower Limits ................................................................................................. 253d3: Jump Frequency........................................................................................................................ 253d4: Frequency Reference Hold and Up/Down 2 Function............................................................... 254d5: Torque Control .......................................................................................................................... 255d6: Field Weakening and Field Forcing........................................................................................... 255d7: Offset Frequency....................................................................................................................... 256A.7 E: Motor Parameters .........................................................................................................257E1: V/f Pattern for Motor 1............................................................................................................... 257E2: Motor 1 Parameters .................................................................................................................. 258E3: V/f Pattern for Motor 2............................................................................................................... 259E4: Motor 2 Parameters .................................................................................................................. 260A.8 F: Options...........................................................................................................................261F1: PG Speed Control Card (PG-X3/PG-B3) .................................................................................. 261F2: Analog Input Card (AI-A3)......................................................................................................... 263F3: Digital Input Card (DI-A3).......................................................................................................... 263F4: Analog Monitor Card (AO-A3) ................................................................................................... 263F5: Digital Output Card (DO-A3) ..................................................................................................... 264F6, F7: Communication Option Card............................................................................................... 264A.9 H Parameters: Multi-Function Terminals ........................................................................269H1: Multi-Function Digital Inputs ..................................................................................................... 269H2: Multi-Function Digital Outputs................................................................................................... 273H3: Multi-Function Analog Inputs .................................................................................................... 276H4: Analog Outputs ......................................................................................................................... 279H5: MEMOBUS/Modbus Serial Communication ............................................................................. 279H6: Pulse Train Input/Output........................................................................................................... 280A.10 L: Protection Function ......................................................................................................282L1: Motor Protection ........................................................................................................................ 282L2: Momentary Power Loss Ride-Thru............................................................................................ 283L3: Stall Prevention ......................................................................................................................... 284L4: Speed Detection........................................................................................................................ 285L5: Fault Restart.............................................................................................................................. 286L6: Torque Detection....................................................................................................................... 286L7: Torque Limit .............................................................................................................................. 287L8: Drive Protection......................................................................................................................... 288A.11 n: Special Adjustment.......................................................................................................290Table of Contents6 YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual