
xiv
Inverter Protection ...................................................................................... 6-77
Performing Overheating Protection on Mounted Braking Resistors ............................. 6-77
Reducing Inverter Overheating Pre-Alarm Warning Levels ......................................... 6-78
Input Terminal Functions ............................................................................ 6-79
Temporarily Switching Operation between Digital Operator and
Control Circuit Terminals .............................................................................................. 6-79
Blocking Inverter Outputs (Baseblock Commands)...................................................... 6-80
Stopping Acceleration and Deceleration (Acceleration/Deceleration Ramp Hold) ....... 6-81
Raising and Lowering Frequency References Using Contact Signals (UP/DOWN) .... 6-82
Accelerating and Decelerating Constant Frequencies in the Analog References
(+/- Speed) ................................................................................................................... 6-85
Hold Analog Frequency Using User-set Timing ........................................................... 6-86
Switching Operations between a Communications Option Board and
Control Circuit Terminals .............................................................................................. 6-86
Jog Frequency Operation without Forward and Reverse Commands (FJOG/RJOG) . 6-87
Stopping the Inverter by Notifying Programming Device Errors to the Inverter
(External Fault Function) .............................................................................................. 6-88
Output Terminal Functions ......................................................................... 6-89
Monitor Constants ...................................................................................... 6-91
Using the Analog Monitor Constants ............................................................................ 6-91
Using Pulse Train Monitor Contents............................................................................. 6-94
Individual Functions ................................................................................... 6-96
Using MEMOBUS Communications............................................................................. 6-96
Using the Timer Function ........................................................................................... 6-108
Using PID Control....................................................................................................... 6-109
Energy-saving ............................................................................................................ 6-118
Setting Motor Constants............................................................................................. 6-120
Setting the V/f Pattern ................................................................................................ 6-122
Torque Control (SPEC: E or Later Only) .................................................................... 6-129
Speed Control (ASR) Structure .................................................................................. 6-136
Increasing the Speed Reference Response (Feed Forward Control)
(SPEC: E or Later Only) ............................................................................................. 6-142
Droop Control Function (SPEC: E or Later Only)....................................................... 6-143
Zero-servo Function (SPEC: E or Later Only) ............................................................ 6-145
Digital Operator Functions........................................................................ 6-148
Setting Digital Operator Functions ............................................................................. 6-148
Copying Constants ..................................................................................................... 6-151
Prohibiting Writing Constants from the Digital Operator............................................. 6-155
Setting a Password .................................................................................................... 6-155
Displaying User-set Constants Only........................................................................... 6-156
Options..................................................................................................... 6-157
Performing Speed Control with PG ............................................................................ 6-157
Using Digital Output Boards ....................................................................................... 6-161
Using an Analog Reference Board (SPEC: E or Later Only) ..................................... 6-163
Using a Digital Reference Board (SPEC: E or Later Only)......................................... 6-164