Bosch Rexroth VFC 3210, Руководство по эксплуатации, Страница: 24 / 282

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12.7.2 Frequency Arrival............................................................................... 129
12.7.3 Frequency Level Detection................................................................. 130
12.7.4 High Resolution Current Display........................................................ 131
12.8
Simple PLC........................................................................................ 132
12.8.1 Function Description......................................................................... 132
12.8.2 Set the Simple PLC Mode.................................................................. 133
12.8.3 Set Speed / Direction / Acceleration and Deceleration Time............ 134
12.8.4 Stop and Pause Simple PLC Control................................................. 136
12.8.5 Indication of Simple PLC Status........................................................ 137
12.9
PID Control........................................................................................ 139
12.9.1 Function Description......................................................................... 139
12.9.2 Selecting the Reference and Feedback.............................................. 140
12.9.3 Control Loop Configuration............................................................... 141
12.9.4 PID Regulation Mode Setting............................................................. 142
12.9.5 PID Feedforward Control................................................................... 143
12.9.6 PID Deactivation by Digital Input....................................................... 144
12.9.7 PID Engineering Value Display........................................................... 144
12.9.8 PID Status Indication......................................................................... 145
12.9.9 Sleep / Wake Function....................................................................... 146
12.9.10 Pump Protection Function................................................................. 148
12.10 Protection Functions.......................................................................... 150
12.10.1 Converter Protection......................................................................... 150
Overload pre-warning........................................................................ 150
Stall overvoltage prevention.............................................................. 151
Stall overcurrent prevention.............................................................. 152
Phase loss protection........................................................................ 154
Analog Input Broken Wire Detection.................................................. 154
12.10.2 Reaction to External Error Signals..................................................... 155
12.10.3 Motor Protection................................................................................ 157
Motor derating frequency at low speed............................................. 157
Motor thermal protection without temperature sensor..................... 158
Motor overload pre-warning............................................................... 158
Motor thermal protection with temperature sensor.......................... 159
12.10.4 Power loss ride-through mode........................................................... 161
12.11 Motor Control.................................................................................... 162
12.11.1 Expert mode...................................................................................... 162
12.11.2 Motor Parameterization..................................................................... 162
Nameplate parameters configuration................................................ 162
Bosch Rexroth AG
Table of Contents VFC 3210
XXII
DOK-RCON04-VFC3210****-IT01-EN-P