Parker AC30 series - Control Features

Product Overview 3-2
AC30V series Variable Speed Drive
Control Features
The drive is fully featured when controlled using the optional Keypad (or a suitable pc programming tool).
The ‘General’ control features below are not user-selectable when the unit is controlled using the analog and digital inputs and outputs.
General
Output Frequency
Limited to Switching Frequency divided by 8, with a maximum of 590Hz.
e.g. for 4kHz switching frequency it is 4000/8 = 500Hz,
for 16kHz switching frequency it is 590Hz. Refer to Parker SSD for higher output frequency.
Derating of output current may apply, refer to Appendix F Technical Specifications.
Switching Frequency
Minimum 2kHz.
Maximum 8kHz – 16kHz dependent on frame size and motor type (Induction or PMAC)
Voltage Boost for V/F
control
0-25%
Motor Control Modes
Induction motor: VHz control, Sensorless Vector Control, or Closed Loop Vector Control (with
encoder if fitted). Sensorless and Closed Loop Vector require autotune.
PMAC motor: Sensorless Vector Control
Skip Frequencies
Skip frequencies with adjustable skip band width
Preset Speeds
User selectable preset speeds
Stopping Modes
Ramp, Coast, DC Injection, Quickstop
S Ramp and Linear Ramp
Symmetric or asymmetric ramp up and down rates
Raise/Lower
Programmable MOP function
Jog
Programmable jog speed
Diagnostics
Full diagnostic and monitoring facilities
Protection
Trip Conditions
Output short line to line, and line to earth
Overcurrent > 220% HD current
Stall
Heatsink overtemperature
Motor Thermistor overtemperature (using optional GPIO)
Overvoltage and undervoltage
Current Limit
Adjustable 110% (Normal Duty) or 150% (Heavy Duty)
180% shock load limit (Heavy Duty)
Inverse Time
Dual Rating
Normal duty (110% overload for 60s)
Heavy duty (150% overload for 60s)
Inputs/
Outputs
Analog Inputs
2 configurable inputs; voltage or current
Analog Outputs
2 configurable outputs; voltage or current
Digital Inputs
3 configurable 24V dc inputs
Digital I/O
4 configurable 24V dc open collector outputs/digital inputs
Relay Outputs
2 configurable relay output
Table 3-1 Control Features
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