Parker IPA-15HC - IPA Protective Circuits; IPA Short Circuit Protection

ADDITIONAL SPECIFICATIONS
IPA Hardware Installation Guide 85
Amplifier
Description
Specification
Control Power: all models
120/240 VAC (90-265 VAC) Single Phase Mains Control Power
Motor Power: all models
Single Phase AC Input, 120/240 VAC (90-265 VAC) 16 or 32 kHz switching
frequency (motor dependent), pulse-width modulated (PWM) with 3-phase
motor output
Current Loop Update Rate
31.25 μs
Velocity and Position Loop
125 μs
Performance
Description
Specification
Accuracy
±1 encoder count; encoder dependent
Maximum Primary Encoder
Input Freq. (pre-quadrature)
2.4 MHz
Maximum Secondary Encoder
Input Freq. (pre-quadrature)
1 MHz
Protective Circuits
Short Circuit Protection
The IPA drive has an internal circuit that protects it from short circuits between one motor terminal to another
(phase to phase), or from any motor terminal to earth.
Description
Specification
Short Circuit Fault—Cause
Phase-to-phase short circuit
Phase-to-earth short circuit
Results of Fault
Power to motor is turned off
Drive status word is updated via Ethernet to the PC
(See the table “LED Short Circuit Fault”)
LED Short Circuit Fault
LED Middle
LED Top
Yellow &
1 Green (blinking)
Red