Page 38 - Parker - AC890/AC890PX series

Options

AC890/890PX Series
Feedback cards

8902/RE/00 - Resolver Features

The 8902/RE resolver speed feedback option allows the Maximum Speed Up to 50,000 RPM
resolver to be connected directly to the drive to provide (with 2 pole resolver)
highly accurate speed feedback measurement. Contains a Carrier Output Signal 7V rms, 8kHz
arrier output signal to power the resolver. Maximum Carrier Supply 70mA rms

Part Number Description Maximum Input Voltage ±12V peak
Accuracy < 5 minutes
8902/RE/00/00 Optional Resolver feedback card
Resolution Equivalent to 16 bits in one revolution of
Optional Resolver feedback factory- resolver
8902/RE/00/FF
installed Inputs Differential inputs Zin ~2 kΩ
Maximum Input Voltage 12V peak

8902/M1/00 - Sin/Cos Encoder Features

The Sin/Cos Registration Option allow 1Volt peak-to-peak Maximum Pulse Rate 250kHz
Sin/Cos encoders to be connected directly to the motor Receiver Impedance 120Ω
controller to provide highly accurate speed feedback
measurement and registration. It may be used in Input Format 2 differential 1V p-p signals
in quadrature
conjunction with 8903/M1 for systems requiring two
simultaneous encoder inputs. See page 72 for more Encoder Supply 250mA maximum load
information. Supply Voltage 5V/10V adjustable
Part Number Description Terminal Type 15 pin D-Sub connector
Maximum Cable Length 150m shielded cable
8902/M1/00/00 Optional encoder feedback card
Serial Protocol Endat 2.1
Optional encoder f/b card factory-
8902/M1/00/FF
installed

8902/EQ/00 - HTTL Encoder Features

The HTTL 8902/EQ speed feedback option allows Maximum pulse rate 250kHz (differential)
incremental encoders to be connected directly to the drive 200kHz (single ended)
to provide highly accurate speed feedback measurement. Receiver current ≤10mA per channel
Supplies variable voltage isolated encoder power supply.
Input Format Two differential channels in
quadrature
Part Number Description (Clock/direction or clock only)
Input Voltage ±30V (differential), 0-30V (single-
8902/EQ/00/00 Optional HTTL incremental encoder ended)
Input Voltage Differential ±30V maximum
8902/EQ/00/FF Option HTTL encoder factory-installed
Input Voltage Threshold 3V ± 1V (differential)
8V ± 1V (single-ended)
Encoder Power Supply Maximum load 200mA or 2W
Voltage adjustable 10V to 20V by
firmware

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