Parker ACR7000 - Encoder Signal Assignments; Encoder Electrical;Timing Characteristics

ELECTRICAL INSTALLATION
ACR7000 Controller Controller Installation Guide 31
Encoder Signal Assignments
Mode
Axis Connector Signal
Supported Features
Encoder
CHA
Encoder
CHB
Position
Capture
1
Quadrature
CHA
CHB
Yes
Step and
Direction
STEP DIR Yes
CW and CCW
CW
CCW
Yes
SSI
SCLK
SDATA
No
1. For more information on position capture, refer to the INTCAP command in
Online Help System in Parker Motion Manager software
Encoder Electrical/Timing Characteristics
Description
Min
Max
Units
Pre-Quadrature frequency
0
5.0
MHz
Post-Quadrature frequency
0
20.0
MHz
Duty cycle (pre-quad frequency ≤ 2.5 MHz)
30
70
%
Duty cycle (pre-quad frequency > 2.5 MHz)
40
60
%
Receiver Differential Threshold, V
TH
−200
+200
mV
Common mode range, V
CM
−
10
13.2
VDC
Note: All parameters are at the connector pin.
Encoder Circuit Schematic