Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 160)

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11282-I
Section 4B
Connecting the 3-axis Servo Module
4B-14
Figure 4B.12
Connector CN13 Pin Assignments
Pin No. Signal Description Signal Destination
1 +5V dc +5V dc Encoder Power Supply Absolute or Incremental
Encoder
2 N.C. ______ _____
Table 4B.C lists the digital servo module input specifications.
Table 4B.C
Digital Servo Module Input Specifications
Item Specification Remark
Input Power Range for Encoders +5V (+10%, -1%)
+15V (± 7%)
From Main Power Supply
Maximum Input Frequency of
Encoder Feedback
546KHz _______
Desired Voltage Range of
Encoder Battery Backup
3.5V to 4.5V ______
Table 4B.D lists the digital servo module output specifications.
Table 4B.D
Digital Servo Module Output Specifications
Item Specification Remark
PWM Output PWM Frequency Approx. 2.5 KHz
PWM Signal Type RS-422-A
DAC Output Output Voltage Range ± 10V
Resolution 2.44mV ( ± 12 bits)
Sampling Frequency 500 Hz
Output Current 5mA Max.
Load Capacitance 0.01 m F Max.
4B.2.2
Digital Servo Module
Specifications