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Appendix

Mercury II 6000 Series Encoders

Installation Manual and Reference Guide

Maximum Quadrature Output Frequency

Output Frequency (MHz)

A-Quad-B Output Rate

(millions of states/sec)

Dwell Time (or edge separation)

(µsec)

12.50

50.00

0.02

6.25

25.00

0.04

3.125

12.50

0.08

1.563

6.25

0.16

0.781

3.125

0.32

0.391

1.5625

0.64

0.195

0.78125

1.28

0.098

0.390625

2.56

0.049

0.1953125

5.12

0.024

0.09765625

10.24

Note*: Values shown are approximate. Exact values may be calculated using either of the

following equations:

𝑂𝑢𝑡𝑝𝑢𝑡 𝐹𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 = 12.5𝑀𝐻𝑧/2^𝑛

where n = number of steps below 12.5MHz

𝑂𝑢𝑡𝑝𝑢𝑡 𝑅𝑎𝑡𝑒 = 50/2^𝑛

where n = number of steps below 50 million states per second

7.3 Wiring Diagrams

15-Pin Standard Male D-sub Connector Configuration

Mercury II 15P D-Sub Pinouts

Quad Output

Function

Right Limit+

GND

Right Limit-

Index-

B-

A-

+5V

GND

Left Limit+

Left Limit-

Index+

B+

A+

Alarm

Note: Alarm: A and B are tri-stated if the encoder signal becomes too low for reliable operation

and pin 15 goes high to 3.3V.

Note: GND and Inner Shield are internally connected.

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 72 73

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