Rockwell Automation 1771-SF1 SERVO INT MOD User Manual

Page 18

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Programming and Operation

Chapter 3

3Ć6

Table 3.B

Servo Control Features

Control Function

Memory Address

DSEN Line

Comments

DAC Data, MSBY

600EH Write

16

8Ćbit byte

DAC Data, LSBY

600DH Write

15

Upper 4 bits of byte

Target Value Preset

600CH Write

14

0Ć255

10

in binary

Control Byte

600FH Write

17

Bit 2 limits drive current .

Bit 3 turns OFF the servo amplifier.

Data Byte Reset Command

600BH Write

13

Resets DAC data, Target

Value Preset and Control Byte by

loading zeros (Also reset at

powerĆup)

Read Counter Accum Value

6008H Read

10

0Ć255

10

in binary

Counter Reset

6009H Write

11

Resets counters and decoder logic

by loading zeros (Also reset at

powerĆup).

Marker Latch Reset

600AH Write

12

Resets the Marker Latch

Refer to the Micro Controller Users Manual (Publication No. 1771Ć6.5.5) for additional information on developing the

program to perform the various functions of the servo interface module.

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