Interpreting modulećtoćplc data (reads) chapter 6, Word assignment, Module configuration word (word 1) – Rockwell Automation 1771-QB Linear Pos. User Manual

Page 63

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Interpreting ModuleĆtoĆPLC Data

(READS)

Chapter 6

6Ć2

Word Assignment

The assignment of the words within the status block is as follows:

Figure 6.1

Status Block Word Assignments

50000

WORD

DESCRIPTION

AXIS 1

AXIS 2

1

2

3

4

5

10

12

13

16

17

20

22

24

26

28

30

32

(6)

(7)

(8)

(9)

(11)

(14)

(15)

(18)

(19)

(21)

(23)

(25)

(27)

(29)

(31)

(33)

Module Configuration Word

Status word 1

Status word 2

(MS) Position/Error/Diagnostic word

(LS) Position/Error/Diagnostic word

Active motion segment/setpoint

(MS) Position

(LS) Position

(MS) Following Error

(LS) Following Error

Measured Velocity

Desired Velocity

Desired Acceleration

Desired Deceleration

% Analog Output

Maximum Positive Velocity

Maximum Negative Velocity

Default Status

Extended Status

Module Configuration Word (word 1)

Bits 0 to 8 are controlled by the parameter control word in the parameter block.
Module configuration information includes number of axes, units of
measurement, number format, binary position format (single or double word),
and the state (enabled or disabled) of the start/stop enhancement, discrete input,
analog output and transducer interface bits. Detailed descriptions of these are in
Chapter 7.

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