Rockwell-automation 1771-DE Absolute Encoder Module User Manual Manuel d'utilisateur télécharger pdf (Page 70)

Appendix D

DĆ3

Word

No.

Description

Bit No.

06 W

rite-data-valid bit - bit is set at power up

and when the processor changes from

program to run mode; it is reset when the

module receives valid write data.

05 Unused

Non-BCD preset flag - bit is set when any

preset is in non-BCD format.

03 through 00 These bits are binary or hexadecimal code

that indicates which of the 16 presets is not in

BCD format. Refer to the next section for

details of these bits.

17 through 00 Current absolute position of encoder in BCD

Value of Diagnostic Bits 00 through 03

non-BCD

digit is in word:

Then it is

preset:

And the Hex

error code is:

And the binary

equivalent is:

2 0A 0 0000

3 0B 1 0001

4 1A 2 0010

5 1B 3 0011

7 2A 4 0100

8 2B 5 0101

9 3A 6 0110

10 3B 7 0111

12 4A 8 1000

13 4B 9 1001

14 5A A 1010

15 5B B 1011

17 6A C 1100

18 6B D 1101

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 79 80

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Rockwell-automation 1771-DE Absolute Encoder Module User Manual Manuel d'utilisateur Page 70