Rockwell Automation 1794-ID2 U.MNL INCREMENTAL ENCODER User Manual

Page 48

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4–4

Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter

Publication 1794ĆUM015B-EN-P - May 2001

Definition

Bit

Read

Word

Bit 06

Status for input Z (pulse transmitter 1) - This bit, when set, indicates a signal at Z.

Bit 07

Status for input G (pulse transmitter 1) - This bit, when set, indicates a signal at G.

Bit 08 (10)

Cal 0 - This bit, when set (1), indicates that counter 0 has been calibrated. This bit is reset by CalReset.

Bit 09 (11)

Cal 1 - This bit, when set (1), indicates that counter 1 has been calibrated. This bit is reset by CalReset.

Bit 10 (12)

Store 0 - This bit, when set (1), indicates a counter value is saved in store 0. This bit is reset by StoreReset.

Bit 11 (13)

Store 1 - This bit, when set (1), indicates a counter value is saved in store 1. This bit is reset by StoreReset.

Word 0

continued

Bit 12 (14)

Preset Reached 0 (PR0) - When this bit is set (1), in all configuration modes, the counter 0 value equals the

preset 0 value, either in a positive or negative direction. This bit is reset by PresetReset0 and can only be set

again after at least 1 more pulse.

Bit 13 (15)

Preset Reached 1 (PR1) - When this bit is set (1), in all configuration modes, the counter 1 value equals the

preset 1 value, either in a positive or negative direction. This bit is reset by PresetReset1 and can only be set

again after at least 1 more pulse.

Bit 14 (16)

CTD 0 - Count direction - Increase/decrease counter value of counter 0 set to 0 at startup.

0 = last pulse decreased counter value;

1 = last pulse increased counter value.

Bit 15 (17)

CTD 1 - Count direction - Increase/decrease counter value of counter 1 set to 0 at startup.

0 = last pulse decreased counter value;

1 = last pulse increased counter value.

Word 1

Bits 00-15

(00-17)

Store 0 - Saved counter value on channel 0

Word 2

Bits 00-15

(00-17)

Store 1 - Saved counter value on channel 1

Word 3

Bits 00-15

(00-17)

Channel 0 Current Counter Value- Current value in counter 0

Word 4

Bits 00-15

(00-17)

Channel 1 Current Counter Value- Current value in counter 1

Word 5

Bits 00-15

(00-17)

Channel 0 Readback- Counter word readback - last value written to write word 0

Word 6

Bits 00-15

(00-17)

Channel 0 Readback- Counter word readback - last value written to write word 1

Word 7

Bits 00-15

(00-17)

Revision Read - identification of latest software version code

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