Bit/worddefinitions for block transfer readwords – Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual
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How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
Incremental Encoder Module (1794ĆID2) Image Table Mapping
Module Image
I/O Image
Input Size
Output Size
0 to 7 Word s
1 to 8 Word s
G0 Z0
B0 A0
S1 S0 C1 C0
R
Z1
G1
A1
B1
PD0
PD1
Store 0 - SavedCounter Value on channel 0
Store 1 - SavedCounter Value on channel 1
Channel 0 - current counter value on channel 0
Channel 1 - current counter value on channel 1
Channel 0 - Counter wordreadback
Channel 1 - Counter wordreadback
Code for identification of software version
Channel 0 Control Word- sets the function of counter 0
Channel 1 Control Word- sets the function of counter 1
Channel 0 Preset - value to loador compare with counter 0
Channel 1 Preset - value to loador compare with counter 1
Not used
Not used
Control Word2 - Sets filter function for both channels
Bit/WordDefinitions for Block Transfer ReadWords
for the
Pulse Counter Module
Word
Bit
Definition
Read
Word1
Bit 00
Status for input A (pulse transmitter 0) - This bit, when set, indicates a signal at A.
Word1
Bit 01
Status for input B (pulse transmitter 0) - This bit, when set, indicates a signal at B.
Bit 02
Status for input Z (pulse transmitter 0) - This bit, when set, indicates a signal at Z.
Bit 03
Status for input G (pulse transmitter 0) -This bit, when set, indicates a signal at G.
Bit 04
Status for input A (pulse transmitter 1) - This bit, when set, indicates a signal at A.
Bit 05
Status for input B (pulse transmitter 1) - This bit, when set, indicates a signal at B.
Bit 06
Status for input Z (pulse transmitter 1) - This bit, when set, indicates a signal at Z.