Allen-Bradley FLEX I/O 1794-ID2, Руководство пользователя, Страница: 64 / 84

6–6 Input, Output and Configuration Files for Analog Modules when used with ControlNet
Publication 1794-6.5.15 – December 1998
Incremental Encoder Module (1794-ID2) Image Table Mapping
Module Image
ControlNet Files
Input File Size
Output File Size
0 to 4 Words
1 to 8 Words
G0 Z0 B0 A0 S1 S0 C1 C0 R Z1 G1 A1 B1 PD0 PD1
Store 0 – Stored Counter Value on channel 0
Channel 0 – current counter value
Channel 1 – current counter value
Channel 0 – Counter word readback
Code for identification of software version
Channel 0 Control Word – Sets the function of counter 0
Channel 0 Preset – value to load or compare with counter 0
Channel 1 Preset – value to load or compare with counter 1
Store 1 – Stored Counter Value on channel 1
Channel 1 – Counter word readback
Channel 1 Control Word – Sets the function of counter 1
Configuration File Size
0 to 4 Words
Channel 0 Control Word – Sets the function of counter 0
Channel 0 Preset – value to load or compare with counter 0
Channel 1 Preset – value to load or compare with counter 1
Channel 1 Control Word – Sets the function of counter 1
Bit/Word Definitions for Block Transfer Read Words
for the
Incremental Encoder Module
Input Word Bit Definition
Bit 00 Status for input A (pulse transmitter 0) – This bit, when set, indicates a signal at A.
Bit 01 Status for input B (pulse transmitter 0) – This bit, when set, indicates a signal at B.
Input Word
0
Bit 02 Status for input Z (pulse transmitter 0) – This bit, when set, indicates a signal at Z.
Input Word
0
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.