Counter configuration (configuration word 1), Filter selection (configuration word 2, Filter selection – Rockwell Automation 1734-IK Encoder/Counter Modules User Manual User Manual
Page 37: This byte sets the a/b/z input filters
Publication 1734-UM006B-EN-P - August 2005
Input and Output Data 3-5
Counter Configuration (Configuration Word 1)
Use this byte to select the type of counter desired.
Filter Selection (Configuration Word 2
This byte sets the A/B/Z input filters
Filter Selection
07
06
05
04
03
02
01
00
ZI
MD
CF
Counter 0
0
0
0
0
Counter
0
0
0
1
Encoder X1
0
0
1
0
Encoder X2
0
0
1
1
Reserved
0
1
0
0
Encoder X4
0
1
0
1
Period/Rate
0
1
1
0
Reserved
0
1
1
1
Rate Measurement
0
0
0
Store Count Disabled
0
0
1
Mode 1 - store/continue
0
1
0
Mode 2 - store/wait/resume
0
1
1
Mode 3 - store, reset/wait/start
1
0
0
Mode 4 - store, reset/start
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved
0
Z input - 0 = not inverted
1
Z input - 1 = inverted
07
06
05
04
03
02
01
00
0
ZF
BF
AF
FS
0
0
0
0
No Filter
0
0
0
1
50kHz (10
µs + 0µs/-1.6µs)
0
0
1
0
5kHz (100
µs + 0µs/-13.2µs)
0
1
0
0
500Hz (1.0ms + 0
µs/-125µs)
1
0
0
0
50Hz (10ms + 0ms/-1.25ms)
0
A input not filtered
1
A input filtered
0
B input not filtered
1
B input filtered
0
Z input not filtered
1
Z input filtered