Table of Contents
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R 11/92
Four-time
A counting pulse is generated for every rising and falling edge of A and B.
The direction of counting depends on the level at inputs A and B.
evaluation (EVFT)
Input A
Input B
Parameter register 1/2
15
Direction
When counting with one counting input, the acquisition of counting pulses
evaluation (EVDI)
occurs at munting input A. The positive edge causes a change in the
counting value (one–time evaluation). Counting input B is used to evaluate
the direction of counting.
Low level at input B:
High level at input B:
Input A
Input B
Upward
pulses
Parameter register 1/2
15
1P 281 Equipment Manual
14
13
12
11
10
9
8
Counting up
Counting down
The counting value can become invalid if the encoder is
oscillating around its actual value.
I
up
14
13
12
11
10
9
8
Operating Modes and Functions
1
I
7
6
5
4
3
2
1
1
0
1
7
6
5
4
3
2
1
1
1
0
I
0
6 – 5
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