Block Diagram - Siemens SIMATIC S5 Equipment Manual

Matching Module 4 for Absolute Encoders
7.2

Block Diagram

LOOP IN– LOOP IN+
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r
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i Gray ~
. . . . . . . .
L
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BR1
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i Gray
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Reverse direc–
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tion of rotation
Shift register
I
II
Data
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D19 . . .
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Data
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Output memory
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. -.-. —. —------ . -. —.-. —.-. —.-. —. —. —.-. -.-. -.-. -.-. —.-. —.-. —.-. . ..—.
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7 – 4
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LOOP IN+ LOOP OUT–
LOOP IN–
. . . . . . . . . . . . . .
J
1
Clock pulse group conditioning
Data Clock
pulse
I
Addresses
T
Control logic
Encoder
voltage S+
LOOP OUT+
Encoder
TB
group
Frequency scaler
Clock pulse conditioning
Data
Data
Parameter
memory
@SiemensA(31989, Order
No.: 6135 gg8-0KD21
R 02/92
External P 4 V
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P 24 V
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Addresses i