Siemens SIMATIC S5 Equipment Manual

Matching Module 3 for Absolute Encoders
R 02/92
Hysteresis Specification
Assumed track distribution:
A = Startin values
Y E = End va ues
05 = Hysteresis value
A~E
1
1
A-E
I I
I I
01
1300
1800
[1000 11200
An actual value fluctuating within the hysteresis limits will cause only one interrupt, when it
reaches a switching point.
All switching points which are reached in one traversing direction cause the exact triggering of an
interrupt. When the direction is reversed, the switching point is shifted by the hysteresis value!
Then the value is exact again.
Accordingly, high hysteresis values entail high losses of accuracy.
The lowest parameterized track value must exceed the hysteresis value.
6–4
IP 241 Equipment Manual
@ Siemens AG 1989, Order No.: 6ES5 998-0KD21
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Siemens SIMATIC S5 Specifications

General

Product type designation	SIMATIC S5
Programming language	STEP 5
Digital inputs	Varies by model
Digital outputs	Varies by model
Analog inputs	Varies by model
Analog outputs	Varies by model
Supply voltage	24V DC
CPU Type	Varies by model
Memory	Varies by model
Digital I/O	Varies by model
Analog I/O	Varies by model
Communication	PROFIBUS
Operating Temperature	0°C to 60°C
Relative Humidity	5% to 95% (non-condensing)