Putting Into Operation; Setting The Operating Mode; Conditioningthe Input Levels - Siemens SIMATIC S5 Equipment Manual

R 02/92
4.3

Putting into Operation

4.3.1 Setting the Operating Mode

Function
No change signal
Change signal
Philips glass scale with
half step increments (0.5)
Other encoders
4.3.2 Conditioning the Input Levels
Input voltage (from
Excess–3 gray encoder)
= Signal voltage
5 V ITL
v
12
v
15
24 V
Open Collector
Small disturbances occurring in spite of correct wiring and shielding can be
sifted off with the capacitors Cl to C21.
AG 1989, Order No.: 6ES5 998-0KD21
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DIP switch S1
Position 1
Position 2
cl to C21
10 nF resistor network
(joint point)
as required omitted
as required omitted
as required omitted
as required omitted
as required 899–1 –R 8,2 K
Matching Module 1 for Absolute Encoders
DIP switch S2
I Contact 2
Contact 1
open
closed
I I
open closed
resistor network
resistor network
(joint point)
(single res.)
wire jumpers omitted
899–3–R 2 K 899-1 –R 1,5 K
899=3–R 3,3 K 899-1 -R 1,5 K
899–3–R–? K@ 899-1 –R 1,5 K
wire jumpers 899-1 –R 1,5 K
4 – 3