Siemens SIMATIC S5 Equipment Manual

Matching Module 2 for Abaolute Encoders
R 02/92
Instructions for conditioning the input circuitry
– In the encoder impedance range from 6 k!d to 10 k$l, wire jumpers can be inserted for R103,
R104, R105.
El
~:
– Below 6 kQ encoder impedance, the resistor networks must be individually {
computed.
Ill
,,,,
– The high level at R106 or R107 must be between 3 V and 5 V.
– The low level at
R106 or R107 must be below or equal to 0.8 V.
+ 24 V
- . ----------- .--.-.-J
? R103 (RI O4IR1O5)
h
4
: U 2 minimum = 3 V
R106 (R107)
M
: U 2 maximum = 5 V
* – R2 X (U – U2)
U2
– R–Encoder
Explanation:
R
=
R2
=
U2
=
u
R–Encoder :
R103, R104, R105
R106, RI 07 (1 .5 kQ)
Voltage at R106, R107 (min. 3 V, max. 5 V)
Encoder voltage (24 V)
Encoder impedance (see label or data sheet)
How to proceed:
a) Compute the value R max. with U2 min. (3 V)
b) Compute the value R min. with U2 max. (5 V)
c) Select the resistor network according to E–series (between R max. and R min.)
1111
p: ,
Only resistor networks consisting of single resistors maybe used.
See the technical specifications, section 8.6.
n
5–4
1P 241 Equipment Manual
@.SiemensA(31989, order No.: 6ES5898-0KD21
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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)