Siemens SIMATIC S5 Equipment Manual

Matching Module 2 for Absolute Encoders
R 02/92
5.2
Block Diagram
5–pole fropt connector
1
r
I External Encoder
104 1 )3
,02
101
100
P 24
V
voltage
t
---- --------
‘------r-----t------t-- ‘-
-----
---
I
D4C4B4A4 D3C3B3A3
D2C2B2A2
D1 Cl 61 Al
DO CO 60 AO
A
P 24 V
Signal Conditioning
E;;.
D4 . . . to . . . AO
voltage
S1
1
i
1
Addresses
Data
AO Addresses
output Memory T 4
T Control Logic
------------------
-------------------------------
Addresses
Dual
~~BCD
,--
“The actual current value is immediately taken over after power is switched on if
both module and encoder are turned on at the same time. If the encoder is turned on
later, however, the current value can assume undefined states and is not taken over
correctly until the AO position is changed.
if pseudo –tetrades occur, then the encoder signal maybe too slow.
Correction: Match delay with C21.
Watch out for correct settinas in accordance with section 5.3.1.
5–2
1P 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)