R 02/92 Matching Module 3 for Absolute Encoders
6.3.2 Matching the Measured Value Ranges
Measuring range
Circuit~
 
0
R29
R30
R31
+/– 100 
mV
1 
I@
 
1’%
1 
k~
 1% 100 
k~
 1%
+1–
 
1
 v
10 
k~
 
1’%.
9,1 
k~
 1%
100 
k~
 1%
+/–
 10 
v 
@
10 
k~
 
1’%.
5,1 
k~
 1%
10 
k~
 
17.
+1-
 20 
mA
25 
~
 1%
18
 
~
  IYo
500 
Q
 1%
@
 See layout plan for analog module, section 6.3.4.
@
 State as delivered.
The reference voltage of + 10 
V/O.l
 A is available at pin 18 of the front connector.
The input impedance at pin 1 corresponds to 
R29.
6.3.3 Connector Pin Assignment
Assignment of the sub D connector pins (channel 1 or 2)
1
 U or I (+) connection
18 + 10 V Reference voltage
2 Ground reference voltage 19
3
20
4
5
;;
6
23
24
:
25
26
1:
27
11
28
12
13
::
14
31
32
;;
33 M
17 M
Pins 17/33/50 are parallel and thus can be used alternatively.
34
35 U or 1 (–) connection
36
37
38
39
40
41
42
43
44
45
%
48
49
50 M
1P
 241 Equipment Manual
~
 
Siemens
 
AG
 1989, Order No.: 6ES5 998-0KD21
6–5
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