2.4.2 Mechanical Encoding
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Pos.
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Fig. 197: Possible positions for mechanical encoding (1 to 18)
NOTICE!
Terminal units and terminal bases have a mechanical coding which prevents
that modules are inserted to wrong places for cases that might result in dan-
gerous parasitic voltages or if modules could be destroyed.
The coding either makes it impossible to insert the module to the wrong place or blocks its elec-
trical function (outputs are not activated).
The following figures show the possible encodings.
For processor modules with Ethernet interface:
For processor modules with ARCNET interface:
System Assembly, Construction and Connection
Overall Information (valid for complete AC500 Product Family) > Mechanical Encoding
2019/04/17 3ADR010121, 13, en_US 1181
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