Table of contents
1
Introduction ............................................................................................................................................. 69
1.1
W74x-1PRO/RR .......................................................................................................................... 69
1.2
Type designations........................................................................................................................ 70
2
Description.............................................................................................................................................. 73
2.1
Components of the product ......................................................................................................... 73
2.2
Product properties ....................................................................................................................... 74
2.3
2.4
LED displays................................................................................................................................ 82
2.5
C-PLUG ....................................................................................................................................... 85
2.6
Reset button................................................................................................................................. 85
2.7
Biological compatibility................................................................................................................. 86
3
Mounting ................................................................................................................................................. 87
3.1
Securing the housing ................................................................................................................... 87
3.2
4
Connecting up......................................................................................................................................... 89
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5
Technical specifications .........................................................................................................................105
5.1
5.2
5.3
6
Certification............................................................................................................................................109
6.1
6.2
SCALANCE W788-xPRO/RR / SCALANCE W74x-1PRO/RR
Operating Instructions (Compact), Release 08/2007, A5E00413342-05
67