Siemens simatic c7-621 Hardware Installation Manual page 55

Cabling Rules When laying the PROFIBUS LAN cable, make sure you keep to the
following rules:
When laying the interior LAN cable, the following restrictions must also be
taken into account (d
Table 3-5
Bending radius (bending once)
Bending radius (repeated bending)
Permitted temperature range during installation
Permitted temperature range during storage and
when installed
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
Do not twist the cable
Do not stretch the cable
Do not crimp the cable
= outer diameter of the cable):
O
Restrictions when Laying the Interior LAN Cable
Characteristics
Configuring an MPI Network
Limits
80 mm (10 d )
O
160 mm (20 d
O
- 5 C to + 50 C
- 30 C to + 65 C
3-11
)