Siemens SIMATIC NET PROFIBUS manual Mounting/Attaching the LAN Cables

Passive Components for RS-485 Networks

4.7.4Mounting/Attaching the LAN Cables

The bus terminal can be mounted in three different ways:

SBy snapping it on to a 15 x 35 mm standard DIN rail (DIN EN50022-35x15)

SBy screwing the unit to a mounting plate using two fillister head screws. Figure 4-31 shows the drilling diagram for mounting the unit.

42.5 mm

Thread M4 or through-hole 4.2 mm

Top edge of bus terminal

50 mm

67.3 mm

50 mm

Figure 4-31 Drilling Diagram for the Bus Terminal

SWall mounting (brick, concrete). Fittings required: 2 x 5 mm plugs,

2 round head wood screws size 3.5 mm and 2 washers 4.3 mm inner diameter. The holes must be drilled as shown in Figure 4-31.

PROFIBUS Networks SIMATIC NET	4-55
6GK1970-5CA20-0AA1 Release 2 05/2000