Wiring Rules; Pinout Of The Profibus-Dp Terminal Connection - Siemens Metro 21 M216KA Operator's Manual

3.3

Wiring Rules

Rules for Wiring
Table 3-2

Pinout of the PROFIBUS-DP Terminal Connection

Rules for ...
Suitable cable cross-sections:
Solid cables
Flexible cables
Without wire end ferrule
With wire end ferrule
Number of cables per connection
Max. diameter of cable insulation
Insulation stripping length of the cables
Without insulation collars
With insulation collars
Wire end ferrule in accordance
with DIN 46228
Without insulation collars
With insulation collars
2
– 0.25 to 1.0 mm
2
– 1.5 mm
Blade width of the screwdriver
Tightening torque for connecting cables
(not applicable to spring terminals)
Ground connection
Terminal Block
with Screw-Type
Terminal
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
The table below shows you what you must observe when wiring the terminal
block and the supplementary terminal.
Spring Terminal
0.14 to 1.5 mm
0.14 to 1.5 mm
1 or combination of 2 cables to a total of 1.5 mm
Shape A; up to 12 mm long
Shape E; up to 12 mm long
Shape E; 12 mm long
To wire the terminal block (screw-type terminal), proceed as follows:
1. Strip the insulation of the wires down to 11 mm.
2. Connect the conductors. Begin on the left under the terminal block.
3. Screw the ends of the cables onto the terminal block with a tightening
torque of 0.5 Nm. Tighten the screws on the unwired terminals as well.
Terminal block
Screw-Type Terminal
2
(for PI connection: 2.5 mm
2
(for PI connection: 2.5 mm
2
0.14 to 1.5 mm
rule
3.1 mm
3.8 mm for 2.5 mm
7 to 11 mm
7 to 11 mm
Shape A; up to 12 mm long
Shape E; up to 12 mm long*
Shape E; 18 mm long*
3.5 mm (cylindrical design)
–
2
up to 6 mm in cable lug for M4 screw
Wiring
2
)
2
)
2
in one wire end fer-
2
0.4 to 0.7 Nm
3-9