General Information Regarding the Wiring
9
General Information Regarding
the Wiring
9.1
Cable Requirements
The cables described in this chapter meet the SIEB & MEYER requirements for cables
and connectors in order to ensure their proper function.
NOTICE
Risk of cable damage due to mechanical loads
Cables that are exposed to mechanical loads, e.g. trailing chains or similar, must be suit-
ed for this purpose. Otherwise, damage may occur. SIEB & MEYERcables are not suit-
able for trailing chains!
→ The machine manufacturer must ensure that only cables are used that are suitable
for this purpose.
→ All cables used to connect the devices must be equipped with an appropriate strain
relief according to DIN EN 61800-5-1. This is particularly important, if no shield
connection clamps (SK 8-D, SK14-D Phoenix clamps) are used at the chassis
frame.
In general, the following principles apply for the cables (see also documentation „Unit
Assembly Complying EMC‟)
▸
Motor and signal cables must not be wired in the same cable protection hose!
▸
Motor cables must have a wire-meshed shield. They must be wired separately from
signal cables.
▸
Signal lines must have a wire-meshed shield. Differential signals should only be
transmitted with twisted-pair lines. They must be wired separately from motor ca-
bles.
▸
The cable shields must be connected to the connector shell inside of the connec-
tors. In the switch cabinet they should be connected to a ground bus.
▸
Cable shields not ending in a connector inside of the switch cabinet such as motor
cables must be connected to the ground bus.
▸
Both ends of the shield of shielded cables must generally be connected to the shell.
The line cross-sections should be selected carefully so that the maximum admissible
current is not exceeded at the maximum ambient temperature (see technical data).
DIN
VDE 0298-4
defines the admissible values for the individual line cross-sections, which
must absolutely be taken into account.
The current carrying capacity in connection with the line cross-section of copper con-
ductors isolated with PVC or cables according to DIN VDE 0298-4 for different types of
wiring are indicated in the following table: All values are related to an ambient temper-
ature of +40 °C and an operating temperature at the conductor of 70 °C.
Admissible current I [A]
Conductor
cross-sec-
tion A [mm²]
B2 wiring
(1)
E wiring (3 ca-
ble leads)
(2)
F wiring (3 ca-
ble leads)
(3)
0.75
7.6
10.4
–
1.00
9.6
12.4
–
1.50
12.2
16
–
2.50
16.5
22
–
52
Drive Amplifier SD2B plus - 0362171DA1xxxx, 0362171DB1xxxx
