Siemens 7XV5662-0AB00 Manual page 46

English
Strip the connecting wires to a length of 6 mm, insert them into the screw terminals as far as
they will go in, and secure them so that they will not slip out while tightening the screw. After
tightening the screws, verify that the wires to the terminals are tightly connected.
Signal connections
Direct connection: Solid or stranded conductors with end ferrules
for cross-sections of 0.13 mm
Use copper conductors only!
Voltage connections
Direct connection: Solid or stranded conductors with end ferrules
for cross-sections of 0.13 mm
Use copper conductors only!
DSUB–connector
A 15-pole DSUB–connector serves as the connection for the interface X.21 (Figure 24).
Standard 15-pin D-subminiature plug connectors conforming to MIL–C–24308 and DIN 41652
can be used.
Figure 24 DSUB–connector
The 15-strand data line should be twisted and, if possible, screened. The pin assignment can
be seen in Figure 25. The byte–timing is not supported. The cable length for the maximum
transmission speed (512 kBit/s) must be ≤ 100 m (300 ft). Between the CC–S
interface of the communication device, it is recommended to have short connenctions, in
order to avoid electrical interferences. The CC–S
cation device (DCE).
46
2 2
to 0.52 mm , corresponding to AWG 26 to 20.
2 2
to 0.52 mm , corresponding to AWG 26 to 20.
0
should be installed near to the communi-
and the X.21
0
C53000-B1174-C151-1