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Program Controller SE-707
© 2018 by STANGE Elektronik GmbH
Subject to technical modifications
29
6.5 Packaging the CAN cable with shield connection
The preparation of the data and signal cables is an important factor for the electromagnetic compatibility (EMC) of this
SE-707, both in terms of interference immunity and emission.
The
RS232
interface and
CAN
interface are connected via D sub miniature plug connectors in accordance with DIN 41652.
Only use metal or metallised connector casings with a cable clamp for strain relief fastened or clamped on the connector. The
clamping of the cable shield ensures an optimum contact area and a low impedance connection with the connector casing of
the SE-707 program controller.
The following procedure is recommended for making the low-impedance connection for the cable shield:
1.
Strip the cable.
2.
Shorten the exposed shield braid by approx. 3 cm.
3.
Turn back the braid over the cable sheath.
4.
Use a heat shrinkable tubing or rubber grommet to cover the exposed cable sheath with the folded back shield braid
so that 5 to 8 mm of exposed cable shield is left at the sheath end and is cleanly covered at the back.
5.
Fit the connector
6.
The cable is then fastened at the exposed shield braid and the cable sheath below it directly underneath the cable
clamp strap of the connector casing.
ATTENTION:
When using plastic plugs, with which the strain relief is not connected with the plug earth
connection, the screen network must be soldered on directly at the plug earth connection.
Connection SE
DSUB 9pol.
Socket
2
7
3
6
shield
4
5
220 Ohm terminal resistance
is active in the SE-707 via bridge
Plug housing
put shield on
plug housings
Line:
Execution: twisted in pairs with common shield. Shield presented on one side of the unit.
(e.g.: HELUKABEL “Li-2YCY” (2x2x0.22 / Order.-No.: 21111))
Connection CAN – Base or SIOS
DSUB 9pol.
Socket
2 CAN -Low
7 CAN-High
3
6
4
5
Plug housing
Line:
twisted in
pairs
Содержание SE-707
Страница 179: ...SE 7xx REFERENCE LISTS Function Inputs FI 2 ...
Страница 208: ...SE 7xx REFERENCE LISTS Function Outputs FO 2 ...