MICRO PANEL
Device description GF0
Connection to the communication interface
Technical subject to change
M000235-01.DOC
© by Micro Innovation
17
7.2 P
REPARING THE SHIELD CONNECTIONS
The connections on the Micro Panel GF0 and especially the communications card are mostly
implemented with D-subminiature connectors in accordance with DIN 41652. Only use metal or
metallised connector casings with a cable clamp for strain relief fastened or clamped on one side of
the connector. The clamping of the cable shield ensures an optimum contact area and a low
impedance connection with the connector casing of the Micro Panel GF0.
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.
M etal or metallis ed
D-subm iniature co nnector
M etallic
connector shro ud
Fastening
screw s UNC
connector casing
Heat shrinkab le
tubing for covering
the s hield braid
Shie ld braid p ulle d
back over the
cable s heat h
Strap for cable clamp
and co ntacting of the
cable s hield w it h the
connector casing
If plug connectors are used for communications cards (not D-subminiature plug
connectors to DIN 41652), then follow the instructions in the relevant document
descriptions.
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