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Installation and connection
3.4 Electrical connection
• Provide a mains disconnection device in the direct vicinity of the device (for load rating,
• Check whether the existing mains voltage agrees with the mains voltage specified on the
Caution
When wiring all electric lines, keep the heat radiation of the device in mind. Keep a distance
>2 cm away from the device housing.
3.4.2
Connection of the signal lines
Warning
Only connect the signal lines with devices which have reliable electric separation from their
power supply.
• Connect the signal lines to the SUB-D plug connectors on the rear of the device.
• The connection lines must be shielded to the relay outputs, the binary inputs, the analog
• The reference ground of the analog inputs is the potential of the housing.
• The analog output is floating.
• The shielding of the interface line must be at the potential of the housing. Connect the
See also
Motherboard pin assignments (Page 3-9)
Plug connector assignment of the optional board and PROFIBUS (Page 3-10)
3-8
see type plate). It must be easily accessible and marked.
type plate.
inputs and the analog output. Connect these to the corresponding trapezoidal plugs
(SUB-D plug connectors) in accordance with the routing assignments.
shield of the line to the shield of the SUB-D plug connector with high contact area. The
core cross-section must be ≥ 0.5 mm². The interface line may be at most 500 m long.
Note
All connection lines (except for the mains connection line) must be shielded. The
shielding of the connected lines must have a large-area and continuous contact at the
respective terminal pieces. The core cross-section must be ≥ 0.5 mm². We recommend
cables of type JE-LiYCY...BD. The cable length of the analog output depends on the
load.
Operating instructions, 07/2006, A5E00478463
FIDAMAT 6-G
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