Lenze EMF2112IB - Manual (Page 14)

Installation
4-2 BA2112EN
4.2 Mechanical installation
•
If necessary, remove the keypad which was previously attached to the controller before.
•
Plug the 2112 fieldbus module into the corresponding interface of the controller and fasten it
with the fixing screw (see Fig. 4-1).
Tighten the screws to ensure a good PE connection.
4.3 Electrical installation
Tip!
The communciation of 820X and 821X controllers may be disrupted by electromagnetic radiation.
If necessary, use an additional PE screen cable.
4.3.1 Voltage supply
No special or external voltage supplies necessary. The 2112 fieldbus module is supplied via
INTERBUS-Loop.
4.3.2 Features:
Communication medium INTERBUS-Loop
Network topology Ring
Possible number of controllers – Max. load capacity of the loops: 1.8 A
– Current consumption per 2112 fieldbus
module:
50 mA
Å Max. number of participants: 36
Max. loop length 200 m
Distance between fieldbus modules 20 m
Maximum baud rate 500 kbit/s
For an example of the INTERBUS structure, see the drawing (Fig. 4-2). The accessories required
(INTERBUS Loop terminal) are listed in chapter 8.
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