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46
List of Figures
9.
Set the enclosure cover with the printed circuit board onto the enclosure
bottom of the EnOcean Gateway and close it by turning gently to the left.
DIN-rail mounting is also possible when the Gateway is closed.
As an alternative, the EnOcean Gateway can be completely prepared before
mounting and then mounted to a DIN-rail when closed.
5.5
External Antenna Connection
To increase radio range, an external antenna can be connected to the EnOcean
Gateway.
Switching between internal and external antennas is selected with a DIP switch;
see Section "Operating Elements".
Only use the Magnetic-Mount Antennas from WAGO.
Only use the WAGO Magnetic-Mount Antenna GSM 850/2100 (Art. No.:
758-911) as external antenna for the EnOcean Gateway.
The technical properties and compliance with the EMC and R&TTE Directives
are only ensured when these antennas are used.
5.5.1
Installation Information
Observe the following notes for install an external antenna (not included in scope
of delivery):
•
The antenna must be mounted on a plate measuring at least 25 × 25 cm
(10 × 10 in.).
•
The antenna and the antenna line must be at least 30 cm (12 in.) away
from interference sources.
There must be a free space of at least 35 cm (13.75 in.) between the
antenna and the closest wall.
•
The antenna cable must not, under any circumstances, be bent sharply,
since irreversible damage may result to the antenna line (RG174 bending
radius > 15 mm / 0.59 in.).
5.5.2
Installation for Mechanical Stress Conditions
Mechanical stress such as vibration, shock, etc., may strain and break cables.
Therefore, suitable measures to fasten the antenna cable must be taken; e.g., in
the strain relief on the EnOcean Gateway enclosure.
Manual
Version 1.3.0, valid from FW/HW Version 01/01
750-940 EnOcean RS-485 Gateway; 868 MHz
WAGO I/O System 750
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