Installation and basic configuration
Wieland Electric GmbH | BA000970 | 11/2016 (Rev. F)
Electrical installation
910756235
Switch off the power supply to the system!
It is possible for the system to be unexpectedly started while you are connecting the devices.
• samosPRO gateways meet EMC conditions as set out in the EN 61000-6-2 specification
for use in an industrial environment.
• In order to ensure complete EMC safety, the standard rail must be connected to functio-
nal earth (FE).
• The switch box or installation housing for the samosPRO system must meet at least the
requirements of protection class IP 54.
• Installation according to EN 50274.
• Electrical installation as per EN 60204-1.
• The external power supply of the devices must be able to bridge a short-term power ou-
tage of 20 ms in accordance with EN 60204-1.
• The power supply must meet the regulations for low-voltage with safe disconnection
(SELV, PELV) in accordance with EN 60664 and EN 50178 (equipping high-voltage sys-
tems with electronic equipment).
• Ensure that all modules of the samosPRO system, the connected protective devices and
the power supplies are connected to the same ground connection. The ground of the
RS-232 interface is internally connected to the ground of the power supply for the con-
troller module (A2).
• Connect the shielding of all field bus and Ethernet cables to functional earth (FE) just be-
fore they lead into the switch box.
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