Siemens SITRANS FC410, Руководство по эксплуатации, Страница: 39 / 160

FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
37
Connecting
5
This chapter describes how the device is connected and integrated into a Modbus network in
a point-to-point or multidrop configuration.
5.1 Wiring in hazardous locations
Hazardous area applications
Special requirements apply to the location and interconnection of flowmeter and flameproof
conduit seals. Two conduit seals per device must be installed; one at the device in the
hazardous location and one in the non-hazardous location.
WARNING
MFL housing
Before opening the MFL housing check that:
•
No explosion hazard exists
• All connection leads are potential free
5.2 Cable requirements
Cable specifications
● Only use cables with at least the same degree of protection as the sensor to install the
sensor. It is recommended to use cables supplied by Siemens A/S, Flow Instruments.
● Siemens supplied cables can be ordered with M12 plug on both ends or without plug.
● To guarantee the IP67 degree of protection, ensure that both ends of the cables are given
equivalent protection from ingress of moisture.
● For further information on Siemens-supplied cables, see Technical Data (Page 101).