KROHNE IFC 210 E-EEx EN - Manual (Page 58)

Sect. 6.2 Part C Special applications, functional checks, service, and order numbers
IFC 210 E 05/2002
58
6.2 Interfaces
Important, please note!
•
Observe the directions and regulations and the electrical data specified in the
EC type test certificate.
•
In addition to the regulations for heavy-current installations (VDE 0100),
pay particular attention to the requirements specified in EN 60079-14 “Electrical
equipment in hazardous areas”.
•
Assembly, installation, commissioning and maintenance work may only be carried
out by ”personnel trained in explosion protection” !
6.2.1 HART

- interface
The HART ® interface is a smart interface, in other words a communication signal superimposed
on the current output. All functions and parameters can be accessed via this interface.
The following HART
® features are supported:
•
point-to-point connection
•
multidrop (up to 15 HART devices)
The burst mode is not normally used.
Further information about HART is available from the HART
® Communication Foundation, of
which KROHNE is a member.
Electrical connection
HART
®
- active HART
®
- passive
Power supply unit (and section switch amplifier) must be set up accordingly if in use for HART
®
operation.
R
I
R
I
d16 d18 d18 z18
active
to HART
® - communicator
or smart-converter
passive
to next
HART
® - device
power supply unit
to HART
® - communicator
or Smart- converter