KROHNE IFC 090 Converter EN - Manual (Page 46)

6/1
Part C Special applications, functional checks,
service, and order numbers
6 Special applications
6.1 Use in hazardous areas
6.2 RS 232 adapter incl. CONFIG software (options)
Electromagnetic flowmeters with IFC 090 signal converter are approved as electrical equipment in
conformity with the harmonized European Standards and Factory Mutual (FM).
Correspondence between the temperature classes and the temperature of the process liquid,
meter size and material of the measuring tube liner is defined in the test certificate.
Test certificate, certificate of conformity and wiring instructions are attached to the
Installation and Operating Instructions (applies only to hazardous-duty equipment).
Please refer to Sect. 3.2 “Factory settings”
Always switch off power source before opening the housing !
1) Unscrew the cover from the electronic compartment using the special wrench.
2) If provided, remove the display unit. For this purpose, detach the two screws R and
fold display unit to the side, see illustration in Sect. 8.5.
3) Insert the RS 232 adapter (forming the connection to the PC or laptop)
into the IMoCom bus plug connector X2; for amplifier PCB, refer to Sect. 8.9.
4) Switch on the power.
5) As described in the supplied instructions, change data, parameters and measured
values or have them called up for display.
6) Switch off the power.
7) Pull off the RS 232 adapter from the amplifier PCB.
8) Secure the display unit with screws R.
9) Replace and tighten down the cover on the electronic compartment using the
special wrench.
NOTE: The screw thread and gasket of the housing cover should be well greased
at all times, always check for signs of damage and never allow dirt to accumulate.
Replace defective gasket immediately.
Operator control can be carried out externally with MS-DOS PC via an RS 232 adapter
incl. CONFIG software
The Basic Version (IFC 090 / B) and the Display Version (IFC 090 / D) of the signal converter
can be operated with this option. Detailed instructions are supplied.