Endress+Hauser Mycom CLM 152 Operating Instructions Manual page 18

Installation
Technical data
if external power supply used:
Internal aux. voltage (terminals 21/22)
Connection of FCYP
Fig. 4.12 module
16
Contact inputs (terminals 81 – 84)
Terminal voltage
Current drain
Isolating voltage
Power voltage
FCYP additional module
PROFIBUS
99
4.4.2 Connecting the Mycom CLM 152-Z in Ex zone
General instructions on Installation in hazardous areas
Instruments with the letter Z in their model
designation are produced and tested in
compliance with the harmonised European
standards (CENELEC) for "Electrical
equipment for hazardous areas". A copy of
the conformity certificates issued by DMT is
enclosed with this instruction manual.
Instruments with version »C« have the
canadian Ex approval acc. CSA.
Instruments withh version »F« have the
US-american Ex approval acc. FM.
There are detailed standards covering both
production and operation in Germany,
including:
• "Ordinance on electrical systems in
hazardous areas" (Elex V)
Make sure you comply with DIN VDE 0165
when installing your equipment! Make sure
you comply with Elex V § 9 when you
repair or modify electrical equipment!
• "Ordinance on flammable liquids" (VbF)
• "Equipment Safety Act" (GSG)
• "Explosion guidelines of Professional
Association for the Chemical Industry"
(EX-RL)
• "Accidenti prevention regulations (UVV):
Electrical systems and equipment"
The Mycom CLM 152-Z measuring transmitter
built in compliance with Ex regulations may
be installed in Zones 1 and 2.
passive, power supply required
max. 30 V, nominal 12 V
nominal ≈ 2 mA
electrical isolation max. 276 V rms
20 V at 30 mA
PROFIBUS-PA digital port:
®
98
99
98
For more information, see Chapter 10
profibus.cdr
Conductive conductivity sensors from
Endress+Hauser can be operated in Zone 1
without a special permit. Other equipment
may only be connected to the Mycom
measuring transmitter in Ex version (Z series)
if the equipment has an intrinsically safe
electrical input circuit.
The CLS 50 inductive sensor has a system
permit with CLM 152
Mycom CLM 152
PA–
PA+
Warning:
•
The display cover must be closed
when the instrument runs in
continuous duty.
•
The connection compartment
cover may only be opened when
the mains supply is switched off.
Note:
Helpful information on installing and
operating electrical equipment in
hazardous areas are contained in
the Endress+Hauser Basic
Information brochure Gl 003/11/e,
"Explosion protection of electrical
equipment and systems".
You can obtain this brochure from
any Endress+Hauser sales office.
Endress+Hauser