Power supply (continued)
Current at make
According to table 4, IEC 1158-2
Power failure
• LED → off
• The totalizer remains at the value last shown.
• All programmed data remain in the EEPROM.
Certificates and approvals
Ex approval Ex i:
ATEX/CENELEC f II2G, EEx ib/ia IIC T1...T6
ATEX f II3G, EEx nA IIC T1...T6 X
FM Cl I/II/III Div 1, Groups A...G
CSA Class I Div 1, Groups A...D
Class II Div 1, Groups E...G
Class III Div 1
More information can be found in the separate Ex documentation.
CE mark
By attaching the CE mark, Endress+Hauser confirms that Prowirl 77 has
been successfully tested and fulfils all legal requirements of the relevant
EC directives.
Ordering
Accessories
• Mounting set for wafer
• Replacement parts according to separate price list
• Flow conditioner
Supplementary
documentation
• Technical Information
“Field Communication, Notes PROFIBUS-PA” TI 260F/00/en
• Technical Information Prowirl 77 TI 040D/06/en
• Operating Manual Prowirl 77 “PFM” BA 034D/06/en
• Operating Manual Prowirl 77 “4...20 mA/HART” BA 032D/06/en
• System Information Prowirl SI 015D/06/en
• System Information Prowirl 77 SI 021D/06/en
• Ex documentation
ATEX II2G/CENELEC Zone 1 XA 017D/06/a3
ATEX II3G/CENELEC Zone 2 XA 018D/06/a3
FM EX 016D/06/a2
CSA EX 017D/06/D2
External standards and guidelines
EN 50170 Volume 2, PROFIBUS
EN 60529 IP ingress protection
EN 61010 Protection Measures for Electrical Equipment for Measurement, Control,
Regulation and Laboratory Procedures
EN 50081 Part 1 and 2 (interference emission)
EN 50082 Part 1 and 2 (interference immunity)
NAMUR Association of Standards for Control and Regulation in the Chemical Industry
(Normenabeitsgemeinschaft fürMeß- und Regeltechnik in der Chemischen Industrie)
NACE National Association of Corrosion Engineers
PNO PROFIBUS user organization: PROFIBUS-PA Profiles for Process Control Devices V2.0
Prowirl 77 PROFIBUS-PA 9 Technical Data
Endress+Hauser 59
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