Publicité
SITRANS FC
Control drawing A5E52688321A/001
Hazardous Area installation Instruction
Certificates
United States
Canada
Installation Notes
The following notes apply to the SITRANS FC series:
i. No revision to this drawing without prior approval of certification agency.
ii. The maximum unclassified voltage, Um is 250 V
iii. Installation in the US shall be in accordance with ANSI/ISA RP12.06.01 "Installation of Intrinsically Safe
Systems for Hazardous (Classified) Locations" and the National Electrical Code (ANSI/NFPA 70), In Canada
the installation shall be in accordance with the Canadian Electrical Code (CSA C22.1) and in other countries
the installation shall be in accordance with IEC 60079-14 or as specified by the local Authority Having
Jurisdiction.
iv. Dust-tight conduit seal must be used when installed in Class II and Class III environments.
Ex-Code
The Ex-Code is a number code shown on sensor's nameplate. It allows the evaluation of ambient and max
process temperatures for each temperature class. If no Ex-code is shown, temperatures are given in the user's
manual. The Ex-Code has the following structure:
a.p6.p5.p4.p3.p2
where a, p6, p5, p4, p3 and p2 are integer numbers with the following meaning:
a:
table index for ambient temperature (column number)
p6:
table index for temperature class T6 for max process temperature (row number)
p5:
table index for temperature class T5 for max process temperature (row number)
p4:
table index for temperature class T4 for max process temperature (row number)
p3:
table index for temperature class T3 for max process temperature (row number)
p2:
table index for temperature class T2 and T1 for max process temperature (row number)
FM23US0039X
FM23CA0029X
or V
ac
dc
Publicité
