Ex relevant specifications
50 - EN
Sensyflow FMT500-IG
CI/FMT500-IG-EN
11 Ex relevant specifications
11.1 Zone 2/22 version
11.1.1 Marking
Transmitter with remote mount design
Flowmeter sensor with remote mount
design
Integral mount design
II 3G Ex ec IIC T4 Gc
II 3D Ex tb IIIC T115°C Dc
II 3G Ex ec IIC T4 Gc
II 3D Ex tb IIIC T150°C Dc
II 3G Ex ec IIC T4 Gc
II 3D Ex tb IIIC T150°C Dc
T
amb
= -20 ... 50 °C (-4 ... 122 °F)
T
amb
= -20 ... 80 °C (-4 ... 176 °F)
T
medium
= -20 ... 150 °C (-4 ... 302 °F)
T
amb
= -20 ... 50 °C (-4 ... 122 °F)
T
medium
= -20 ... 150 °C (-4 ... 302 °F)
11.1.2 Safety specifications for inputs and outputs
Power supply circuit
Non-sparking type of protection Ex ec II
U
n
= 24 V AC / DC ± 20 %, P
n
< 20 VA
U
n
= 110 ... 230 V AC / DC ± 10 %, P
n
< 20 VA
Analog / HART
Output circuit (active):
Non-sparking type of protection Ex ec II
U
n
= 30 V
Digital output (passive):
Non-sparking type of protection Ex ec II
U
n
= 30 V
I
max
≤
100 mA
Digital input (passive):
Non-sparking type of protection Ex ec II
U
n
= 30 V
PROFIBUS DP RS 485
Non-sparking type of protection Ex ec II
U
n
= < 8 V
PE current circuit:
Non-sparking type of protection Ex ec II
PA current circuit:
Non-sparking type of protection Ex ec II
11.2 Designs for potentially explosive atmospheres in accordance with ATEX and FM
This chapter includes information that must be observed when using the devices in potentially
explosive atmospheres (devices in accordance with ATEX Cat. 1/2 G and 2 D (Zone 1/21, Zone
0/21), FM Cl.1, Div.1/2).
This applies specifically to the mandatory safety instructions, the wiring of the signal and supply
power lines, and the safety specifications from the valid certificates.
Please also remember to comply with the other information in this manual.
Information for safe operation
ATEX
Meters must be installed, commissioned and operated according to ElexV (Standard on
electrical equipment in potentially explosive atmospheres) and EN 60079-14 (Installation of
electrical equipment in potentially explosive atmospheres).
FM
Installations must conform to "Installation of Intrinsically Safe Systems for Hazardous
(Classified) Locations" (ANSI / ISA RP 12.6) and "National Electric Code" (ANSI / NFPA 70
Sections 504 and 505). Comply with the relevant control drawings.