Samson TROVIS 3730-3 Notice De Montage Et Mise En Service page 191

to UK-Type Examination Certificate No. FM21UKEX0202X
Thermal Ratings
The correlation between temperature class and permissible ambient temperature range T
Table 2:
Temperature class
For operation with inductive limit switches used with I
mA,Pi = 64 mW, the correlation between temperature class and permissible ambient temperature
range is shown in Table 3.
Table 3:
Temperature class
T4
T6
T4
T6
The permissible ambient temperature range T
Model Code
c = Inductive limit contact: 0 or 1
d = solenoid valve: 0 or 4
e = not safety relevant
f = Positions sensor: 0 or 1
g = Leakage sensor: 0 or 2
h = Binary input: 0 or 1
i = Diagnostics: 4
j = Housing material: 0 or 1
k = Connection: 1+2 or 5+6
Specific Conditions of Use
1. For the applications in dust group IIIC, the cable glands and blanking plugs supplied must be
replaced with certified ones. The cable glands and blanked plugs must be suitable for the
corresponding ambient temperatures and have a degree of protection of at least IP 54.
Positioner 3730-45/55cdefghijk
Equipment markings
II 2D Ex tb IIIC T80°C Db
Electrical Ratings
Circuit
THIS CERTIFICATE MAY ONLY BE REPRODUCED IN ITS ENTIRETY AND WITHOUT CHANGE
FM Approvals Ltd. Voyager Place, Maidenhead, Berkshire, SL6 2PJ. United Kingdom
T: +44 (0) 1753 750 000 F: +44 (0) 1753 868 700 E-mail:
F UKEX 020 (Jan/21)
EB 8484-3 FR
SCHEDULE
T4
T6
Permissible ambient temperature T
Signal Circuit Signal Circuit
Foundation™
(PROFIBUS PA)
Fieldbus
Permissible ambient temperature T
-40 °C ≤ T
-40 °C ≤ T
/I = 52 mA,Pi = 169 mW and I
max i
-40 °C ≤ T ≤ + 75 °C
a
-40 °C ≤ T ≤ + 45 °C
a
-40 °C ≤ T ≤ + 80 °C
a
-40 °C ≤ T ≤ + 55°C
a
for dust group IIIC is –40 °C ≤ T
a
Inductive limit
FISCO switches
atex@fmapprovals.com www.fmapprovals.com
is shown in Table 2.
a
a
≤ + 80 °C
a
≤ + 55 °C
a
/I = 25
max i
I / P
a i i
52 mA / 169 mW
25 mA / 64 mW
≤ + 80 °C
a
Forced
venting
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