Samson TROVIS 3730-3 Notice De Montage Et Mise En Service page 187

to UK-Type Examination Certificate No. FM21UKEX0202X
Positioner TROVIS / 3730-3-118defghijklmnopqrst
Equipment Markings
II 2G Ex ia IIC T* Gb
II 2D Ex ia IIIC T85°C Db
Electrical Ratings
Circuit
Circuit no.
Terminal no.
V or U
max i
I or I
max i
P
i
C
i
L
i
Rated values
Circuit
Circuit no.
Terminal no.
V or U
max i
I or I
max i
P
i
C
i
L
i
Rated values
Thermal Ratings
The correlation between temperature class and permissible ambient temperature range T
Table 2:
Temperature class
The permissible ambient temperature range T
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
Signal circuit
transmitter
1
+11 / -12
28 V
115 mA
1 W
16.3 nF
negligible
I = 4 mA...20 mA U
N N
External position Forced venting
sensor
7
V_REF / PISTE /
GND
4.8 V
64 mA
74 mW
U
N
T4
T6
SCHEDULE
Position Inductive limit
switches
2 3 and 4
+31 / -32 +41 / -42
and
+51 / -52
28 V 16 V
115 mA 25 mA or 52 mA
1 W 64 mW or 169 mW
11.1 nF 71.1 nF
negligible 100 µH
= 24 V DC * U = 8.2 V
N
R = 1 kΩ
i
Binary output
(NAMUR)
8
+81 / -82 +83 / -84
28 V 16 V
115 mA 52 mA
1 W 169 mW
11.1 nF 12.2 nF
Negligible Negligible
= 24 V DC * U = 8.2 V
N
R = 1 kΩ
i
Permissible ambient temperature T
-40 °C ≤ T
-40 °C ≤ T
for dust group IIIC is –40 °C ≤ T
a
atex@fmapprovals.com www.fmapprovals.com
Software limit
switches
5 and 6
+45 / -46
and
+55 / -56
16 V
52 mA
169 mW
12.2 nF
negligible
* U = 8.2 V
N
R = 1 kΩ
i
Binary input
(24 V DC)
9 10
+87 / -88
28 V
115 mA
1 W
11.1 nF
Negligible
U = 24 V DC
N
is shown in Table 2.
a
a
≤ + 80 °C
a
≤ + 55 °C
a
≤ + 70 °C
a
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