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 TROVIS / TROVIS SAFE 3793-858efghijklmnopq
Equipment Markings
II 3G Ex ec IIC T* Gc
Electrical Ratings
Circuit
Signal circuit
Circuit no.
Terminal no.
Rated values
I
= 4 mA...20 mA
N
Circuit
Mechanical limit
Circuit no.
47 / 48 / 49
Terminal no.
57 / 58 / 59
Rated values
U
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 029 (Jan/21)
15-66
SCHEDULE
to Type Examination Certificate No. FM21UKEX0203X
Permissible ambient temperature T
-40 °C ≤ T
-40 °C ≤ T
-40 °C ≤ T
-40 °C ≤ T
for dust group IIIC is –40 °C ≤ T
a
Position
transmitter
1
2
+11 / -12
+31 / -32
U
= 24 V DC
N
Forced
switches
venting
7 and 8
9
+81 / -82
and
= 28 V DC
U
= 24 V DC
N
N
atex@fmapprovals.com www.fmapprovals.com
a
≤ + 75 °C
a
≤ + 45 °C
a
≤ + 80 °C
a
≤ + 55°C
a
a
Inductive limit
switches
3 and 4
+41 / -42 and +51 / -52
* U
= 8.2 V, R
= 1 kΩ
N
i
Binary output (NAMUR)
10
+83 / -84
* U
= 8.2 V, R
= 1 kΩ
N
i
I
/ P
i
i
52 mA / 169 mW
25 mA / 64 mW
≤ + 80 °C
Software limit
switches
5 and 6
+45 / -46 and +55 / -56
* U
= 8.2 V, R
= 1 kΩ
N
i
Binary input (24 V DC)
11
+87 / -88
U
= 24 V DC
N
Page 7 of 8
EB 8484-1 FR