User's Manual

Table Of Contents
7ML19985JM01SITRANS LR 460 – INSTRUCTION MANUAL Page 23
mmmmm
Wiring
Permitted ambient temperature at the horn antenna (Category 1D):
- 20 °C
T
amb
+200 °C
Permitted ambient temperature at the electronic enclosure (Category 2D):
-20 °C
T
amb
+65 °C
Maximum permitted temperature within electronic enclosure (Category 1D):
85 °C
4. The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
5. Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice (EN 60079-14 and
EN 60079-17 in Europe).
6. Repair of this equipment shall be carried out by suitably trained personnel in
accordance with the applicable code of practice (e.g. EN 60079-19 within Europe).
7. Components to be incorporated into or used as replacements in the equipment shall
be fitted by suitably trained personnel in accordance with the manufacturer's
documentation.
8. It is the responsibility of the user to ensure that manual override is possible in order
to shut down the equipment and protective systems incorporated within automatic
processes, which deviate from the intended operating conditions, provided that this
does not compromise safety.
9. Equipment Marking:
The equipment marking contains at least the information on the product label,
shown on page 22.
EU Equivalency
Any zener diode safety barrier, certified by an EU approved certification body to
[ EEx ia ] IIC, its output voltage (Uo) not exceeding 24 V and its output current (Io) limited
by load resistance (Ro); such that Io = Uo / Ro, does not exceed 250 mA.
Ambient temperature at the
horn antenna (Category 1D)
Maximum surface
temperature at the
horn antenna
(Category 1D)
Maximum surface temperature Category 2D
(electronic enclosure resp. flange)
- 20 °C
T
amb
+ 60 °C
72 °C
70 °C at T
amb
65 °C in Category 2
- 20 °C
T
amb
+ 100 °C
112 °C
100 °C independent from T
amb
in Category 2
- 20 °C
T
amb
+ 200 °C
212 °C
200 °C independent from T
amb
in Category 2
Notes
The installation must comply with national requirements.
The safe area is unspecified except that it must not be supplied from nor contain,
under normal or abnormal conditions, a source of potential with respect to earth in
excess of 250 V rms or 250 V DC.