Siemens IQ RADAR 300, Быстрый старт, Страница: 5 / 92

7ML19985QA82 SITRANS LR 300 – QUICK START MANUAL Page EN-3
m
mmmm
Englis
h
Mounting Location
SITRANS LR 300 Wiring Requirements
• Increased safety, EEx e version: solid 4
flexible stranded 2.5
• General safety or hazardous EEx d version: rigid 0.2 to 4
flexible stranded 0.2 to 2.5
AWG 24 to 12
WARNING:
Materials of construction are chosen based on their chemical
compatibility (or inertness) for general purposes. For exposure to specific
environments, check with chemical compatibility charts before installing.
WARNING: The user is responsible for the selection of bolting and gasket
materials which will fall within the limits of the flange and its intended use and
which are suitable for the service conditions.
WARNING:
Improper installation may result in loss of process pressure.
WARNING:
Never attempt to loosen, remove or disassemble process
connection or instrument housing while vessel contents under pressure.
WARNING:
This product is designated as a Pressure Accessory per Directive
97 / 23 / EC, and is not intended for use as a safety device.
Notes:
• Recommended torque on terminal clamping screws is 0.5 – 0.6 Nm.
• Connect shielding of instrument cables to ground at one end only.
• All Input/Output wiring must be shielded for CE compliance, except for supply voltage.
WARNING: All field wiring must have insulation suitable for the applied input
voltage.
WARNING: Avoid static discharge to terminals.
Coni cal
P a ra b o lic
Fl at
100 mm (4") horn antenna
Rod antenna or 150 mm (6")
horn antenna
200 mm (8") horn antenna
28
o
20
o
12
o
undesirable
preferred
Clearance: Horn Antenna or Shielded Rod
minimum
10 mm (0.5")
minimum
10 mm (0.5")