Instruction manual

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 33
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Interconnection
Interconnection
SITRANS LR 300 Terminal Block
Two options are available. The Intrinsically Safe mAmp Output Version has a shield
installed: the standard version does not.
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
Notes:
• The recommended torque on the terminal clamping screws is 0.5 – 0.6 Nm.
• Connect the shielding of instrument cables to ground at one end only.
WARNING: Avoid static discharge to terminals.
3
0
0
A special wrench is provided to
open the SITRANS LR 300
enclosure. The two lugs on the
wrench fit into the indentations
in the back cover of the
enclosure.
Lugs
Shield installed
on Intrinsically
Safe version
only
Wiring access is from the
side of the terminal block.
SITRANS LR 300.book Page 33 Monday, June 10, 2002 7:18 PM