FBM 2180 Installation Instruction - Emerson Process Management
FBM 2180 Installation Instruction - Emerson Process Management
FBM 2180 Installation Instruction - Emerson Process Management
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Saab Rosemount TankRadar<br />
<strong>FBM</strong> <strong>2180</strong><br />
Chapter 2 <strong>Installation</strong><br />
<strong>Installation</strong> <strong>Instruction</strong><br />
308019E, Edition 1<br />
May 2006<br />
2. <strong>Installation</strong><br />
2.1 Power Supply<br />
Use adapter 90-264 V ac/9 V dc 1.5 A for RS232 communication.<br />
DO NOT use external power supply when the modem is connected to the<br />
USB port. The USB interface itself supports power to the <strong>FBM</strong><strong>2180</strong><br />
modem.<br />
Power supply (polarity independent)<br />
(RS 232 communication only)<br />
2.2 TRL/2 Bus<br />
Use single twisted preferably shielded pair cable. Individual shielding is<br />
mandatory if parallel buses run in the same cable. Polarity independent.<br />
Recommended wiring length:<br />
Cable dimension<br />
AWG 20 (0.50 mm 2 )<br />
AWG 18 (0.75 mm 2 )<br />
Maximum Length<br />
3000 m<br />
4000 m<br />
TRL/2 Bus<br />
2
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