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Saab TankRadar Rex

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Technical Description<br />

30<br />

Field Bus Modem, FBM 2171<br />

The Field Bus Modem (FBM) converts the signal<br />

from RS-232 to the TRL/2 Bus. It is used to connect<br />

a PC with the TankMaster HMI software to the<br />

TRL/2 Bus. The Field Bus Modem is delivered with<br />

the cable for connection to the PC. The Field Bus<br />

Modem has its own power supply through an AC/<br />

DC converter.<br />

FBM 2170 Field Bus Modem.<br />

mm (inch)<br />

Field Bus Modem<br />

Typ FBM 2170<br />

RS-232<br />

TRL/2 Bus<br />

1 2 3 4<br />

A division of <strong>Saab</strong> Marine Electronics AB<br />

MADE IN SWEDEN<br />

Connection<br />

to PC<br />

DC<br />

connector<br />

120 (4.7)<br />

Connection to Field bus<br />

Technical Data for FBM 2171<br />

Explosion Explosion protection: protection: None<br />

Power er er suppl suppl supply: suppl suppl y: From AC/DC converter supplied<br />

by <strong>Saab</strong> Rosemount Tank Control<br />

(6-15 V, 10 mA).<br />

Cab Cable Cab Cab le to to PC: PC:<br />

3 m (10 ft) included in deliv ery.<br />

Field Field b bbus<br />

b us o oover<br />

o er<br />

voltage oltage oltage protection: protection: Galvanic insulation, transient protection,<br />

suppressor s and fuses.

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