Rockwell-automation 1757-FFLD4 Foundation Fieldbus Linking Device Inst Manual do Utilizador descarregar pdf (Página 13)

Foundation Fieldbus Linking Device 13

Publication

1757-IN021E-EN-P - August 2009

3. Complete step 1 and step 2 for all H1 cables.

4. Insert the RTB into the corresponding socket.

H1 Terminal Block Layout (catalog number 1757-FFLD4 shown)

Power and Grounding

1. Connect the chassis ground to connector 1 - CHASSIS GND.

2. Connect the 24V common to connector 2 - DC GND.

3. Connect the +24V DC input power to connector 3 - 24V DC (

+20%).

4. Apply power to the linking device.

IMPORTANT

You must use a power conditioner between your fieldbus power supply and

the devices on the fieldbus network. For more information, see the

OUNDATION Fieldbus specifications at http://www.fieldbus.org,

publication AG-140

Do not exceed 10 m (32.8 ft) total wiring length on the 24V DC power

connection.

H1-1

+ -+ -+ -+ -+ -+ -+ -+ -

H1-2 H1-3 H1-4

CHASSIS GND

DC Gnd

24V DC (+

20%)

43576

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 27 28

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Rockwell-automation 1757-FFLD4 Foundation Fieldbus Linking Device Inst Manual do Utilizador Página 13