Rockwell Automation 1757-FFLD4 Foundation Fieldbus Linking Device Installation Instructions - Manual (Page 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
F
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
1
CHASSIS GND 2
DC Gnd
3
24V DC (+20%)
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