Rockwell Automation 1757-FFLD4 Foundation Fieldbus Linking Device Installation Instructions User Manual
Page 22
22 Foundation Fieldbus Linking Device
Publication
1757-IN021E-EN-P - August 2009
Wiring category
(2)
2 - on Fieldbus ports
3 - on power ports
2 - on Ethernet ports
Terminal block torque specifications
0.34 N•m (3 lb•in) on power and Fieldbus
wire connections
Wire size
DC power connection
Fieldbus connections
Ethernet connections
0.2... 1.5 mm
2
(26...16 AWG) solid or
stranded copper wire rated at 75 °C (167 °F)
or greater 1.2 mm (3/64 in.) insulation max
0.8 mm
2
(18 AWG) solid or stranded
shielded twisted pair copper wire rated at
75 °C (167 °F) or greater 1.2 mm (3/64 in.)
insulation max
RJ45 connector according to IEC 60603-7,
2 or 4 pair Category 5e minimum cable
according to TIA 568-B.1 or Category 5
cable according to ISO/IEC 24702
Program retention (unpowered)
21 days
North American temp code
T4
IEC temp code
T4
In-circuit battery life
5000 charge/discharge cycles (about 13
years). Battery is not replaceable
Enclosure type rating
None (open-style)
(1)
Each network defined as a FOUNDATION Fieldbus 31.25 kbps H1 network.
(2)
Use this Conductor Category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication
1757-FFLD2, 1757-FFLD4 - Technical Specifications
Attribute
Value