Specifications – Rockwell Automation 1757-FFLDC4 ControlNet Foundation Fieldbus Linking Device Installation Instructions User Manual
Page 25
ControlNet Foundation Fieldbus Linking Device 25
Publication
1757-IN022B-EN-P - August 2009
Specifications
1757-FFLDC2, 1757-FFLDC4 - Technical Specifications
Attribute
Value
Physical interfaces
2 or 4 H1 F
OUNDATION
Fieldbus interfaces
1 redundant media ControlNet interface
Number of H1 networks
(1)
per linking device
2 for 1757-FFLDC2 linking device, 4 for
1757-FFLDC4 linking device
Number of fieldbus devices
per H1 network, max
16 (8…10 recommended)
Number of fieldbus devices
per linking device, max
32 for the 1757-FFLDC2 linking device
64 for the 1757-FFLDC4 linking device
Power requirements
Current rating/supply power
In rush current
Power consumption/dissipation
450 mA @ 24V DC (± 10%)
1.5 A
9.6 W
Isolation voltage
50V (continuous), Basic Insulation Type,
Fieldbus to system backplane, Ethernet
network to system backplane, ControlNet
network to system backplane, and
ControlNet Channel A to ControlNet Channel
B
Type tested at 500V AC for 60 s
Panel mounting screw torque
(using M4 or #8 screws)
1.1…1.8 N•m (10…16 lb•in)
Wiring category
(2)
2 - on Fieldbus ports
3 - on power and Ethernet ports
2 - on ControlNet ports
Terminal block torque specifications
0.34 N•m (3 lb•in) on power and Fieldbus
wire connections