User Manual

2
Fire & Security Products
Siemens Building Technologies Group
Technical data
Electrical Supply Voltage
Regardless of manufacturer specifications!
8 … 28 VAC
8 … 40 VDC
Current Consumption Standby
Transmit
Max. 30 mA
Max. 60 mA
Ambient Temperature Operating
Storage
0 ... 75 °C
-20 … 75 °C
Humidity RH no-condensing 90%
Mechanical Enclosure ABS/PC
Enclosure rating IP20
Dimensions
Weight 0.5 kg
Communication LONWorks TP/FT-10, screw terminal
Transmission Specification
Absolute maximum ratings
Max. number of nodes per segment 64
Max. number of nodes per network 128
Max. number of repeaters 4 (CerCom/LON specification)
A repeater counts as one node on each segment to which it is connected.
Cable types Doubly-Terminated Bus Topology Specification
Max. segment length
Belden 85102 2700m
Belden 8471 2700m
Level IV, 22AWG 1400m
JY (St) Y 2x2x0.8 900m
TIA Category 5 900m
Termination 2 ´ 105 W , 1%, 1/8W, one at each end of the bus
Free topology specification
Max. node to node distance
Max. segment length
Belden 85102 500m
500m
Belden 8471 400m
500m
Level IV, 22AWG 400m
500m
JY (St) Y 2x2x0.8 320m
500m
TIA Category 5 250m
450m
Termination 1 ´ 52.3 W , 1%, 1/8W, in the center of the segment
Please refer to http://www.echelon.com/Support/documentation/Manuals/FTT_10Av6G.pdf , Chapter 4, for
details on LON network topology.