Table of Contents
Advertisement
LON FTT-10 Free Topology
Communications Network
18-22AWG Twisted Pair
Wiring Guide Legend
Symbol
Description
NC
No Connection to Field Wiring
Field Wiring w/space for Number
Internal Wiring
Screw Terminal
Air Flow To and From Unit
Between Room and Corridor
FMS-1655L CONTROLLER
PWR
4
3
2
1
4
3
2
1
4
Ain
3
mA
2
1
AI_4
AI_3
GND
AI_2
AI_1
EXT.
SNSR
GND
+5v
AO_4
GND
AO_3
+10v
GND
GND
AO_2
+V
AO_1
GND
INT.SNSR
For more details, refer to Echelon's Junction Box and
Wiring Guideline Bulletin at echelon.com/support/
documentation/bulletin/005-0023-01P_Jbox_wiring.pdf
Free Topology Cable Specifications
Cable Type
Maximum Node-to-
Maximum Total Wire
Node Distance (FT)
Length (FT)
Belden 85102
1640 ft
1640 ft
Belden 8471
1312 ft
1640 ft
Level IV, 22AWG 1312 ft
1640 ft
JY (St) Y x2x0.8
1049 ft
1640 ft
TIA Category 5
820 ft
1476 ft
-
29
-
COMMUNICATIONS
LED2
SW1
LED2
Ain
RNG
Aout
RNG
NT_1
DI
Vsel
NT_2
SHLD
NT_1
DI_4
NT_2
GND
SHLD
DI_3
DI_2
GND
RLY4
DI_1
C3/4
GND
RLY3
SYN
C2
PH1
RLY2
PH2
C1
+VS
RLY1
EXT.SNSR
1
1
1 1 1
1
1
SELECT
JP3
Refer to www.lonmark.org
for more details.
*JCI recommended cable
Wiring
Advertisement
Table of Contents
