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Honeywell W7752D Manuale Utente

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EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE  
 
 EN2B-0285GE51 
R0909 
23
Table 14. Output assignments of Excel 10 W7754 FCU Controller for various actuator types 
OUT1 
OUT2 
output type 
stage 
19 
20 
21 
22 
floating 
--  close open close open 
0  -- OFF -- OFF 
1-stage 
1  -- ON -- ON 
0  OFF OFF OFF OFF 
1  OFF ON OFF ON 
2-stage 
2  ON OFF ON OFF 
0  OFF OFF OFF OFF 
1  OFF ON OFF ON 
2  ON OFF ON OFF 
3-stage 
3  ON ON ON ON 
PWM 
--  -- PWM -- PWM 
thermal 
-- 
-- ON/OFF -- ON/OFF 
 
 
L
ON
W
ORKS
 Termination 
One or two L
ON
W
ORKS
 terminations are required, depending 
on the given LonWorks bus layout. 
 
Double termination is required only when the network is a 
daisy-chain configuration and the total wire length is greater 
than 1640 ft (500 m). The max. lengths described in Step 2 
must be adhered to for either a daisy chain or free topology 
L
ON
W
ORKS
 layout. See Fig. 17 for connection details for a 
doubly terminated bus. See Fig. 18 for connection details for 
a singly terminated bus. 
 
Two different L
ON
W
ORKS
 termination modules are available: 
• 
L
ON
W
ORKS
 termination module, order no.: 
209541B 
• 
L
ON
W
ORKS
 connection / termination module (mountable 
on DIN rails and in fuse boxes), order no.: 
XAL-Term 
3
4
L
O
N
Honeywell
XAL-Term
L
O
N
removable screw-type
3-pole terminal block
1
5
3
4
0
6
shield
shield
LON
Termination
FTT/LPT Bus
FTT/LPT Free
Park Position
plug-in
jumper
 
Fig. 16. L
ON
W
ORKS
 connection and termination module 
 
NOTE:  The Q7750A Zone Manager has an internal ter-
mination circuit, although jumpers are required at the 
terminal block to connect it. See form number 95-
7509 for details. 
 
 
Fig. 17. Termination Module connections for a doubly-
terminated FTT network 
 
 
Fig. 18. Termination Module connections for a singly-
terminated FTT network