Honeywell CENTRA LINE EAGLEHAWK NX - Connecting EAGLEHAWK NX via its RS485-1 Interface to a Panel Bus

EAGLEHAWK NX CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
33 EN1Z-1039GE51 R1218
Connecting EAGLEHAWK NX via its RS485-1 Interface to a Panel Bus
NOTE: When connecting an EAGLEHAWK NX via its RS485-1 to a Panel Bus I/, it is recommended that the slide switch be set
to "END."
1 2
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24V~
24~0
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
F1
GND-1
GND-1+5V
ISO
END
END BIAS MID
RS485-1 (+) RS485-1 (-)
24
2526
230 V
24 V
550 OHM 550 OHM150 OHM
R T
120 Ohm
EAGLE-
HAWK NX
Fig. 34. Connecting an EAGLEHAWK NX controller via its RS485-1 interface to a Panel Bus (single transformer)
1 2
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24V~
24~0
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
Com a
71
75
72
76
73 77
74
78
Com b
24V~
24~0
CentraLine I/O Module
230 V 230 V
24 V 24 V
F1 F1
END
END BI
A
S
MID
GND-1
GND-1+5V
ISO
RS485-1 (+) RS485-1 (-)
24
2526
550 OHM 550 OHM150 OHM
R T
120 Ohm
EAGLE-
HAWK NX
Fig. 35. Connecting an EAGLEHAWK NX controller via its RS485-1 interface to a Panel Bus (two transformers)