Honeywell CENTRA LINE EAGLEHAWK NX - Connecting EAGLEHAWK NX Via Its RS485-2 Interface to a Panel Bus

EAGLEHAWK NX CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
EN1Z-1039GE51 R1218 34
Connecting EAGLEHAWK NX via its RS485-2 Interface to a Panel Bus
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
2930 31
230 V
24 V
GND-2
GND-2+5V
ISO
RS485-2 (+) RS485-2 (-)
550 OHM 550 OHM130 OHM
R T
120 Ohm
END BIAS MID
NO EFFECT ON RS485-2
EAGLE-
HAWK NX
Fig. 36. Connecting an EAGLEHAWK NX controller via its RS485-2 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
F1
2930 31
230 V
24 V
230 V
24 V
F1
GND-2
GND-2+5V
ISO
RS485-2 (+) RS485-2 (-)
550 OHM 550 OHM130 OHM
R T
120 Ohm
END BI
A
S
MID
NO EFFECT ON RS485-2
EAGLE-
HAWK NX
Fig. 37. Connecting an EAGLEHAWK NX controller via its RS485-2 interface to a Panel Bus (two transformers)