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

EAGLEHAWK CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
17 EN1Z-1005GE51 R0216
Connecting EAGLEHAWK 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
EAGLEHAWK
Fig. 28. Connecting an EAGLEHAWK 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
EAGLEHAWK
Fig. 29. Connecting an EAGLEHAWK controller via its RS485-2 interface to a Panel Bus (two transformers)