CentraLine EAGLE - Connecting RS485-2 to Panel Buses

EAGLE CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
25 EN1Z-0970GE51 R0918
Connecting RS485-2 to Panel Buses
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
EAGLE
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
RS485-2
END BIAS MID
NO EFFECT ON RS485-2
Fig. 37. Connecting RS485-2 of the EAGLE with Panel Bus I/O Modules (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
EAGLE
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
RS485-2
END BI
A
S
MID
NO EFFECT ON RS485-2
Fig. 38. Connecting RS485-2 of the EAGLE with Panel Bus I/O Modules (two transformers)