Honeywell Centra Line CLEA2000B21 - RS485-1 Panel Bus Connections; Connecting RS485-1 to Panel Buses

EAGLE CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
EN1Z-0970GE51 R1112 20
Connecting RS485-1 to Panel Buses
NOTE: When connecting RS485-1 of the EAGLE with Panel Bus I/O modules, 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
EAGLE
F1
GND-1
GND-1+5V
ISO
END
END BIAS MID
RS485-1 (+) RS485-1 (-)
242526
230 V
24 V
550 OHM 550 OHM150 OHM
Fig. 29. Connecting RS485-1 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
230 V 230 V
24 V 24 V
F1 F1
END
END BIAS MID
EAGLE
GND-1
GND-1+5V
ISO
RS485-1 (+) RS485-1 (-)
24
2526
550 OHM 550 OHM150 OHM
Fig. 30. Connecting RS485-1 of the EAGLE with Panel Bus I/O Modules (two transformers)