Connect external components
Call station PT2009-A1
7
A6V11940317_en--_a
111 | 121
7.5.3.3 Power supply and network redundant PT2009-A1
To build a complete redundant wiring with multiple PT2009-A1, use multiple
PTO2008-A1 with 24 V and separately connected isolated RS485, analog audio in,
and analog audio out.
Fig. 61: Star wiring of multiple PT2009-A1 in the redundant use case
1 Novigo Core cabinet
2 External 'Desk call station (RS485, 8+1)' PT2009-A1 with accessories
3 DC/DC converter 'MeanWell SD-50B-24 DC/DC' PCA2011-A1 or 'MeanWell
SD-100B-24 DC/DC' PCA2018-A1
4 'Ground fault monitoring (24V)' PCA2001-A1
5 'ICPDAS I-7510 (RS485, isolated)' PNA2009-A1
6 'Call station interface (RS485)' PTO2008-A1
7 Wiring to PTO2008-A1
8 Copper Ethernet cable (CAT5) with RJ45 connector, connecting one
PTO2008-A1 to the next PTO2008-A1
9 Copper Ethernet cable (CAT5) with RJ45 connector, connecting PTO2008-A1
to PT2009-A1
1
8
1
8
1
9
1
9
1
9
1
2
PT2009
1
2
PT2009
1
2
PT2009
CAT5
CAT5
CAT5
DC/DC
PCA2011
PCA2018
DC 24 V
Cabinet
RS485
intern
RS485 isol
PNA2009
1
1
1
3
1
4
1
5
1
7
Ground Fault
PCA2001
PTO2008
1
6
RS485
Interf
Fuse
PTO2008
1
6
RS485
Interf
Fuse
PTO2008
Fuse
1
6
RS485
Interf
RS485
intern
RS485 isol
PNA2009
1
5
RS485
intern
RS485 isol
PNA2009
1
5
Audio Out
Audio In
Audio Out
Audio In
Audio Out
Audio In