RiTTO TWINBUS, System Manual

Page: 103 / 197

Installation: Assembly, connection and start-up
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2.7.3 TwinBus switching device 1 4981
Assembly
Remove the TwinBus device and the supplied components from the packaging.
Connection
* Optional, customer-installed push button
** Light button on button module
Circuit diagram: switching device with power supply unit, switches consumer up to 230 V, 6 A.
Note:
„
Programming mode must be set in order to connect the main door station to an indoor telephone
within the floor line. You
must switch to normal mode after programming.
„
The floor door station bell buttons are assigned in normal mode.
„
When programming main door bell buttons on floor line indoor telephones, the floor control unit
1 4585 must first be switched to programming mode, then the indoor telephones and indoor video
stations must be programmed.
* Cut off the cover for connecting to additional devices.
Connections
a, b Connection to TwinBus
LT+, LT- Control input, e. g. for bell buttons
S, M, Ö Relay output (230 V changeover contact)
System bus for supplying additional devices from power supply unit 1 7573
#
$
"
!
00128-0
a b
S
M
LT+
LTÐ
1
2
3 *
00129-0
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