Door
s
ta
tion/power su
pply unit
s
Door station/power supply units
19
TwinBus power supply unit 1 7573
Device description
The power supply provides the power for the devices attached to the TwinBus. It controls the door station and provi-
des functions that the connected subscribers can use.
Setting commands
The power supply unit 7573 provides the option of programming 4 switching commands (e.g. from button adapter
1 4645, coding module 1 4764, access module 1 4768, etc.) to operate the door opener.
The procedure is described here in an example of entering a numeric code via the coding module.
The entry must be terminated with "E".
Adjust door opening time
The door opening time can be set within a range of 1 to 120 seconds. The factory setting of the running time is 3
seconds.
* 1 x flashing = 1 sec.
Further information on the power supply unit is available in the Chapter "Service" - refer to Page
☞
23
.
Connections
L, N
230 V mains connection
1, 2, 3, 4
Door station, polarized
3, 21
Door opener
11
Control line for door opening relay
a1, b
Main bus line 1
a2, b
Main bus line 2
a3, b
Main bus line 3
System bus
for supplying additional devices
Activity
Result
Activity
Result
Press and hold
"P" until
LD 1
Flashes yellow
C
0
E
7
8
9
4
5
6
1
2
3
Enter numeric
code, e.g.
012345E
RiTTO
acoustic signal
for confirmation
Press "P"
again
LD 1 (yellow)
goes out
Press and hold
"Z"
*
LD 1
Flashes yellow
