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5-44 PROANNOUNCE System User Handbook 1.1
5.2.13 Optionally Available Accessories
Optional Alarm Key (NRS 90230)
The paging stations employ two empty slots for retrofitting optional alarm keys or key-lock switches (also refer to
chapter 5.2.3 Control Panel DPC 4550). For installing an additional alarm key you should only use the NRS
90230 extension kit.
Brief description:
optional pushbutton or switch for retrofitting DPC 4xxx-type paging stations to work
as idling current-controlled opener. The pushbutton - switch function can be
configured on the hardware.
Supplied with the NRS 90230:
1 switch – pushbutton, complete with label field and cover
1 connection cord, 4-pole
1 resistor 10 k ohms
1 lamp 6 volts
1 selable cover
installation instructions:
1. Disconnect the paging console from the power
supply.
2. Detach the bottom plate (6 to 8 screws, depending
on the paging console model).
3. Prepare the installation site for the insertion:
·
Use a sharp, pinpoint tool (thick needle,
pointed rat-tailed file, knife, etc.) to carefully
pierce the pre-punched holes through –
from the enclosure’s outside to the inside.
·
Configure the switch to operate as switch or
pushbutton.
· CAUTION: Install the switch so that the gap
for changing the switch’s operation points
towards the TALK key. This allows for easy
changing its function even after it has been
inserted.
Note:
Please make sure to solder the cables after the switch has been installed. Otherwise it is virtually
impossible to slide the counter-nut over the body of the switch!
4. Adjust the switch and tighten it using the supplied
milled nut.
5. Connect the cables and the resistor according to the
circuit diagram on this page.
6. Please mind the sequence in which you connect the
flat wire cables. The two outside wires 1(rt) and 4(gr)
need to be soldered to the contacts of the lamp. The
two inner wires 2(gr) and 3(gr) need to be soldered to
contacts 1 and 2 of the switch. Polarity of either pair
of wires is not critical.
7. Afterwards, you have to connect the 4-pole female
plug to the corresponding OPTION 1 or OPTION 2 -
terminal strip on the basic printed board assembly.
8. Re-attach the bottom plate.
9. Software configuration with the PROANNOUNCE
Designer
CHANGE FROM
:
SWITCH to PUSHBUTTON
figure 5.38 optional pushbutton/ switch
figure 5.39 circuit diagram pushbutton / switch