2N Helios IP Safety - Manual (Page 27)

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2N TELEKOMUNIKACE a.s., www.2n.cz
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2.4 Extending Module Connection
2N
®
Helios IP Safety allows to connect following extending modules:
Additional Switch
Security Relay
Additional Switch
The (Part No. 9151010) is used for extending the number of Additional Switch
outputs. This extending module is intended for mounting into the 2N
®
Helios IP
main unit and is compatible with the basic units with Part No. 915210xxxxx. Safety
Function:
The Additional Switch adds two additional switches and a 2N
®
Helios IP Safety
tamper switch to the basic unit. The purpose of the tamper 2N
®
Helios IP Safety
switch is to signal any unauthorised opening of the intercom (to prevent a theft, e.g.).
It is recommended to use the tamper switch.
Specifications:
Passive switch: NO and NC contacts, up to 30 V / 1 A AC/DC
Active switch output: 12 V / 700 mA DC
Tamper switch: 24 V / 50 mA AC/DC
Module mounting:
Switch off the intercom.
Remove the front panel from the intercom. Do not disconnect the button cable!
Screw the enclosed 12 mm spacer (5) into the right-hand bottom slot on the
main board.
Mount the enclosed plastic support (6) onto the switch board bottom side.
Put the switch board (4) in the main board connector making sure that the screw
hole is directly above the spacer.
If you want to use the tamper switch, insert the tamper board (9) in the
connector located in the right-hand bottom part of the switch board (4). As the
tamper switch shares the relay output (NO and NC) terminals, you cannot use
the RELAY2 output with the tamper switch together.
Place front panel back and tighten all four screws.