Connections
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Building Technologies A6V10257473_b_en_--.doc
Fire Safety & Security Products 01.2010
7.5 Control inputs
Four control inputs, including three programmable (2 to 4), are available on X27
terminal block to receive controls or information via relay contacts. Operation is
defined at programming steps 48 to 51 (see paragraph 12.13).
Fig. 20 XC10xx-A, control inputs connection
– These inputs shall not be activated by an external +24 V
– The relays must be installed inside the equipment
– When a control input is programmed as « Reset » or « Level 2 access » or « Manual blocked » or
« Automatic blocked » or « Automatic and manual blocked » or « Silence / Restart Sounders »,
theses controls must only be possible through an operating level 2 access device.
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