LNGS.465213.270-10 OM
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Landing intercom connectivity
Connecting of the landing intercom is performed via CAN bus. Maximum number of devices should not exceed 64.
Prior to connecting the landing intercom device it’s address on CAN bus must be set in range from 1 to 64.
To work on the CAN bus the 4-wired connection should be made (CAN-P, CAN-L, CAN-H, CAN-G).
To balance the load on the CAN bus, bus terminators of 120Ohm resistor need to be connected. "Terminator" is
connected using a special DIP-switch only to device located at the ends of the CAN bus.
Intercom module
The intercom module of the LU 7.2 is designed to provide a voice negotiation between a lift cabin and a dispatcher
Intercom module is installed in a cabin behind the COP and is connected to the Intercom unit 7.2, installed on the roof
of a cabin.
Exchange data with lift control station
The performance of the LU is provided by the microcontroller and the LU firmware. The LU is continuously
communicating with a lift controller. Depending on the status of the controller, the LU’s firmware generates a message
on the current state of a lift, which is then sent over the Internet networks to be displayed on the monitoring devices
(PC, mobile device). The list of statuses generated by the lift unit, their attributes, time intervals are given in Appendix
A.
The set attribute of enabling the lift to be turned off upon detection of emergency state allows the LU to turn off the lift
on detection of a corresponding state.
Exchanging data with the RSA
The relay station adapter polls the elevator control points and transmits information about the operation of the lift to the
LU. The LU generates a message on the current state of the lift, which is then sent over the Internet to be displayed on
ATTENTION!
The procedure of training and binding should be performed on each Intercom
unit connected to the LU each time the Wi-Fi password changes.
