1.9 Expansion bus for buttons - terminal (13)
This bus lets you connect expanding buttons to the number 128 + two
buttons on basic module = a total of 130 keys.
Inch switch DIP4 on each expansion module
determines extent to which the 8 keys on a particular
expansion module.
1.10 Expansion module IPBELLv2-8
Expansion module always has 8 buttons. Electronic circuit board is
attached to the keys of wires, buttons common
terminal is connected to a conductive comb
(included). Two wires lead to the lighting board
cards. Connection of the basic module or previous
extension module is performed using a flat wire
FK1 into the red sockets. Connectors are the
same, and it does not matter which connector you
use, only need to observe the lock on the
connector to prevent rotation.
User manual
IPBELLv2
-
13
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