Konig SEC-CON22, Руководство пользователя, Страница: 5 / 18

5
2. 3 Keyboard connection in the system
Indirect control the dome when connect with matrix
（
as figure 2-4.1
） 。
contrariwise will control the domes
directly
，
Parallel connect the keyboard and dome to the bus of RS-485
，
all the keyboard can control any dome
among them, under this way, the add of the main keyboard should be “1” and baud rate should be 9600bps
（
as
figure 2-3.1
）
Figure 2 -4.1
Caution
1
、
the max quantity of master equip and be charged equip controlled by a RS485 bus is
，
so when use the
keyboard to control direct the max dome quantity is 3
2
、
max quantity keyboard in a system is 4,also the 4 keyboards should be different ID
matrix
Dome1 Dome2
Figure 2-4.2
Keyboard 1 Keyboard 2
Keyboard 3
Dome 1 Dome 2 Dome 3 Dome 4
Keyboard 4
Dome 5 Dome 6 Dome 7 Dome 8
Keyboard