Shenzhen ITLONG Intelligent Technology CO. LTD HLD-DT-A Manuel D’Utilisation
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2.4.3 Protocol Mode and Intercom Linkage
The intercom supplier can interact with ITLONG via protocol mode to
achieve the intercom linkage function.As below Figure 2-4-3:
GND
485B
485B
485A
Group Controller
GND
485B
485B
485A
GND
485B
485A
485B
485A
GND
485B
485B
485A
GND
485B
485B
485A
485A2
485B2
GND
J6
J2
J3
J4
J5
485A2
485B2
GND
485A2
485B2
GND
485A2
485B2
GND
NO1.Controller J12
NO2.Controller J12
NO3.Controller J12
NO4.Controller J12
Intercom
Linkage
Signal
interface
Linkage
Signal
interface
485A
485B
GND
Figure 2-4-3 Protocol Mode Intercom Linkage Connection Diagram
2.5 Hardware Wiring Diagram
Elevator floor access controller connection diagram as below:
Note: When connected the floor button, the positive and negative
poles of the elevator signal line should be coincident with the poles
of access controller or expansion relay board output port.