Keyboard controller introduction
Keyboard controller is a requisite device for compact monitor system, which
controls the postioning of all front speed dooms, mounting bracket and electric
lens, and also the out-door shield brush, auxiliary lamp.
Usually keyboard controller consists of many number keys and function keys.
Number keys are used to control speed dooms or decoder. Function keys are
used to control front devices. LCD on console display control codes and working
status of each monitor station.
One system has only one mater control board, but many slave control board,
which are usually located in the respective office to achieve remote control of the
entire tele monitor control system.
Features of keyboard controller
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Devices connected to RS485 bus can be set with different protocol and baud rate
.
★
Update new program on line. According to the protocol and control codes
provided by customer, compile update program. Customer can update firmware by
connecting to keyboard controller to computer via RS485 bus.
★
One key to retrieve the protocol and baud rate of current control address.
★
All parameters can be set via control key operations.
Basic function of keyboard controller
* RS485 control bus can control maximum 255 front devices(depending on the
setting of communication chipset)
* Standard RS485 I/O ports are all lightning-proof, strong for interference.
Standard communication distance is as long as 1200m.
* Uplink port can provide links to maximum 15 slave keyboard controllers.
* Multiple protocol available for speed doom control.
* Password to lock/unlock keyboard controller.
* Key sound ON/OFF
* Progressive speed dome control
* LCD display, multi-dimension control knob control
Preface
Preface
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