Description
Boost your signal, connectivity and power options with the ezLCD I/O Expander Board
Ideal for distributed control systems, point of information or signage display applications, the I/O Expander Board seamlessly connects to any ezLCD-3xx smart, touch LCD to create a fully integrated, managed display system.
As an accessory to the ezLCD family, the I/O Expander Board provides engineers multiple options for power, interface, number of I/O ports, signal distance, and utilization of audio feedback.
Interface options include: RS-232 and RS-485. RS-232 delivers signal strength up to 50', and RS-485 multi-drop connectivity distances of over one mile!
When connected to any ezLCD-3xx product, the I/O Expander Board:
- Expands the power input range from 4.5v to 50v
- AC or DC
- Expands interface options by providing RS-485
- (half and full duplex) and RS-232
- Delivers RS-485 multi-drop connectivity spanning over a mile, and RS-232 connectivity up to 50 feet
- Expands the number of I/O's to 26 - two analog, twenty-four digital
- Provides audio feedback via beeper
