DDM 4产品概述
4 Digit LCD Data Display Module
This range of LCD and LED instruments includes a 31/2 digit ±200 mVDC full scale reading LCD voltmeter, a 500 VAC voltmeter, a graphics module, a 4-20 mA loop powered meter, an auto-ranging multimeter and a data display module. Optional NEMA 4X rated alloy bezels fit all meters.
TheDDM4 is a low power 4 digit data display module which usually operates under microprocessor control. Inputs are CMOS and TTL compatible. Using three inputs; Clock, Data In and Load, it is possible to individually address each LCD segment, permitting 0 to 9 and A to F to be displayed plus any other combination of the segments.