Loop-powered LED Indicator

摘要

Radix offers PLD40,a 4-digit programmable loop-powered LED indicator.PLD40 accepts a 4-20 mA current and displays it as a user scalable process variable in the range-1999 to 9999,on a 0.56"(14.2 mm),7-segment red LED display.PLD40 works off the 4-20 mA loop current and do not need any other power supply.The loop drop is less than 5 V.