Significance of Current Loop 4 to 20 mA Standard
Subject: delabs comments – Tell Me. message: why 4-20mA standard. why not 2-22mA or any thing else Mail from MU they knew you would come […]
Industrial-Automation
Temperature Meters with Analog Recorder Output
I would like to know if you offer a monitoring solution that will constantly measure ambient (air) temperature (say, 0 to 150°F), and provide a […]
Presettable Up-Down Counter Timer
When i had put the near Obsolete digital circuits online in the late nineties. One person who works in a public institution in the usa, […]
RS485 Modbus – Wireless Interface
I am working on alarm systems and would like assistance in designing wireless link for the unit, ie sensors to control panel, control panel to […]
Speed control with TDA1085 – PCBWay
This is a Sponsored Post, The contributions from these Sponsor Firms help enhance and improve the delabs websites and services. PCBWay a PCB manufacturer Supports […]
BCD Thumbwheel to Voltage Interface
This is a Proportional Controller where the setpoint is derived from a Thumbwheel switch. The conversion of Thumb-wheel Digital Data to Analog mV is similar […]
Millivolt Source – Field Calibration Current Loop
This is easy to rig millivolt source for field calibration or troubleshooting of 4-20 mA current loops. Here a Darlington pair is used for current […]
DC-DC SSR Solid State Relay
This is a DC Input DC Output SSR Solid State Relay. It was made for Printing or Photo Processing Equipment. It has an optical isolation […]