What are the diagnostic capabilities of some advanced relay systems?

Basic Operation. To detect whether a mechanical switch is open or closed, connect one side of the switch to the LabJack's ground and the other side to a digital ... Aug 10, 2017 ... Hello all, What are the best options out there for a z-wave or zigbee controlled relay that will work with SmartThings Hub? Functional Devices RIB02BDC : Dry Contact Relay, 20 Amp SPDT, Class 2 Dry Contact Input, 208-277 Vac Power Input, NEMA 1 Housing ... The RIB01BDC is a high- ... The IMS-4000E Dry Contact Node provides eight dry contact inputs (normally open/normally closed) ... IMS-4000 Dual Relay Output Module · IMS Solution External ... Nov 18, 2018 ... I'm looking for a Z-Wave compatible device that has a dry-contact out. I don't want to use an extra relay for this. Any idea on Homey-compatible devices? Toshiba Part Number: UT1-RMT-CONTACT. Notes: 1. Dry Contact Relay Card is to convert UPS signals into real potential-free Dry Contacts for. Jan 22, 2007 ... Glass-enclosed contacts of the "dry reed" and mercury types have had an important part in achieving better performance. Another important ... Apr 17, 2017 ... For six relays you will need at least a ESP-07 or better an ESP-12E or 12F. The smaller ones do not have enough GPIO pins. But the ESP's usually are not ... Dec 30, 2018 ... Need zwave dry contact relay control · NuTone NFS20Z Smart Z-Wave Enabled Isolated Fixture Mounted Control, White... · Double Relay Switch - ... Connect dry contact relays and aftermarket smart garage door controller to Security+ 2.0 LiftMaster, Chamberlain or Craftsman opener with yellow “learn” button.