{"product_id":"model-2220-modbus-quad-pulse-meter-interface","title":"MODEL 2220 Modbus Quad Pulse Meter Interface","description":"\u003cp\u003eThe Model 2220 is a Quad channel pulse meter interface with integrated Modbus communication capability. Modbus is a very popular open communication standard that is available on many third party controllers, data acquisition systems and man-machine interfaces. The Model 2220 is self-contained. It contains the Quad dry contact switch inputs, processor, power supply and an isolated RS485 communication interface. The dry contacts can be a mechanical relay, solid state relay or a pull to ground NPN type output. Up to 1K Ohm total contact and wiring resistance is tolerated. The inputs can also tolerate a voltage of up to 60 VDC.\u003c\/p\u003e","brand":"Engenuity Systems","offers":[{"title":"Default Title","offer_id":50732403654914,"sku":"NRC1A-11","price":285.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/1839\/2578\/files\/2220_1_Main_5.jpg?v=1792018097","url":"https:\/\/engenuity.com\/products\/model-2220-modbus-quad-pulse-meter-interface","provider":"Engenuity Systems","version":"1.0","type":"link"}