{"product_id":"general-electric-ic690acc903-series-90-70-rs-485-port-isolator","title":"General Electric IC690ACC903 Series 90-70 RS-485 Port Isolator","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe General Electric \u003cstrong\u003eIC690ACC903\u003c\/strong\u003e is an RS-485 Port Isolator that adds opto-isolated signal channels between an RS-485 serial port and connected communication equipment on GE programmable controller networks. The IC690ACC903 replaces the earlier IC655CMM590 Isolated Repeater\/Converter, commonly referred to as the \"Brick,\" and provides 500 volts of isolation in a compact package that services the IC693 (Series 90-30), IC697 (Series 90-70), and IC200 (VersaMax) PLC product lines.\u003c\/p\u003e\n\u003cp\u003eThe IC690ACC903 connects directly to an RS-485 serial port, or through the short extender cable supplied with the unit for panel-mounted or space-constrained installations. A slide switch on top of the module selects single-drop (port-to-port) or multi-drop operating mode, allowing the Isolator to be deployed in point-to-point isolation links or in multi-device RS-485 networks with up to eight devices on a multidrop segment.\u003c\/p\u003e\n\u003cp\u003eInternally, the IC690ACC903 isolates four signal channels (SD, RD, RTS, and CTS) using optical isolation and a 5V DC\/DC converter for power isolation between the host port and the connected equipment. The module supports hot insertion into an existing communication channel and can also be configured for external power supply through a custom cable, maintaining communications continuity during a host system power cycle.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour opto-isolated signal channels: SD, RD, RTS, and CTS\u003c\/li\u003e\n\u003cli\u003e500 volts of isolation between the RS-485 host port and connected equipment\u003c\/li\u003e\n\u003cli\u003eElectrical compatibility with RS-485 (EIA-422\/485 balanced line)\u003c\/li\u003e\n\u003cli\u003eSelectable single-drop (port-to-port) or multi-drop operation via slide switch\u003c\/li\u003e\n\u003cli\u003eInput termination consistent with standard serial channel requirements\u003c\/li\u003e\n\u003cli\u003eIntegrated 5V DC\/DC converter for power isolation\u003c\/li\u003e\n\u003cli\u003eHot insertion supported into an existing communication channel\u003c\/li\u003e\n\u003cli\u003eCompact contoured enclosure for direct port mounting or panel mounting with the supplied extender cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdding electrical isolation to RS-485 serial links on GE Series 90-30 (IC693), Series 90-70 (IC697), or VersaMax (IC200) PLC serial ports\u003c\/li\u003e\n\u003cli\u003ePoint-to-point and multi-drop RS-485 communication networks requiring surge or ground-loop protection\u003c\/li\u003e\n\u003cli\u003ePanel-mounted installations where direct connection to the PLC serial port is obstructed by surrounding equipment\u003c\/li\u003e\n\u003cli\u003eApplications requiring externally powered isolation to maintain communications during PLC power cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eMechanical\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-485 Connectors\u003c\/td\u003e\n\u003ctd\u003e15-pin D-shell male (PL1) for direct mounting to the PLC serial port; 15-pin D-shell female (PL2) for the communication cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Thumbscrews\u003c\/td\u003e\n\u003ctd\u003eTwo M3 thread, supplied with the Isolator; recommended torque 8 in.\/lbs. (0.9 Newton-meter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePanel Mounting Hardware\u003c\/td\u003e\n\u003ctd\u003eTwo #6-32 (4 mm) thread screws, user-supplied; recommended torque 12 in.\/lbs. (1.4 Newton-meter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eElectrical\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Supply\u003c\/td\u003e\n\u003ctd\u003e+5VDC, supplied by the host port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Current\u003c\/td\u003e\n\u003ctd\u003e25 mA; up to 100 mA available for external equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround Isolation\u003c\/td\u003e\n\u003ctd\u003e500 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConformance\u003c\/td\u003e\n\u003ctd\u003eEIA-422\/485 balanced line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003eThose supported by the connected PLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePL1 - 15-pin male D-connector (direct port mounting)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003ePin Name\u003c\/th\u003e\n\u003cth\u003ePin Type\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSHLD\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eChassis Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e+5V Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eCTS (A')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eClear to Send -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e0V\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSignal Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eRTS (B)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eRequest to Send +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eSD (A)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eSend Data -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eSD (B)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eSend Data +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eRD (A')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eRead Data -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eRD (B')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eRead Data +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eCTS (B')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eClear to Send +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eRTS (A)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eRequest to Send -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePL2 - 15-pin female D-connector (communication cable)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003ePin Name\u003c\/th\u003e\n\u003cth\u003ePin Type\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eNo Connection (connected to module ID resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e+5V Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eRTS (A)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eRequest to Send -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e0V\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSignal Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eCTS (B')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eClear to Send +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eRT\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eTerminating Resistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eRD (A')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eRead Data -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eRD (B')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eRead Data +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eSD (A)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eSend Data -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eSD (B)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eSend Data +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eRTS (B)\u003c\/td\u003e\n\u003ctd\u003eOut\u003c\/td\u003e\n\u003ctd\u003eRequest to Send +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eCTS (A')\u003c\/td\u003e\n\u003ctd\u003eIn\u003c\/td\u003e\n\u003ctd\u003eClear to Send -\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNote: Pin assignments are identical between PL1 and PL2, except that pin 4 on PL2 connects to the module ID resistor. To use the terminating resistor at pin 9, place a jumper wire from pin 9 to pin 10.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDetermine the mounting method: direct attachment to the PLC RS-485 serial port, or panel mounting using the extender cable supplied with the unit.\u003c\/li\u003e\n\u003cli\u003eFor direct attachment, connect the Isolator to the RS-485 serial port and secure it with the two supplied M3 connector thumbscrews, torqued to 8 in.\/lbs. (0.9 Newton-meter).\u003c\/li\u003e\n\u003cli\u003eFor panel mounting, secure the Isolator using two user-supplied #6-32 (4 mm) screws, torqued to 12 in.\/lbs. (1.4 Newton-meter).\u003c\/li\u003e\n\u003cli\u003eSelect single-drop (port-to-port) or multi-drop operating mode using the slide switch on the top of the module before connecting the communication cable.\u003c\/li\u003e\n\u003cli\u003eIn multi-drop configurations, install the terminating resistor jumper (pin 9 to pin 10) only at the first and last device on the bus, with a maximum of eight devices on a multidrop segment.\u003c\/li\u003e\n\u003cli\u003eIf external power is required to maintain communications during a host power cycle, wire +5V and GND through a custom external-power cable rather than relying on the host port supply, and do not daisy-chain +5VDC pins between devices.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53770253271403,"sku":"IC690ACC903","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/IC690ACC903_1200x1200_abef3a80-ba03-47c0-b76e-5aeb8caa0273.jpg?v=1788349306","url":"https:\/\/www.plcprotech.com\/it\/products\/general-electric-ic690acc903-series-90-70-rs-485-port-isolator","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}