{"product_id":"abb-07kp93-gjr5253200r1161-ac31-modbus-rtu-communication-processor","title":"ABB 07KP93 GJR5253200R1161 AC31 Modbus RTU Communication Processor","description":"\u003ch2\u003eABB 07KP93 Advant Controller 31 Communication Processor\u003c\/h2\u003e\n\u003cp\u003eConfigured for serial data exchange in AC31 automation networks, the \u003cstrong\u003eABB 07KP93\u003c\/strong\u003e (\u003cstrong\u003eGJR5253200R1161\u003c\/strong\u003e Communication Processor) provides direct physical and electrical execution of Modbus RTU Master\/Slave protocol conversion.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e07KP93 (GJR5253200R1161)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.58 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 35 mm DIN rail form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Standards\u003c\/td\u003e\n\u003ctd\u003eRS-232 \/ RS-485 (Field configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e2 x Serial (COM3, COM4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Network Determinism\u003c\/h3\u003e\n\u003cp\u003eThe 07KP93 manages protocol processing independently of the main PLC CPU, preventing communication overhead during high-frequency data polling. To maintain network determinism, the module uses dedicated serial buffers that handle asynchronous Modbus RTU frames, ensuring that timing constraints are met even when multiple slave devices are polled concurrently. The integration of high-speed serial interfaces allows for I\/O density scaling within the AC31 architecture, enabling the aggregation of data from distributed field devices into the primary controller. Firmware stability is maintained through internal watchdog timers, which trigger a safe-state execution in the event of an interface bus hang or communication timeout.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 07KP93 serial ports be configured for different interface standards simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the two ports (COM3 and COM4) are independently field-configurable. You may set one to RS-232 for local programming or diagnostic access, while the other is set to RS-485 for long-distance Modbus RTU field communication.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 07KP93 support hot-swapping on the AC31 rack?\u003c\/p\u003e\n\u003cp\u003eA: No, the 07KP93 is not designed for live insertion. The AC31 controller and the associated power supply must be de-energized before removing or installing the module to avoid damage to the backplane pins and communication interface circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module onto a 35 mm DIN rail, ensuring the locking clip is fully engaged to maintain structural stability under vibration.\u003c\/li\u003e\n\u003cli\u003eVerify the supply voltage at the 24 VDC terminals before connection; ensure the wiring uses appropriate gauge and is shielded to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eIf utilizing RS-485, ensure proper termination resistors (typically 120 ohms) are applied at both physical ends of the communication line to prevent signal reflection.\u003c\/li\u003e\n\u003cli\u003eConfirm serial interface settings (baud rate, parity, stop bits) via the AC31 engineering software to match the connected slave devices.\u003c\/li\u003e\n\u003cli\u003eObserve the front panel LED indicators: \"RUN\" should be illuminated steadily, while \"COM\" LEDs should flicker in proportion to active data traffic.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":42915335700570,"sku":"07KP93","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/45_f751fba3-fc93-45dd-ad95-c1ba2fcc04cd.jpg?v=1770860845","url":"https:\/\/www.spareoil.com\/products\/abb-07kp93-gjr5253200r1161-ac31-modbus-rtu-communication-processor","provider":"SpareOil Automation","version":"1.0","type":"link"}