{"product_id":"abb-07kt97-wt97-central-unit-basic-unit","title":"ABB 07KT97 WT97 Central Unit Basic Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB 07KT97\u003c\/strong\u003e (also known as \u003cstrong\u003eWT97 Basic Unit\u003c\/strong\u003e, Product IDs: \u003cstrong\u003eGJR5253000R0160\u003c\/strong\u003e, \u003cstrong\u003eGJR5253000R0100\u003c\/strong\u003e) is the \u003cstrong\u003eflagship CPU module\u003c\/strong\u003e of the \u003cstrong\u003eAdvant Controller 31 (AC31)\u003c\/strong\u003e series. Engineered for \u003cstrong\u003elarge-scale distributed control systems\u003c\/strong\u003e, the 07KT97 combines massive memory capacity, extensive built-in I\/O, and versatile communication options. With \u003cstrong\u003e480 kB user program memory\u003c\/strong\u003e and \u003cstrong\u003e256 kB user data memory\u003c\/strong\u003e, it handles the most complex automation logic with ease. It manages up to \u003cstrong\u003e31 remote CS31 bus stations\u003c\/strong\u003e, making it the backbone of demanding industrial processes worldwide.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct IDs:\u003c\/strong\u003e GJR5253000R0160, GJR5253000R0100, GJR5253000R0276 (Ethernet-ARCNET variant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e Advant Controller 31 (AC31) \/ Advant OCS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PLC Basic Unit \/ Central Processing Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e 32-bit RISC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser Program Memory:\u003c\/strong\u003e 480 kB (non-volatile)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser Data Memory:\u003c\/strong\u003e 256 kB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBit Instruction Execution Time:\u003c\/strong\u003e 0.3 – 0.5 µs (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Inputs:\u003c\/strong\u003e 24 channels, 24 V DC, with LED indicators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Outputs:\u003c\/strong\u003e 16 channels, transistor type, 24 V DC, with LED indicators\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Digital I\/O:\u003c\/strong\u003e 8 channels (can function as input, output, or re-readable output)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e 8 channels, configurable (0–10 V, ±10 V, 0–20 mA, 4–20 mA, differential)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Outputs:\u003c\/strong\u003e 4 channels, configurable (±10 V, 0–20 mA, 4–20 mA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Bus:\u003c\/strong\u003e CS31 (built-in master, up to 31 slave stations)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Interfaces:\u003c\/strong\u003e RS-232 \/ RS-485 (programming and peer-to-peer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional Communication:\u003c\/strong\u003e PROFIBUS-DP (07KT97-R0220), ARCNET (07KT97-R260), Ethernet-ARCNET (07KT97-R0276)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC (±20%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 5 – 7 W (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C (standard); -20°C to +60°C (extended variants)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +75°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e ~45 mm × 120 mm × 115 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~0.4 – 0.8 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail EN 50022-35\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL, cULus, GL, ABS, CSA, DNV, LR, RINA, RMRS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassive Memory:\u003c\/strong\u003e 480 kB program + 256 kB data memory accommodates the most complex control strategies and extensive trend data logging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-in-One I\/O:\u003c\/strong\u003e Integrated 24 DI, 16 DO, 8 configurable DIO, 8 AI, and 4 AO eliminate the need for separate I\/O modules in many applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Processing:\u003c\/strong\u003e Sub-microsecond bit instruction execution delivers real-time performance for time-critical loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCS31 Bus Master:\u003c\/strong\u003e Manages up to 31 remote stations with addressing flexibility (1–61, non-sequential), enabling truly distributed architectures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Communication:\u003c\/strong\u003e Base unit includes serial ports; optional variants add PROFIBUS-DP, ARCNET, or Ethernet for modern network integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Versatility:\u003c\/strong\u003e Configurable analog channels support voltage, current, and differential signals — adaptable to any sensor or actuator type.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Diagnostics:\u003c\/strong\u003e Comprehensive LED status indicators and built-in diagnostic functions minimize downtime and simplify maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChemical and petrochemical process control\u003c\/li\u003e\n  \u003cli\u003eOil and gas production and refining\u003c\/li\u003e\n  \u003cli\u003ePower generation and distribution\u003c\/li\u003e\n  \u003cli\u003eWater treatment and desalination plants\u003c\/li\u003e\n  \u003cli\u003ePulp and paper manufacturing\u003c\/li\u003e\n  \u003cli\u003eLarge-scale HVAC and building automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Snap the 07KT97 onto a 35 mm DIN rail (EN 50022). Ensure vertical orientation with terminals at top and bottom. Allow minimum \u003cstrong\u003e20 mm\u003c\/strong\u003e clearance on all sides for convection cooling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Connect \u003cstrong\u003e24 V DC\u003c\/strong\u003e to terminals L+ and M. The supply must be stable within ±20% tolerance. Use a regulated industrial power supply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI\/O Wiring:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eDigital Inputs: Connect 24 V DC field devices to DI terminals.\u003c\/li\u003e\n      \u003cli\u003eDigital Outputs: Connect loads to DO terminals (transistor outputs, max load per channel: verify datasheet).\u003c\/li\u003e\n      \u003cli\u003eAnalog I\/O: Connect sensors and actuators to AI\/AO terminals. Configure input\/output types and ranges via software.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCS31 Bus Configuration:\u003c\/strong\u003e Connect the CS31 bus cable to the designated terminals. Set station addresses for remote I\/O modules using their coding switches. The 07KT97 automatically polls all configured stations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication Module Installation:\u003c\/strong\u003e If using optional communication (PROFIBUS, ARCNET, Ethernet), install the appropriate module (e.g., 07KP93, 07MK92) adjacent to the basic unit and connect via the networking interface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the PE terminal and Faston earth terminal to the switchgear cabinet earth with a \u003cstrong\u003e6 mm²\u003c\/strong\u003e wire. Do not create earth loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgramming:\u003c\/strong\u003e Connect a PC via the RS-232 programming port. Use ABB AC31 programming software to develop, download, and debug the application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommissioning:\u003c\/strong\u003e Power on, verify all LED indicators (RUN, ERR, Supply, I\/O status), perform I\/O functional tests, and place the system in RUN mode.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 07KT97-R200 and 07KT97-R0220?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e-R200\u003c\/strong\u003e is the standard base unit. The \u003cstrong\u003e-R0220\u003c\/strong\u003e adds a \u003cstrong\u003ePROFIBUS-DP\u003c\/strong\u003e interface. The \u003cstrong\u003e-R260\u003c\/strong\u003e adds \u003cstrong\u003eARCNET\u003c\/strong\u003e, and the \u003cstrong\u003e-R0276\u003c\/strong\u003e adds \u003cstrong\u003eEthernet-ARCNET\u003c\/strong\u003e connectivity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How many I\/O points can the 07KT97 manage in total?\u003c\/strong\u003e\u003cbr\u003e\nA: With 31 remote CS31 stations and the built-in I\/O, the 07KT97 can manage \u003cstrong\u003ethousands of I\/O points\u003c\/strong\u003e. The exact limit depends on memory usage and communication bandwidth.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use the analog inputs as digital inputs?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The 8 analog input channels can be individually configured as digital inputs when analog measurement is not required, providing additional flexibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the 07KT97 suitable for safety-critical applications?\u003c\/strong\u003e\u003cbr\u003e\nA: The 07KT97 is designed for standard industrial automation. For SIL-rated safety applications, consider ABB's AC800M High Integrity or AC500-S safety PLC platforms.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the expected service life of the 07KT97?\u003c\/strong\u003e\u003cbr\u003e\nA: With proper installation and maintenance, AC31 controllers have demonstrated \u003cstrong\u003e20+ years\u003c\/strong\u003e of continuous operation in industrial environments. The non-volatile memory retains data without battery backup.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose the \u003cstrong\u003e07KT97\u003c\/strong\u003e when your application requires \u003cstrong\u003e480 kB program memory\u003c\/strong\u003e or extensive built-in analog I\/O. For smaller applications, consider \u003cstrong\u003e07KT93\u003c\/strong\u003e or \u003cstrong\u003e07KT51\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eSelect the appropriate variant suffix based on required communication: \u003cstrong\u003e-R200\u003c\/strong\u003e (standard), \u003cstrong\u003e-R0220\u003c\/strong\u003e (PROFIBUS), \u003cstrong\u003e-R260\u003c\/strong\u003e (ARCNET), \u003cstrong\u003e-R0276\u003c\/strong\u003e (Ethernet).\u003c\/li\u003e\n  \u003cli\u003eFor MODBUS RTU connectivity, add the \u003cstrong\u003e07KP93\u003c\/strong\u003e communication processor.\u003c\/li\u003e\n  \u003cli\u003eFor custom serial protocols, add the \u003cstrong\u003e07MK92\u003c\/strong\u003e freely programmable communication module.\u003c\/li\u003e\n  \u003cli\u003eWhen replacing a failed unit, always verify the exact model number and firmware version to ensure compatibility.\u003c\/li\u003e\n  \u003cli\u003eConsider the \u003cstrong\u003eAC500\u003c\/strong\u003e or \u003cstrong\u003eAC800M\u003c\/strong\u003e platforms for new installations requiring modern Ethernet, web server, or OPC UA connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53797589090488,"sku":"07KT97","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/07KT97E_GJR5253000R0200_1.png?v=1784701372","url":"https:\/\/www.globalpetroparts.com\/products\/abb-07kt97-wt97-central-unit-basic-unit","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}