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Phone: +86 16626708626Description
Product Core Brief
- Model: 07KT98 GJR5253100R0272
- Brand: ABB
- Series: Advant Controller 31 (Procontic CS31 / AC31 Series 90)
- Core Function: Compact CPU with integrated I/O, Ethernet TCP/IP, and PROFIBUS-DP for control and networking
- Product Type: Basic Unit / Compact Controller (CPU + onboard I/O)
- Key Specs: 24 VDC supply, onboard 8 analog inputs / 4 analog outputs / digital I/O, Ethernet TCP/IP interface, PROFIBUS-DP master/slave, SmartMedia card for OS/program/data
- Condition: New Surplus / New Original (obsolete part, limited spares available)
- 07KT98 GJR5253100R0272
3. Key Technical Specifications
- Supply Voltage: 24 VDC (typical range 19.2–30 V)
- Onboard Analog Inputs: 8 channels (configurable 0–5 V, –5–+5 V, 0–10 V, etc.)
- Onboard Analog Outputs: 4 channels (configurable 0–10 V, 0–20 mA, 4–20 mA, etc.)
- Onboard Digital I/O: Varies by config (often 24 VDC inputs/outputs; exact count per application)
- Communication Interfaces: Ethernet TCP/IP (100 Base-T), PROFIBUS-DP (master or slave), programmable serial RS-232/RS-485
- Memory/Storage: SmartMedia card for operating system, user program, and data (EEPROM/flash elements)
- Expansion: CS31 bus for remote I/O stations (up to 31 stations)
- Programming: 907 PC 31 software (ladder, function blocks, etc.)
- LED Indicators: Power, Run/Stop, I/O status, comms/error, Ethernet/PROFIBUS activity
- Operating Temperature: 0 to +55 °C
- Storage Temperature: –25 to +75 °C
- Mounting: DIN rail
- Status: Obsolete by manufacturer – spares only
4. Product Introduction
The ABB 07KT98 GJR5253100R0272 is a compact basic unit for the Advant Controller 31 automation system. It combines CPU processing, mixed analog/digital I/O, Ethernet TCP/IP networking, and PROFIBUS-DP in one DIN-rail module—ideal for standalone machines or distributed setups with remote I/O via the CS31 bus in applications like material handling, packaging, or small processes.
This variant adds modern Ethernet for programming/HMI/SCADA links and PROFIBUS for fieldbus integration, while keeping full backward compatibility with existing AC31/CS31 networks. Legacy users select it for direct drop-in replacements that retain programs, addressing, and I/O configurations—extending service life without migrating to AC500 or newer platforms.
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No power LEDs | Supply missing or polarity wrong | ✅ High | Measure 24 VDC at terminals | Verify PSU/wiring; check polarity |
| Run LED off | No program or Stop mode | ✅ High | Connect 907 PC 31; check status/registers | Download program; set to RUN |
| Ethernet no link/activity | Cable fault or IP mismatch | ✅ High | Check link LED; ping IP from PC | Verify cable; set IP via tool |
| PROFIBUS comms fail | Bus termination/address conflict | ✅ High | Check PROFIBUS LEDs; verify dip switches/master config | Inspect cable/terminators; re-address |
| Analog inputs stuck/erratic | Wiring open or range mismatch | ✅ High | Force test signal; read values in software | Confirm field wiring; check config |
| Analog outputs no change | Load exceed or config error | ✅ Medium | Measure output terminals under force | Verify range/load; test with meter |
| Program lost on power cycle | SmartMedia card fault or corruption | ✅ Medium | Read card in tool; checksum verify | Reload from backup; replace card if bad |
AC31 basic units rarely fail outright—issues usually trace to power, cabling (Ethernet/PROFIBUS/CS31), config mismatches, or storage-aged media. Note LEDs, comms status, and software diagnostics. Send photos/logs if intermittent; we can isolate common culprits fast.
6. Frequently Asked Questions (FAQ)
What does GJR5253100R0272 specify? It’s the full order number for the 07KT98 variant with Ethernet TCP/IP + PROFIBUS-DP (master/slave). Differs from R0262 (ARCNET + PROFIBUS). Same core CPU/I/O but targeted comms. Swaps work interchangeably in most CS31 setups without changes.
Is the 07KT98 still made new by ABB? No, Advant Controller 31 / AC31 series is obsolete. We carry new surplus—unused, sealed or new-old-stock from spares. Identical operation to factory units but no active ABB support.
How is programming done? Via 907 PC 31 software over serial or Ethernet. Load programs to SmartMedia card. Always back up before swaps—easy reload if media intact.
Can I use Ethernet for programming and HMI simultaneously? Yes—the Ethernet interface supports TCP/IP for multiple connections (programming, OPC, or Modbus TCP if enabled). PROFIBUS handles field devices separately.
Will swapping lose my program or I/O map? No—program/data on SmartMedia card (non-volatile). Power down, swap, power up; boots existing logic if card good. If card fails (age-related), reload from backup via Ethernet/serial.
Why surplus over refurbished? Surplus has no field runtime—no I/O wear, no card write cycles, no thermal stress. Refurbs often from failed systems with partial fixes. We test every 07KT98 GJR5253100R0272: power-up, LED check, Ethernet ping, PROFIBUS loop test (if possible), I/O force, program load sim, extended run.
What warranty do you offer? 1-year functional when installed per specs. Covers defects, not cabling, surges, or media corruption from age/storage. Test reports with power-up photos, comms verification, and I/O checks available on request.
