Product Core Brief
- Full Model Number: 1TGE120021R0110
- Series: ABB MNS IS MLink 多传动系统通讯网关
- Brand: ABB
- Core Function: Specialized gateway for ABB MControl multi-drive motor control cabinets, acts as PROFIBUS DP-V1 master station, bridges internal switchgear bus (Swg Bus) and upper plant DCS/operator HMI. Realizes unified data collection of up to 60 MControl drive units, supports OPC server, MView local monitoring and fault event timestamp upload to plant control systems.
- Product Type: Rack-mounted standalone industrial communication gateway unit (not PCB card, complete box controller)
- Key Specs: PROFIBUS DP-V1 master interface | Internal Swg Bus for MControl drives | Dual Ethernet (LAN1/LAN2) for HMI/OPC | RS485 Modbus RTU auxiliary port | 24VDC wide-range power supply | IP51 cabinet protection | MTBF 46 years @40°C ⚠️ Mature EOL product, limited surplus spare stock
Product Introduction
The ABB 1TGE120021R0110 MLink is a dedicated communication gateway exclusively used in ABB MNS low-voltage multi-drive cabinet systems, serving as the core data exchange hub between internal drive controllers and plant distributed control systems (DCS/System800xA/Symphony Plus).
It differs from general PROFIBUS communication modules (CI854):
- Built-in proprietary Swg Bus interface dedicated to MControl multi-drive internal cabinet bus;
- Supports unified monitoring of up to 60 drive units in one cabinet;
- Integrates dual Ethernet for redundant upper-level monitoring and OPC data publishing;
- Equipped with local MView web monitoring function for on-site drive parameter checking and fault diagnosis.
This model is PROFIBUS DP variant of the MLink series, matched with PROFIBUS DP communication connectors, widely deployed in metallurgy, mining, cement, paper and chemical multi-drive production lines. OEM field MTBF reaches 62,000 hours under continuous 50°C cabinet operating temperature.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Compatible Drive System | ABB MControl multi-drive unit (max 60 drives per single MLink) |
| Main Communication Interface | PROFIBUS DP-V0 / DP-V1 master station, DB9 female connector |
| Internal Cabinet Bus | Swg Bus (dedicated switchgear bus for MControl drives) |
| Auxiliary Interfaces | Dual independent 10/100M Ethernet RJ45; isolated RS485 Modbus RTU |
| Supported Upper Protocols | PROFIBUS DP, Modbus RTU/TCP, OPC DA, IEC 60870-5 |
| Operating Power Supply | 24 VDC (19–31 VDC wide range DC input) |
| Power Consumption | Typical 800 mA, maximum 1000 mA full load |
| Mechanical Dimensions | H 140 mm × W 160 mm × D 165 mm |
| Net Weight | 2.5 kg complete unit |
| Enclosure Protection Class | IP51 (cabinet internal installation only) |
| Operating Ambient Temp | 0 °C ~ +55 °C full performance; linear derate above 55°C |
| Storage Temperature Range | -20 °C ~ +70 °C, 5–93% RH non-condensing |
| Onboard Diagnostics | Swg Bus communication LED status, PROFIBUS run/ready indicators, power fault alarm, CF card fault storage |
| Data Storage | Removable CF card for fault event logs, drive parameter backup, timestamped disturbance records |
| Integrated Protection Circuits | All communication ports ESD surge clamping, DC power reverse polarity lockout, short-circuit current limiting |
| Certifications | UL, CE, RoHS, EN61000 Class A industrial EMC filtering for heavy industry drive cabinets |
Quality Control Process
- Incoming Verification: Cross-reference serial number and full part code 1TGE120021R0110 against ABB MNS OEM trace databases; inspect front panel LED indicators, PROFIBUS/Ethernet/RS485 ports for pin bending, CF card slot integrity, cabinet shell for deformation. Photograph front panel interface layout and terminal wiring mapping for drive cabinet commissioning reference.
- Live Functional Test: Mount unit into standard MNS test cabinet paired with simulated MControl drive banks and System800xA CI854 PROFIBUS DP communication module; run continuous 24-hour cyclic drive data polling test, simulate single drive offline fault to verify fault alarm upload and MView web monitoring real-time refresh. Log 24 VDC supply voltage stability with Fluke 115 multimeter full test duration.
- Electrical Parameter Test: Perform 500 V Megger insulation resistance test between all communication field circuits and unit chassis ground; pass threshold >10 MΩ. Verify PROFIBUS DP seamless slave polling without data loss when multiple drives are offline simultaneously.
- Firmware & Protocol Verification: Read factory MLink gateway firmware revision via MView web interface; document default PROFIBUS baud rate, Swg Bus address range and OPC server parameter settings for site commissioning reference. Test cross-protocol data transmission between Modbus RTU and PROFIBUS DP.
- Final QC & Packaging: Clean all communication port connectors; seal gateway inside anti-static foam sleeve, attach dated QC Pass label listing bus continuity, insulation, multi-drive polling and fault recording test metrics before shock-resistant carton shipping packaging.
Replacement Pitfall Guide
❗ MLink Model Code Mismatch Risk: Other MLink variants (Modbus/Profinet model codes) cannot substitute 1TGE120021R0110. Different part numbers correspond to different upper communication protocols; direct replacement will lose PROFIBUS DP DCS uplink function and require full cabinet communication topology redesign. Only match full 1TGE120021R0110 part number for PROFIBUS DP MNS multi-drive cabinets.❗ Partial Swg Bus Connector Insertion Risk: Loose internal cabinet bus connector creates high-resistance communication paths leading to intermittent drive offline alarms and missing speed/torque data during production load transients. Push Swg Bus connector fully home until lock latch clicks and Swg Bus Tx/Rx LED steady green.❗ PROFIBUS Cable Termination & Ground Misconfiguration Risk: Missing 120Ω termination resistors at both bus endpoints or dual-point shield grounding generates severe 50/60Hz EMI interference, causing random drive communication dropout. Use shielded PROFIBUS DP cable; single-point shield grounding only at DCS cabinet terminal block, enable built-in bus termination on end stations.❗ MNS Cabinet Power Headroom Miscalculation Risk: A drive cabinet equipped with one MLink gateway draws maximum 24 W DC load from 24 V auxiliary supply. Calculate total cabinet auxiliary load with mandatory 20% power margin to avoid voltage sag during simultaneous multi-drive fault data upload surges.❗ Uncontrolled ESD Damage Risk: Dry drive cabinet control room air builds high static charge rapidly. Touch grounded anti-static mat for three full seconds before handling all RJ45/DB9 communication ports and CF card slots; ungrounded contact will damage low-tolerance communication transceiver ASICs.Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
Compatibility Matrix
- Modbus MLink variant → 1TGE120021R0110 : Needs Adaptation — complete cabinet communication bus rework and DCS PROFIBUS interface hardware replacement
- ABB MControl multi-drive unit → 1TGE120021R0110 : Direct — proprietary Swg Bus natively reads drive speed, current, temperature and fault status data
- ABB CI854 (3BSE025347R1) System800xA PROFIBUS DP module → 1TGE120021R0110 : Direct — MLink acts as PROFIBUS DP slave, uploads all multi-drive measurement points to DCS
- VM310 24 V cabinet auxiliary power supply → 1TGE120021R0110 : Direct — regulated 24 V DC output matches unit 19–31 V wide input window without extra voltage conditioning
- ABB REF615 feeder protection relay → 1TGE120021R0110 : Needs Adaptation — add Modbus TCP gateway to exchange cabinet auxiliary voltage/frequency interlock signals between protection IED and drive gateway
- CML40.2-SP-330-NA-NNNN-NW Rexroth SERCOS motion PLC → 1TGE120021R0110 : Needs Adaptation — wire MLink global communication fault dry contacts to PLC digital inputs, map drive torque/speed registers via PROFIBUS DP polling






