Description
At-A-Glance Executive Brief
- Model: 1TGE120021R0110
- Brand: ABB
- Part Type: MLink intelligent motor & feeder control unit for MNS iS MCC (Motor Control Center)
- Lifecycle status: EOL legacy power distribution spare; stocked for brownfield MNS iS low voltage motor control cabinet maintenance
- System compatibility: ABB MNS iS intelligent MCC cabinets; provides local motor/feeder protection, measurement, status monitoring and Profibus-DP communication to PLC/DCS for motor starters and distribution feeders
- Weight: ~0.85 kg
Technical Introduction
Failure of 1TGE120021R0110 disables the MLink local intelligence for the MNS iS feeder unit. Motor overload, short-circuit protection, current/voltage measurement, local status feedback and Profibus communication to the host DCS/PLC will be lost. Operators can no longer remotely monitor or trip the feeder, creating blind spots for motor protection and triggering MCC feeder lockout, plant downtime and equipment damage risk.
ABB 1TGE120021R0110 is the MLink intelligent control module for ABB MNS iS low-voltage motor control center. It serves as the local intelligent node for individual motor starters and distribution feeders. The module collects current, voltage, power and thermal data, executes motor overload, earth fault and feeder protection logic locally, and transmits all measured values, fault alarms and device status over Profibus-DP to the plant control system. It supports local status indication, fault recording and remote control commands from DCS/PLC. The plug-in MLink design is integrated within each MNS iS feeder compartment, separating power and control circuits for improved safety. Widely deployed in oil & gas, chemical, water treatment and power plant low-voltage MCC systems. Power distribution reliability teams stock 1TGE120021R0110 to restore MNS iS feeder intelligence, protection and Profibus communication.
- Best Suited For
- ABB MNS iS intelligent MCC cabinet motor starter and distribution feeder control
- Local motor protection, electrical measurement and Profibus-DP fieldbus communication
- Direct drop-in replacement for existing ABB MNS iS MLink 1TGE120021R0110 control hardware
Core Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 1TGE120021R0110 |
| Manufacturer | ABB |
| Product Type | MLink Intelligent Motor & Feeder Control Unit (MNS iS MCC) |
| Fieldbus | Profibus-DP |
| Monitoring | Current, voltage, power, energy, thermal load, fault status |
| Protection Functions | Motor overload, earth fault, phase imbalance, short-circuit supervision |
| Auxiliary I/O | Digital status inputs, relay alarm outputs |
| Control Supply | 24 VDC nominal |
| Mounting | Plug-in module inside MNS iS feeder compartment |
| Protection Class | IP20 (control compartment) |
| Operating Temperature | -20℃ ~ +60℃ |
| Humidity | 5–95% RH non-condensing |
| Weight | ~0.85 kg |
| Environmental Details | Please refer to ABB MNS iS official manual for full IEC certification, EMC and shock/vibration specs. |
Field Engineer’s Tech Notes
- Confirm full part number, MNS iS cabinet revision, Profibus address, feeder type (motor or distribution) and protection setting file before replacement; wrong address or protection parameters may cause false trips or loss of protection.
- Implement lockout/tagout for the MCC feeder power and control supply before module removal; power compartment must be isolated per MNS iS safety procedure.
- Inspect Profibus bus cable, terminator, connector shielding and 24VDC control power; bus noise, missing termination and unstable 24V are common root causes of intermittent MLink communication failures.
- After installation, verify 24V control power-up, Profibus-DP bus scan and module identification, upload protection parameters, test measurement reading and fault alarm functions. Validate remote DCS control and status feedback, clear all faults and remove lockout before returning feeder online.
- ESD protection required while handling MLink electronic module.
- Perform Profibus network health audit and MLink parameter backup during MCC preventative maintenance.
Adaptive QA & Testing Protocol
Each 1TGE120021R0110 MLink module is bench tested on MNS iS test setup. We verify 24VDC power boot, Profibus-DP communication, analog measurement accuracy, overload/earth fault alarm simulation and digital I/O response. PCB, front indicators and connector pins are visually inspected for burn marks, corrosion or thermal damage. Full test reports are available upon request.
Buyer’s FAQ
Q: What is ABB 1TGE120021R0110 used for? A: It is the MLink intelligent control module for ABB MNS iS MCC, providing local motor/feeder protection, electrical measurement and Profibus-DP communication between MCC feeders and plant DCS/PLC.
Q: What warranty applies for refurbished and NSFP 1TGE120021R0110? A: Refurbished and NSFP units carry a 12-month hardware warranty. Coverage excludes ESD damage, Profibus wiring surge damage, protection parameter mismatch, improper lockout/tagout and bus termination errors.
Q: What lead time should I expect? A: Stocked units ship 3–7 business days. If inventory depleted, we source surplus ABB 1TGE120021R0110 MLink modules.
Q: Can 1TGE120021R0110 be hot swapped? A: Module can be extracted with feeder power isolated; hot-swap while feeder live is not permitted. 24V control power must be isolated before removal.
Q: Is 1TGE120021R0110 still in production? A: No, the MNS iS MLink series including 1TGE120021R0110 is end-of-life legacy MCC control hardware.
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