Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Microset 104988-E03
Microset 104988-E03
Key Technical Specifications
| Parameter | Value |
|---|---|
| Power Supply | 24 V DC ±15%, ≤5W |
| Communication | RS485, Modbus RTU |
| Operating Temperature | -20°C to +70°C |
| Humidity | 10–90% non-condensing |
| Protection Class | IP20, cabinet mount |
| Input Type | Temperature and current sensor inputs |
| Protection Functions | Overcurrent, phase loss, phase imbalance, overtemperature |
| Certifications | CE, RoHS |
| Dimensions | 150mm × 100mm × 40mm |
| Weight | 0.5 kg |
Product Introduction
The Microset 104988-E03 Multiscan control card is a dedicated monitoring and protection module built for rotating equipment. It reads temperature and current sensor signals and triggers trips when pre-set fault thresholds are exceeded.
This board interfaces directly with PLC and DCS platforms over RS485 Modbus RTU. Its coated PCB resists condensation and light chemical vapor common inside electrical cabinets, lowering false trip rates on continuous-duty assets.
Microset 104988-E03
Application Scenarios & Field Experience
Part 1 (Narrative Paragraph)
Many continuous-run facilities face unplanned trips from unmonitored motor winding temperature or hidden phase imbalance. Standard overload relays often miss slow thermal drift. This Microset module combines current monitoring and multi-point temperature sensing to catch developing faults before winding insulation fails.
Part 2 (Numbered List)
- Power generation: Generator auxiliary motor monitoring, protects cooling fans and lube oil pumps.
- Oil & gas: Process pump motor protection on crude transfer skids.
- Marine automation: Vessel compressor motor thermal monitoring inside high-humidity engine rooms.
- HVAC: Large chiller motor protection for district cooling plants.
Part 3 (Short Field Story)
A refinery lube pump tripped repeatedly after minor voltage sags. The original control card drifted and misread winding temperature. We fitted a Microset 104988-E03 replacement. Calibration matched existing sensor wiring, and the unit locked in stable readings. The pump ran 18 months without nuisance trips after swap-out.
Microset 104988-E03
Microset 104988-E03
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Check OEM labeling, board coating, and anti-counterfeit markers; reject units with scratched PCB or tampered seals.
- Live Rig Testing: Apply 24V DC supply, run power-on self-test, verify RS485 Modbus handshake with test controller.
- Firmware Verification: Record firmware revision number on test log; confirm firmware matches documented revision for the model.
- ESD-Safe Packaging: Pack inside static shielding bag, foam insert, sealed carton with ESD warning label.
Frequently Asked Questions (FAQ)
Q1: Can I use the Microset 104988-E03 to upgrade older Microset Multiscan systems? A: It directly replaces older Multiscan cards with the same terminal pinout. Confirm sensor wiring and parameter setpoints before commissioning; mismatched temperature scaling will create false alarms.
Q2: What warranty comes with this Microset 104988-E03 module? A: We offer a 12-month warranty. The warranty does not cover damage from incorrect wiring, overvoltage, or installation outside rated environmental limits.
Q3: How fast can this unit ship, and do you hold stock? A: Most units are in stock and ready for dispatch. Final lead time is confirmed once you submit your procurement inquiry.
Q4: Will firmware version differences affect integration with my existing DCS? A: Yes. Older firmware revisions have limited register mapping. We supply the firmware revision number before shipment so your controls team can validate register tables.
Q5: Can I hot-swap the 104988-E03 while the motor stays online? A: Do not hot-swap without preconfigured redundant control logic. Removing the card mid-operation breaks sensor monitoring and can trigger an unplanned equipment trip.
