ABB 500PSM02 AD-272.100.20-01 | ABB 1MRB150015R1 Power Supply Module

• Model: 500PSM02
• ABB Part Number: 1MRB150015R1
• Additional Identification: AD-272.100.20-01 AZ:C
• Brand: ABB
• Series / Family: ABB 500 Series / Procontrol P13
• Part Type: Power supply module
• Core Function: Supplies regulated power to the associated ABB control-system electronics and module rack.
• Key Specs: The 500PSM02 is identified across industrial automation references as an ABB power supply module; the complete identification commonly appears as 500PSM02 / 1MRB150015R1 / AD-272.100.20-01 AZ:C.

Product Introduction

A failed system power module can bring an entire automation rack offline even when the CPU, I/O modules, and field wiring remain operational. The ABB 500PSM02 is a dedicated power-supply assembly used in ABB legacy control-system applications, with 1MRB150015R1 and AD-272.100.20-01 AZ:C appearing as associated identification numbers.

For maintenance procurement, the complete marking is important. Suppliers identify the unit primarily as a Power Supply Module, and it appears in spare-parts catalogs alongside ABB 500-series control modules such as 500AIM02, 500BIM01, and 500MTM02.

Core Technical Specifications

ABB 500PSM02 AD-272.100.20-01

The 60 W rating and 24 VDC input are reported by industrial automation spare-part references; detailed electrical limits should be checked against the applicable ABB documentation for the installed system and revision.

Application Scenarios & Pain Points

In a legacy process-control rack, loss of the power module can affect several downstream modules at once. The 500PSM02 is used as a system power component, making it relevant to maintenance teams supporting older ABB control installations.

For petrochemical and continuous-process facilities, maintaining an identified spare power module can reduce recovery time when a rack loses its internal supply. The 500PSM02 is commonly listed alongside ABB 500-series control modules used in industrial automation environments.

During cabinet troubleshooting, technicians should verify the incoming DC supply before condemning the module. A degraded external supply, loose connection, or grounding problem can produce symptoms that resemble an internal power-supply failure.

At approximately 50°C ambient temperature, thermal management becomes increasingly important for aging power electronics. Check cabinet ventilation, module spacing, dust accumulation, and nearby heat sources before installing a replacement.

Common Error Codes & Diagnostic Symptoms

Symptom: Multiple rack modules lose power simultaneously
→ Diagnosis: A common power-supply failure is a strong possibility when several dependent modules become unavailable at the same time.
→ Action: Check incoming DC voltage and module connections; replace the 500PSM02 if the power module is confirmed defective.

Symptom: Control system repeatedly resets or drops offline
→ Diagnosis: An unstable or overloaded power supply can cause voltage instability and repeated system interruptions.
→ Action: Measure the supply under load and inspect associated wiring before replacing the module.

Symptom: Power-related status indication remains abnormal
→ Diagnosis: Internal power-conversion circuitry, input protection, or an associated rack connection may be malfunctioning.
→ Action: Verify the external supply and rack interface, then replace the 500PSM02 when internal failure is established.

Note: No reliable ABB-specific numeric fault-code list has been established for the 500PSM02 itself. System alarms should be interpreted using the documentation for the host ABB control platform.

Cross-Reference & Lifecycle Migration

• Primary model: 500PSM02
• ABB ordering number: 1MRB150015R1
• Additional identification: AD-272.100.20-01 AZ:C.
• Related model: 500PSM03 / 1MRB150038R1 appears in the same ABB 500-series spare ecosystem, but it should not be treated as a direct substitute without checking the system’s power requirements.
• Cross-reference caution: 500PSM02, 500PSM03, and other 500-series modules are not automatically interchangeable. Match input requirements, output capacity, mechanical configuration, and rack compatibility.
• Firmware: The power-supply module itself does not normally require application firmware flashing.
• Lifecycle: The 500PSM02 is best treated as a legacy maintenance spare, with current sourcing primarily occurring through industrial automation spare-part channels.
• Buffer-stock strategy: For critical legacy ABB racks, keeping one tested 500PSM02 in inventory is sensible because a power-module failure can affect multiple control modules simultaneously.

Field Engineer’s Tech Notes

Warning 1 — Measure the incoming supply first.
Do not immediately replace the 500PSM02 because the rack is dark. Measure the DC input at the module under the actual load condition. A failed upstream supply or loose terminal can produce the same symptom (and installing another module will not correct it).

Warning 2 — Match the complete identification.
Check 500PSM02 + 1MRB150015R1 + AD-272.100.20-01 AZ:C against the existing unit. Do not substitute another 500-series power module based only on physical fit or nominal voltage.

Strict QA & Testing SOP

1. Part identification — Confirm 500PSM02, 1MRB150015R1, and AD-272.100.20-01 AZ:C.
2. Label inspection — Record all identification markings and hardware-revision information.
3. Physical inspection — Examine the housing, PCB, terminals, connectors, and mounting interface.
4. Damage screening — Check for corrosion, discoloration, cracked components, contamination, and overheating marks.
5. Input verification — Confirm the available DC supply is within the applicable input range before energizing the unit.
6. No-load electrical test — Verify appropriate output behavior under controlled conditions.
7. Load testing — Connect the module to a compatible test load or ABB rack and monitor voltage stability.
8. Thermal observation — Monitor operating temperature and check for abnormal heating during extended operation.
9. System integration test — Verify stable power delivery to the associated ABB control modules.
10. Extended run test — Observe the module for voltage fluctuation, resets, abnormal noise, or thermal instability.
11. Final QA record — Document test measurements, photographs, serial information, and condition.
12. Packaging — Use ESD-safe protection and suitable mechanical cushioning for shipment.

Test videos are available upon request for units that undergo functional testing.

Buyer’s FAQ

Q: What are the full identification numbers for this ABB power supply?
A: The primary identification is 500PSM02, with 1MRB150015R1 and AD-272.100.20-01 AZ:C appearing as associated ABB hardware references.

Q: Is the 500PSM02 a power supply or an I/O module?
A: It is a power supply module. Some online listings incorrectly classify or describe it as an I/O or control board, but multiple spare-part references identify 500PSM02 1MRB150015R1 specifically as a power supply module.

Q: Can I replace it with a 500PSM03?
A: Not automatically. The 500PSM03 is a different ABB power-supply variant. Verify the installed system’s input, output, load, rack, and redundancy requirements before considering substitution.

Q: What should I request from the supplier before buying?
A: Request clear photographs showing the 500PSM02, 1MRB150015R1, and AD-272.100.20-01 AZ:C markings, plus confirmation of the unit’s condition, test status, warranty, and actual shipping weight.