Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | Motorola FAB 0340-1049 |
| Manufacturer | Motorola (now part of Emerson’s industrial automation portfolio) |
| Product Category | Industrial-Grade VMEbus-Compatible Power Supply Module (for chassis power distribution) |
| Input Voltage Range | 85–264 VAC (wide-range AC input); 120–370 VDC (optional DC input support) |
| Output Voltage Channels | +5 VDC (main channel); +12 VDC; -12 VDC; +3.3 VDC (auxiliary channels for VME peripherals) |
| Output Current Ratings | +5 VDC: 20 A (continuous); +12 VDC: 5 A (continuous); -12 VDC: 2 A (continuous); +3.3 VDC: 8 A (continuous) |
| Efficiency | Up to 85% (at full load, 230 VAC input) – reduces heat generation in chassis |
| Regulation Accuracy | ±1% for +5 VDC/+3.3 VDC; ±2% for ±12 VDC (ensures stable power for sensitive electronics) |
| Physical Dimensions | Standard 3U VME chassis-mount form factor (100 mm × 160 mm × 40 mm; L×W×H) – fits VME chassis power slots |
| Cooling Method | Forced-air cooling (2x 40mm brushless fans); fan speed auto-adjusts based on temperature |
| Protection Features | Overvoltage protection (OVP): +5 VDC (6.0 V max), ±12 VDC (±15 V max); Overcurrent protection (OCP) per channel; Short-circuit protection (SCP) on all outputs; Over-temperature protection (OTP) (shutdown at 85°C) |
| Operating Temperature Range | 0°C – 55°C (32°F – 131°F) (industrial-grade; suitable for enclosed chassis environments) |
| Product Status | Obsolete (discontinued by manufacturer; supported via aftermarket/refurbished services) |
| Compliance Standards | UL 60950-1 (safety); EN 61000-6-2 (industrial EMC immunity); FCC Class B (EMI emissions); RoHS |
| Monitoring Functionality | Built-in voltage sense pins for remote monitoring; LED indicators for each output channel (power good/fault) |
| MTBF (Mean Time Between Failures) | 100,000 hours (at 25°C, full load) – high reliability for mission-critical systems |
MOTOROLA MVME162PA-344
Product Introduction
The Motorola FAB 0340-1049 is a dedicated industrial power supply module, engineered to deliver stable, multi-channel power to VMEbus-based automation systems—including critical components like the Motorola MVME162-533A analog I/O module and Motorola MVME172-263/260 SBC. As a 3U VME chassis-mount unit, it addresses the power needs of complex VME systems by integrating four key output channels (+5 VDC, +12 VDC, -12 VDC, +3.3 VDC), eliminating the need for multiple standalone power supplies and simplifying chassis wiring.
A defining feature of the Motorola FAB 0340-1049 is its wide input voltage range (85–264 VAC), which enables seamless operation in global industrial environments—from 110 VAC (North America) to 230 VAC (Europe/Asia). Its high-efficiency design (up to 85%) minimizes heat buildup, a critical advantage for enclosed VME chassis where airflow is limited. The module’s robust protection features—including overvoltage, overcurrent, and over-temperature safeguards—ensure that connected devices like the Motorola MVME162-533A are shielded from power anomalies, preventing costly hardware damage and unplanned downtime.
Whether deployed in manufacturing control cabinets, test benches, or remote industrial sites, the Motorola FAB 0340-1049 serves as the “power backbone” of VME systems. Its remote voltage monitoring capability allows technicians to track output stability without opening the chassis, while auto-adjusting cooling fans balance noise levels and thermal performance. These features make it an indispensable component for legacy VME setups that demand long-term reliability and consistent power delivery.
Core Advantages and Technical Highlights
Multi-Channel Power Delivery for VME System Compatibility
The Motorola FAB 0340-1049 is purpose-built to match the power requirements of VMEbus peripherals. Its +5 VDC main channel (20 A) supplies primary power to high-current devices like the Motorola MVME162-533A (which draws up to 2.0 A at +5 VDC), while the +3.3 VDC channel (8 A) supports newer VME components with low-voltage needs. The ±12 VDC channels (5 A/+2 A) power analog circuits in modules like the Motorola MVME162PA-344, ensuring their ADC/DAC components operate with minimal noise. This integrated multi-channel design eliminates the inefficiency of mixing generic power supplies, reducing chassis clutter and simplifying system validation.
Wide Input Range and Global Industrial Compliance
With an input range of 85–264 VAC, the Motorola FAB 0340-1049 adapts to inconsistent or region-specific power grids—critical for global manufacturing facilities or remote sites (e.g., mining operations) where voltage fluctuations are common. For example, in a Southeast Asian factory with unstable 220 VAC input, the module maintains steady output voltages even if the input drops to 85 VAC or spikes to 264 VAC. Its compliance with UL 60950-1 and EN 61000-6-2 ensures it meets safety and electromagnetic compatibility (EMC) standards worldwide, avoiding compliance barriers when deploying systems across borders.
Comprehensive Protection for Critical Equipment
The Motorola FAB 0340-1049’s layered protection system safeguards both the power supply and connected VME devices. Overvoltage protection (OVP) triggers if the +5 VDC output exceeds 6.0 V, preventing damage to the Motorola MVME162-533A’s sensitive ADC chips. Overcurrent protection (OCP) limits current per channel—for instance, if a short circuit occurs in a Motorola MVME172-263/260’s memory module, the +5 VDC OCP (20 A max) shuts down the channel before the fault spreads. Over-temperature protection (OTP) activates at 85°C, preventing thermal damage to the power supply’s internal components during extended high-load operation. These features drastically reduce the risk of costly system failures caused by power-related issues.
High Reliability and Remote Monitoring
With an MTBF of 100,000 hours (at 25°C), the Motorola FAB 0340-1049 delivers long-term dependability for mission-critical applications (e.g., power plant control systems). Its brushless cooling fans (with auto-speed adjustment) extend fan lifespan by reducing wear during low-load operation, while also minimizing noise in laboratory or office-adjacent test environments. The module’s voltage sense pins enable remote monitoring via the VMEbus—technicians can track real-time output voltages using the host SBC (e.g., Motorola MVME172-263/260) and set up alerts for deviations (e.g., +5 VDC dropping below 4.95 VDC). This proactive monitoring allows for preventive maintenance, avoiding unexpected power supply failures.
Typical Application Scenarios
The Motorola FAB 0340-1049 is the primary power source for VMEbus automation systems, where it ensures consistent power to components like the Motorola MVME162-533A and Motorola MVME172-263/260. In automotive manufacturing assembly lines, it powers a VME chassis containing 4x Motorola MVME162-533A modules (controlling robotic welders) and 2x Motorola MVME172-263/260 SBCs (managing production data). The module’s +5 VDC channel (20 A) easily handles the combined 8 A load of the MVME162-533A units, while the ±12 VDC channels power the robots’ analog sensors. Its wide input range (85–264 VAC) adapts to the factory’s fluctuating 230 VAC supply, ensuring weld quality remains consistent even during peak production hours.
In oil and gas pipeline monitoring stations, the Motorola FAB 0340-1049 operates in a remote VME chassis alongside Motorola MVME162PA-344 input modules (monitoring pipeline pressure/temperature) and communication modules (transmitting data to a central SCADA system). The module’s -12 VDC channel (2 A) powers the MVME162PA-344’s isolation circuits, while its over-temperature protection prevents failure in the station’s unconditioned enclosure (where temperatures can reach 55°C). Remote voltage monitoring via the VMEbus allows central technicians to verify power stability without visiting the remote site, reducing maintenance costs and travel time.
For aerospace test benches, the Motorola FAB 0340-1049 supplies power to a mixed VME system: Motorola MVME162-533A modules (generating test stimuli for avionics components) and high-speed data acquisition cards. Its +3.3 VDC channel (8 A) supports the test cards’ low-voltage logic circuits, while its FCC Class B EMI compliance ensures power supply noise doesn’t interfere with sensitive avionics tests. The module’s high efficiency (85%) reduces heat in the enclosed test chamber, maintaining a stable environment for precision measurements—critical for validating aircraft navigation systems.
MOTOROLA MVME162PA-344
Related Model Recommendations
Motorola FAB 0340-1050: Same power supply series; higher current ratings (+5 VDC: 25 A, +12 VDC: 6 A). Upgrades Motorola FAB 0340-1049 for larger VME systems (e.g., 6+ MVME162-533A modules) needing more power.
Motorola MVME162-533A: Analog I/O module. Primary load for Motorola FAB 0340-1049, drawing power from its +5 VDC and ±12 VDC channels for signal acquisition/control.
Emerson FAB 0450-2001: Modern industrial power supply. Replacement for Motorola FAB 0340-1049 with higher efficiency (90%) and digital control, compatible with legacy VME systems.
Motorola MVME172-263/260: VME SBC. Works with Motorola FAB 0340-1049 to monitor power supply voltages via VMEbus, enabling remote fault detection.
Motorola FAB 0340-1035: Single-output power supply (+5 VDC, 15 A). Cost-effective alternative to Motorola FAB 0340-1049 for simple VME systems with only +5 VDC devices.
Emerson RSTi-EP Power Module: Ethernet-based power supply. For users migrating from VME to Ethernet; pairs with RSTi-EP I/O modules to replace Motorola FAB 0340-1049 in modernized systems.
Motorola MVME712M: VME communication module. Powered by Motorola FAB 0340-1049’s +12 VDC channel; transmits power supply status data to remote SCADA systems.
Installation, Commissioning and Maintenance Instructions
Installation Preparation
Before installing Motorola FAB 0340-1049, power off the VME chassis and disconnect it from the main supply to prevent electrical shock. Verify the chassis has a dedicated 3U power slot (compatible with the module’s 100 mm × 160 mm × 40 mm dimensions). Check the input power source: ensure it falls within 85–264 VAC (or 120–370 VDC for DC input) and that the circuit breaker is rated for at least 10 A (to handle the module’s max input current). Use an anti-static wristband when handling the module to protect internal components from ESD. Gather tools: Phillips-head screwdriver (for chassis mounting) and wire strippers (for input/output wiring). Avoid installing the module near heat sources (e.g., MVME SBCs running at high load) to prevent thermal interference.
Commissioning and Maintenance
For commissioning, connect the input power (AC/DC) to the module’s terminal block, ensuring correct polarity (L/N for AC, +/– for DC). Wire the output channels to the VME chassis backplane: +5 VDC to the main power rail, ±12 VDC and +3.3 VDC to auxiliary rails. Power on the chassis and check the module’s LEDs: green LEDs indicate “power good” for each output channel; red LEDs signal faults (e.g., overcurrent). Use a multimeter to verify output voltages (e.g., +5 VDC should be 4.95–5.05 VDC) at the chassis backplane. Test system functionality by powering on connected devices like the Motorola MVME162-533A—confirm they initialize without errors.
For maintenance: Inspect the module’s cooling fans monthly—clean dust from fan grilles with compressed air to prevent airflow blockages. Replace fans every 3–5 years (or if abnormal noise is detected) to maintain cooling performance. Check input/output wiring quarterly for loose connections or corrosion, especially in humid environments (e.g., water treatment plants). Calibrate the module’s voltage regulation annually using a precision power analyzer: adjust the internal trim pots (accessible via the module’s front panel) to ensure output accuracy stays within ±1% for +5 VDC/+3.3 VDC. If a fault LED illuminates, use the VMEbus monitoring (via Motorola MVME172-263/260) to identify the issue (e.g., overcurrent on +12 VDC) before replacing components.
Service and Guarantee Commitment
Though Motorola FAB 0340-1049 is obsolete, we offer a 90-day warranty on all refurbished units—covering defects in voltage regulation, protection features, and cooling systems. Each refurbished module undergoes rigorous testing: 24-hour load cycling (from 20% to 100% load) to validate stability, output accuracy checks (using NIST-traceable multimeters), and fan performance testing (verifying speed adjustment and airflow). This ensures the module meets the original industrial-grade power delivery standards.
Our technical support team (24/7 availability) provides guidance on Motorola FAB 0340-1049 installation, wiring, and troubleshooting—including optimizing power distribution for VME systems with devices like the Motorola MVME162-533A or Motorola MVME172-263/260. We offer customized maintenance plans: semi-annual on-site inspections (cleaning fans, checking wiring) and remote voltage monitoring setup to proactively detect issues. Our spare parts inventory includes critical components (e.g., cooling fans, voltage regulators) for fast repairs, minimizing system downtime.
For users modernizing from VME to Ethernet systems, we provide free consultation to select compatible Emerson power modules (e.g., FAB 0450-2001), ensuring seamless replacement of Motorola FAB 0340-1049 while retaining existing wiring or chassis infrastructure. We also offer trade-in credits for old units, reducing the cost of upgrading to more efficient, digital-controlled power supplies. Our commitment to legacy support ensures your VME system’s power backbone remains reliable, whether you maintain existing infrastructure or transition to new platforms.
