3. Product Specification Manual

3.1 Basic Parameters

• Part Number: P0916AE

• Product Type: Compact Low-Power Rack Power Supply Unit

• Manufacturer: Foxboro (AVEVA / Schneider Electric)

• Applicable System: I/A Series DCS Distributed Control System

• Core Function: AC-DC conversion, low-load 24VDC power supply, dual hot standby redundant backup for small I/O racks

• Input Voltage: 100–240V AC wide universal mains voltage

• Rated DC Output: Stabilized 24VDC

• Max Output Power: 150W

• Protection Class: IP20

• Housing Material: Miniature die-cast aluminum alloy heat sink

• Net Weight: 0.42kg

• Installation Method: Vertical card slot mounting inside standard 19-inch industrial control cabinet

• Compatible Hardware: Full P0914 series backplanes, controllers, FCM communication modules, low-quantity FBM I/O modules, P0915DX / P0915FB / P0915FC terminal bases

3.2 Electrical Performance

• Output Voltage Regulation Accuracy: ±0.6% full-load voltage stability

• Output Ripple & Noise: ≤150mV peak-to-peak

• Redundancy Operation Mode: Dual-module parallel hot standby with automatic current sharing

• Fault Switch Performance: Instant voltage-stable switching without DC drop during single module failure

• Input Anti-interference Design: Multi-level LC EMI filter to suppress grid noise and transient surges

• Cooling Scheme: Fanless natural passive convection heat dissipation, zero fan wear failure risk

3.3 Maintenance & Diagnostic Functions

• Hot Swap Support: Online plug-and-play replacement without cutting off the rack’s AC power supply

• Real-time On-board Self-Diagnosis: Detect AC input loss, DC light overload, output short circuit, internal over-temperature and circuit damage

• LED Indicator Definition: Steady green light = normal power output; flashing red light = hardware fault or abnormal power status

• Redundancy Configuration: Direct parallel installation without extra software parameter setup

• Load Adaptation: Stable operation under light mixed loads of communication, analog and digital I/O cards

3.4 Environmental Technical Index

• Operating Temperature Range: 0℃ ~ +60℃

• Storage Temperature Range: -40℃ ~ +85℃

• Relative Humidity: 5% ~ 95% non-condensing

• Dust Resistance Standard: ISA S71.04 Class G3 industrial dust resistance

• Vibration Resistance: Compliant with IEC60068 industrial anti-vibration test specifications

• Industrial Certifications: CE, UL international industrial safety certification

3.5 Complete Built-in Safety Protection Mechanisms

1. Overvoltage protection: Automatically shut down DC output when exceeding voltage threshold to protect all rack control hardware

2. Overcurrent & short-circuit protection: Fast current limiting cut-off for short-circuit faults on output loops

3. Over-temperature protection: Automatic power derating followed by full shutdown when critical high temperature occurs

4. Reverse AC input polarity protection to avoid module burnout caused by miswiring

5. Input surge suppression circuit to resist lightning and instantaneous grid voltage spikes

3.6 Step-by-Step Installation Instructions

1. Vertically insert the P0916AE power supply module into the dedicated power card slot of the P0914-series rack backplane inside a standard 19-inch control cabinet;

2. Connect 100–240V AC mains cable to the rear input terminal block and tighten all wiring terminals to prevent poor contact;

3. For redundant power supply architecture: Install two P0916AE modules in adjacent power slots to realize automatic load-sharing backup;

4. Confirm all controllers, communication cards and low-quantity I/O modules are fully locked into the backplane slots;

5. Turn on the AC mains power supply and check the front LED indicator; steady green light indicates stable 24VDC power supply for the entire small rack;

6. Maintenance operation: Directly hot-swap the faulty P0916AE module without powering down the whole rack, and the standby unit will continuously supply power to avoid system interruption.

4. Application Fields

1. Small petrochemical auxiliary workshop local control cabinets

2. Pilot fine chemical, pharmaceutical laboratory small automated production lines

3. Auxiliary control rooms of thermal power, hydropower and new energy power stations

4. Small metallurgical and heat treatment furnace independent control systems

5. Mini cement, building material and mining auxiliary monitoring cabinets

6. Small pulp, textile and food processing single-unit control stations

7. Small municipal water supply pump rooms, sewage treatment on-site monitoring cabinets

8. Small industrial park HVAC, heat exchange and auxiliary heating automatic control cabinets

Information Verification Note

• Confirmed fixed facts: P0916AE is 150W low-power fanless rack power supply for I/A Series DCS, 100–240V wide AC input, hot swappable, dual redundant parallel load sharing, compatible with all P0914 series hardware, G3 dust resistant; lower power than P0916AA (300W) and P0916AC (450W), for small light-load racks only.

• Unverified content: Original factory full electrical test report, customized low-temperature special versions, explosion-proof derivative parameters, which need to be cross-verified with official Foxboro hardware manual.