GE Emerson IC695PSD140E 40W DC Input Multi-Purpose Power Supply Module for PACSystems RX3i PLC Universal Backplane
Manufacturer Background: Originally GE Intelligent Platforms, now Emerson Automation PACSystems RX3i series power supply; IC695PSD140E suffix E = standard industrial uncoated production version, 24VDC input 40W multi-output rack power supply, supplies backplane logic + relay auxiliary power, supports parallel load sharing & redundant hot backup, widely used in power, chemical, water treatment, marine SCADA control systems, compliant with UL, CE, ATEX, DNV marine certification, IEC 61131 industrial control standards.
Part Number Breakdown: IC695PSD140E
- IC695: RX3i universal backplane module series code
- PSD: DC input power supply series (24VDC input, contrast PSA AC input)
- 140: 40W multi-purpose power supply hardware model
- E: Standard factory production version (CA=conformal coated, LT=low temp extended)
- Full model: IC695PSD140E
Product Type: Single-slot hot-swappable rack plug-in power module; 24VDC wide-range DC input, triple output (3.3V / 5.1V backplane logic + 24VDC relay auxiliary), total rated 40W output, built-in overload, over-temperature, overvoltage protection, multi-LED status indication, multi-unit parallel redundancy load sharing supported.
Matching System Components: RX3i universal backplane (IC695 series rack); RX3i CPU IC695CPE/CPX series; all RX3i I/O, communication modules; 24VDC industrial UPS / DC operation power; Proficy Machine Edition configuration software.
Core Hardware Overview:
1. Input Electrical Spec
- Nominal Input: 24VDC; operating range 18~30VDC wide voltage
- Max input power: 60W full load; inrush current 4A peak / ≤100ms
- Wiring terminal: 14~22AWG single wire per terminal
2. Three Independent Output Channels (Total 40W combined max)
- 3.3VDC: 0~9A max 30W, internal backplane logic bus power
- 5.1VDC: 0~6A max 30W, CPU / communication chip core power
- 24VDC Aux Relay Output: For relay I/O module field circuit power
- Ripple/noise: ≤50mV peak-peak all outputs; no input-backplane galvanic isolation
3. Protection & Status Indicators (4 front LEDs)
- POWER: Main power normal green
- P/S FAULT: Internal module fault amber
- OVERLOAD: Output overcurrent alarm red
- OVERTEMP: Overheat shutdown red
- Protection: Overvoltage, overcurrent, thermal shutdown, short-circuit auto recovery
4. Redundancy Function: Up to 4 identical PSD140E modules parallel load sharing redundant backup; cannot mix with PSA040/PSD040 low-power supplies (risk of damage)
5. Mechanical Spec
- Occupies 1 standard RX3i rack slot; compact vertical plug-in housing
- Net weight ~0.32kg; metal shielding housing anti-EMI
- Hot-swappable without full rack power cut, protection logic continuous during replacement
6. Environmental Ratings
- Operating temp: 0~+60°C cabinet inlet air temperature
- Storage/transport: -40~+85°C; humidity 5%~95% non-condensing
- Vibration/shock certified per IEC 60068 industrial grade
7. Ride-through capability: ≥10ms output hold-up when DC input power drops out
1. Product Overview
IC695PSD140E is the standard 40W DC input multi-purpose power supply for Emerson GE RX3i PACSystems PLC rack, the core power source for entire rack CPU, communication and I/O modules. It adopts 18~30VDC wide DC input, suitable for industrial DC UPS, battery DC operation power supply scenarios.
Three groups of output simultaneously supply backplane low-voltage logic (3.3V/5.1V) and external relay auxiliary 24VDC, eliminating separate external power supply for relay modules. Supports multi-module parallel redundant load sharing, widely used in high-reliability control systems requiring uninterrupted power such as power plant feeders, petrochemical compressors, marine automation, water treatment.
Built-in complete multi-stage fault protection circuit, four front LED real-time display power, overload, overheat and internal fault status, convenient on-site troubleshooting. Single-slot compact design saves cabinet space, hot-swappable structure allows maintenance without shutting down the whole PLC rack, improving system uptime. Metal shielding effectively suppresses electromagnetic interference from high-voltage inverters and switchgear rooms, stable long-term continuous operation in harsh industrial environments.
