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CVM1-PA208 is a standard dual-output power supply module for OMRON SYSMAC CVM1 series PLCs. It provides DC5V 8A for PLC core power supply and DC24V 2A for I/O module power supply, suitable for medium and large-scale PLC control systems. Below is the complete technical data in standard structure.
- Model Code Definition
| Model Segment | Meaning | Detailed Description |
| CVM1 | Series Code | SYSMAC CVM1 PLC series, designed for large-scale machine control |
| P | Product Type | Power Supply Module, supplies stable DC power to PLC system |
| A | Specification Type | Standard AC input power module (differentiated from PD series DC input) |
| 208 | Output Specification | Main output: DC5V 8A; Auxiliary output: DC24V 2A |
| Order No. | Standard Part Number | CVM1-PA208 (Alternative No.: CVM1PA208) |
- Core Specification Parameters (Authorized Certified Version)
| Parameter Category | Detailed Specification | Remarks & Certification |
| Basic Information | ||
| Manufacturer | OMRON Industrial Automation | Brand confirmation: Not SMC product, dedicated PLC power module |
| Product Type | Switching Power Supply Module (DIN Rail Mount) | Compliant with EN 60715 standard 35mm DIN rail installation |
| Rated Power | Approx. 200W | High-efficiency switching power design, efficiency＞90% |
| Electrical Specifications | ||
| Input Voltage | AC100-240V, 50/60Hz (Wide voltage input) | Global universal, auto-adaptive to voltage & frequency fluctuation |
| Input Current | 3.5A @100V / 1.8A @240V | Max input current under full load |
| Output Channel 1 | DC5V, 8A (Tolerance ±5%) | Main power for PLC CPU and core modules |
| Output Channel 2 | DC24V, 2A (Tolerance ±10%) | Auxiliary power for I/O modules and external sensors |
| Ripple & Noise | ≤100mVp-p (5V), ≤200mVp-p (24V) | Full load condition, meets industrial power standards |
| Overcurrent Protection | Built-in electronic protection (auto-recovery) | 8.8A protection for 5V channel, 2.2A protection for 24V channel |
| Physical Dimensions | ||
| Size (W×H×D) | 47mm × 95mm × 250mm | Compact structure, saves cabinet space |
| Weight | Approx. 1.2kg | Equipped with DIN rail clip, easy installation |
| Protection Grade | IP30 | Dustproof design, suitable for installation inside industrial control cabinets |
| Environmental Specifications | ||
| Operating Temperature | 0℃ ~ 55℃ | Non-condensing, conforms to industrial environmental standards |
| Storage Temperature | -20℃ ~ 70℃ | Adaptable to harsh transportation and storage conditions |
| Relative Humidity | 10%~90%RH | Non-condensing, prevents internal components from moisture damage |
| Vibration Resistance | 10-55Hz, 0.5mm double amplitude | Compliant with IEC 60068-2-6 |
| Shock Resistance | 150m/s² (15G), 11ms | Compliant with IEC 60068-2-27 |
| Certifications | ||
| CE | Compliant with EMC Directive 89/336/EEC & Low Voltage Directive 73/23/EEC | Cert. No.: CE 0120 |
| UL | Compliant with UL 508 Standard | Cert. No.: E174158 |
| CSA | Compliant with CSA C22.2 No.14 Standard | Cert. No.: LR66168 |
| RoHS | Compliant with EU RoHS 2011/65/EU | Lead-free eco-friendly design |
| Air Freight Compliance | ||
| Built-in Battery | No lithium battery / super capacitor installed | Compliant with IATA dangerous goods regulations, non-restricted goods |
| Shipping Class | General Cargo | No special shipping documents required, safe for air/sea/land transportation |
- Cross-brand Compatibility Comparison Table (PLC Power Modules)
| OMRON Model | Replacement Brand | Alternative Model | Compatibility Description | Selection Suggestion |
| CVM1-PA208 | Siemens | PS 307 5A | Input: AC120/230V compatible; Output: 5V/5A (lower than original 8A), 24V/2A identical | Reduce 5V load or upgrade to PS 307 10A |
| Schneider | BMXPSD1200 | Input: AC85-264V compatible; Output:5V/4A insufficient, 24V/2A identical | Only applicable to small-scale PLC systems | |
| Mitsubishi | Q61P | Input: AC100-240V compatible; Output:5V/8A identical, 24V/1.5A insufficient | Limit 24V load within 1.5A | |
| Rockwell | 1756-PA72 | Input: AC85-264V compatible; Output:5V/4A insufficient, 24V/4A surplus | Add extra 5V power module | |
| OMRON Alternative | CJ2M-PA208 | Fully identical input & output parameters | Optimal replacement, preferred for CVM1 series upgrade |
Selection Rule: Prioritize same-series models; check output parameters for cross-brand replacement; take 5V as main power and 24V as auxiliary power; match load capacity for stable operation; choose CJ2M series first for system upgrade.
- Full Series Model List (CVM1/CVM1D Power Modules)
| Model | Output Specification | Features | Application Scope | Order Number |
| CVM1-PA208 | DC5V 8A, DC24V 2A | Standard AC input | Standard PLC system, I/O points ≤64 | 39035963 |
| CVM1-PA209 | DC5V 9A, DC24V 2A | High 5V output AC input | Large PLC system, I/O points ≤80 | 39035964 |
| CVM1-PA212 | DC5V 12A, DC24V 2A | Ultra-high 5V output AC input | Super-large PLC system, I/O points ≤128 | 39035965 |
| CVM1-PD024 | DC24V 4A | Single 24V DC input | Distributed I/O system only needing 24V power | 39035966 |
| CVM1-PD040 | DC24V 10A | High-current 24V DC input | System with massive I/O modules & servo drives | 39035967 |
| CVM1D-PA208 | DC5V 8A, DC24V 2A | Dual redundant system dedicated AC input | CVM1D redundant control system for high reliability demand | 39035968 |
- Common Troubleshooting & Maintenance Guide
| Fault Phenomenon | Possible Causes | Solutions | Maintenance Period | Spare Parts List |
| Abnormal 5V output voltage (<4.75V or >5.25V) | 1. Input voltage out of range | 1. Check input power 100-240V | 1-2 hours | Electrolytic capacitor, power module |
| 2. Overloaded 5V output | 2. Reduce load or replace with PA209/PA212 | |||
| 3. Damaged internal switching components | 3. Replace power module | |||
| 4. Aging filter capacitors | 4. Replace 1000μF/16V electrolytic capacitor | |||
| No 24V output | 1. Blown 24V output fuse F2 | 1. Replace 2A/250V fast fuse | 0.5-1 hour | 2A fuse, terminal block |
| 2. Loose output terminals | 2. Fasten terminals and inspect wiring | |||
| 3. Faulty internal rectifier circuit | 3. Repair or replace module | |||
| Power indicator off | 1. No input power connected | 1. Check power wiring connection | 0.5 hour | 5A fuse, power switch |
| 2. Damaged power switch | 2. Replace power switch | |||
| 3. Blown input fuse F1 | 3. Replace 5A/250V fuse | |||
| 4. Faulty internal power IC | 4. Replace power module | |||
| Module overheating alarm (Temp＞60℃) | 1. Ambient temperature too high | 1. Lower ambient temp ≤55℃ | 1 hour | 12V cooling fan, heat sink |
| 2. Poor ventilation | 2. Improve ventilation & heat dissipation | |||
| 3. Broken internal cooling fan | 3. Replace 12V DC cooling fan | |||
| 4. Excessive output load | 4. Reduce load or use higher power module | |||
| Excessive output ripple (>200mVp-p) | 1. Aging filter capacitors | 1. Replace filter capacitors for 5V/24V channel | 1-2 hours | Electrolytic capacitor, buffer resistor |
| 2. Unstable output load | 2. Add buffer circuit to stabilize load | |||
| 3. Internal circuit failure | 3. Repair or replace module |
Maintenance Tips: Check input voltage & fuses first, then inspect output load and terminals; keep operating temperature below 55℃; refer to manual for fault codes; replace module preferentially for quick repair.
- Application Environment & Industry Cases
6.1 Recommended Application Scenarios
Industrial Automation: Main power supply for PLC control systems in automobile manufacturing & electronic production lines
Food & Beverage Industry: Power supply for control circuits and sensors of packaging & filling equipment
Logistics & Warehousing: PLC system power supply for stackers in automated stereoscopic warehouses
Water Treatment: Power supply for control equipment and instruments in sewage treatment plants
Metallurgy Industry: Power supply for automatic production line control and monitoring systems in steel plants
Pharmaceutical Industry: PLC control power and clean room environment monitoring power for pharmaceutical production equipment
6.2 Unrecommended Application Scenarios
Outdoor non-protected environment: IP30 rating vulnerable to dust and moisture causing malfunctions
High-temperature environment: Temperature over 55℃ leads to unstable output and shortened service life
Severe vibration environment: Vibration over 15G damages internal capacitors and transformers
Explosive & flammable areas: Non-explosion-proof design, extra explosion-proof cabinet required
Strong electromagnetic interference sites: EMI filter must be equipped to avoid excessive output ripple
6.3 Typical Application Cases
Case 1: Auto Parts Production Line
Application: Power supply for CVM1-CPU21-V2 PLC and 16 sets of I/O modules including AD/DA modules
Configuration: CVM1-PA208 + CVM1-CPU21-V2 + 2×CVM1-AD041 + 2×CVM1-DA041
Operation Effect: Stable operation for 5 years with failure rate below 0.1%, supports 24-hour continuous production and strong grid fluctuation resistance
Case 2: Automated Stereoscopic Warehouse
Application: Power supply for stacker control PLC, controlling 20 servo axes and 50 sensors
Configuration: CVM1-PA208 + CVM1-CPU11 + 2×CVM1-MD261 motion control modules
Operation Effect: Stable output and strong anti-interference performance, adapts to dusty warehouse environment, supports frequent start-stop operation
- Key Information Summary (Purchase & Maintenance Essential)
- Brand Confirmation: CVM1-PA208 is exclusively OMRON product, not SMC pneumatic component, please distinguish brands clearly.
- Core Function: Dual-output power module supplying DC5V 8A and DC24V 2A for CVM1 series PLC systems.
- Compliance & Certification: Fully certified with CE, UL, CSA and RoHS; no built-in batteries, fully compliant with air freight rules for global shipment.
- Product Status: Discontinued official production; CJ2M-PA208 is fully compatible preferred replacement; after-sales maintenance service available until 2028.
- Selection Advice: Select model according to PLC I/O quantity; adopt CVM1-PA209/PA212 when I/O points exceed 64.
- Maintenance Points: Regularly inspect input voltage 100-240V, output load limit (≤8A@5V, ≤2A@24V) and ambient operating temperature.
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