Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa AEP7D-25 Power Supply Bus Unit is an advanced power distribution component designed for use in Yokogawa’s distributed control systems (DCS). It provides stable, high-capacity DC power to multiple control and I/O modules, ensuring uninterrupted system operation in demanding industrial applications.
This model represents one of the most robust units in the AEP7D series, engineered to support large-scale process automation systems that require redundancy, high output current, and stable performance. With built-in protective mechanisms such as overcurrent and short-circuit protection, the AEP7D-25 guarantees the reliability and safety of critical operations in industries like oil & gas, petrochemical, power generation, and large-scale manufacturing.
Product Specifications
| Parameter | Description |
|---|---|
| Model | Yokogawa AEP7D-25 |
| Function | High-capacity Power Supply Bus Unit for DCS |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Output Voltage | 5 V DC / 24 V DC |
| Maximum Output Current | Up to 20 A per bus line |
| Power Distribution | Supplies multiple I/O, CPU, and subsystem modules |
| Ripple & Noise | < 40 mV peak-to-peak typical |
| Overcurrent Protection | Yes, per channel |
| Short-Circuit Protection | Yes, automatic cutoff and recovery |
| Redundancy Support | Yes, supports dual/redundant power configurations |
| Operating Temperature | 0–55 °C |
| Storage Temperature | -20–70 °C |
| Humidity | 5–95% RH, non-condensing |
| Mounting | Rack-mount within DCS cabinet |
| Compliance | IEC/EN EMC and safety standards |
| Dimensions | 482.6 × 43.6 × 187 mm |
| Weight | 1.8 kg |
Product Applications
The AEP7D-25 is designed for industries and systems where reliable power delivery is essential. Key applications include:
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Process Automation Systems – Powers both analog and digital I/O modules for large DCS installations.
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Power Generation – Ensures stable power for turbine and generator control systems.
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Oil & Gas Industry – Provides uninterrupted power for offshore and onshore control environments.
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Chemical & Petrochemical Plants – Delivers stable, low-noise power for sensitive instrumentation.
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Pharmaceutical Manufacturing – Supports clean, regulated power for precise control processes.
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Heavy Industrial Automation – Maintains reliable operation for high-density rack configurations.
Product Advantages
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High Current Output – Supports up to 20 A, making it suitable for demanding process environments.
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Dual Voltage Capability – Provides both 5 V DC and 24 V DC to support a variety of modules.
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Low Ripple Design – Ensures reliable performance for sensitive analog and digital circuits.
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Integrated Protection – Includes per-channel overcurrent and short-circuit safeguards.
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Redundancy Ready – Can be paired with another unit for high-availability systems.
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Rugged Industrial Build – Optimized for harsh process plant conditions.
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Seamless DCS Integration – Fully compatible with Yokogawa system racks and modules.
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International Compliance – Conforms to global EMC and electrical safety regulations.
FAQ
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What is the maximum output current of the AEP7D-25?
It supports up to 20 A per bus line. -
Does the unit support redundant configurations?
Yes, it can operate in dual redundant power supply setups. -
What are the available output voltages?
It provides 5 V DC and 24 V DC outputs. -
How is voltage ripple controlled in this unit?
Ripple is maintained below 40 mV peak-to-peak for stable power delivery. -
Does it include short-circuit protection?
Yes, automatic short-circuit cutoff and recovery are included. -
Can the AEP7D-25 power both analog and digital I/O modules simultaneously?
Yes, it can supply power to multiple module types through the backplane. -
What is the supported input voltage range?
100–240 V AC, 50/60 Hz. -
Is overcurrent protection channel-specific?
Yes, each channel has independent overcurrent protection. -
Can multiple AEP7D-25 units be installed in parallel?
Yes, parallel operation is supported for high-availability applications. -
What international standards does the AEP7D-25 comply with?
It complies with IEC/EN EMC and electrical safety standards.
Recommended Related Models (Same Series)
| Model | Description |
|---|---|
| AEP7D-05 | Compact bus unit for small racks |
| AEP7D-10 | Standard mid-range bus unit |
| AEP7D-12 | Higher capacity bus unit with stable DC output |
| AEP7D-15 | Medium-to-high capacity bus unit |
| AEP7D-20 | Extended multi-voltage power distribution |
| AEP7D-21 | High-current bus unit with redundancy support |
Recommended Popular Yokogawa Models
| Model | Description |
|---|---|
| AAM50 | Analog Input Module |
| AAM51 | Analog Output Module |
| ADV151 | Digital I/O Module |
| ALR121 | Relay Output Module |
| ATD5A | Thermocouple Input Module |
| CP451-10 | Central Processor Module |
