Excellent PLC
Product Introduction
The Yokogawa AEP7D-15 Power Supply Bus Unit is a high-capacity, reliable power distribution unit designed for Yokogawa’s distributed control systems (DCS). It provides stable, regulated DC power to multiple I/O and processor modules, ensuring continuous operation of critical control functions.
This unit is engineered for industrial environments where reliability, performance, and redundancy are essential. The AEP7D-15 supports high-current loads, includes built-in overcurrent protection, and minimizes voltage ripple, enabling consistent operation of connected modules. It is widely used in power generation, chemical processing, oil and gas, and large-scale manufacturing facilities.
Product Specifications
| Parameter | Description |
|---|---|
| Model | Yokogawa AEP7D-15 |
| Function | Power Supply Bus Unit for DCS |
| Output Voltage | 5 V DC / 24 V DC (system dependent) |
| Output Current | Up to 10 A maximum per bus line |
| Power Distribution | Supplies multiple I/O and processing modules via backplane |
| Input Voltage | 100–240 V AC, 50/60 Hz |
| Ripple & Noise | < 50 mV peak-to-peak typical |
| Overcurrent Protection | Yes, per output channel |
| Operating Temperature | 0–55 °C |
| Storage Temperature | -20–70 °C |
| Humidity | 5–95% RH, non-condensing |
| Mounting | Rack-mount in DCS cabinet |
| Dimensions | 482.6 × 43.6 × 187 mm |
| Weight | 1.8 kg |
| Compliance | IEC/EN standards for EMC and electrical safety |
Product Applications
The AEP7D-15 Power Supply Bus Unit is essential for reliable power management in industrial automation:
-
Distributed Control Systems (DCS) – Provides regulated DC power to analog and digital modules.
-
Process Control Plants – Powers pressure, temperature, flow, and level monitoring modules.
-
Power Generation Facilities – Supports turbine, generator, and auxiliary control systems.
-
Petrochemical and Chemical Plants – Maintains stable operation for critical process instrumentation.
-
Oil & Gas Operations – Provides robust power for field signal acquisition and control modules.
-
Large-Scale Industrial Automation – Supplies reliable power to multiple modules in high-density racks.
Product Advantages
-
High Current Capacity – Supports up to 10 A per bus line for large module racks.
-
Stable Voltage Supply – Maintains minimal ripple (<50 mV) for accurate module operation.
-
Overcurrent Protection – Protects modules from electrical faults.
-
Redundant Power Capability – Can be configured in parallel with other units for high availability.
-
Modular Integration – Fits Yokogawa DCS racks for plug-and-play operation.
-
Flexible Voltage Support – Supplies multiple DC voltages for different module types.
-
Compact Design – Efficient rack-mount form factor saves space.
-
Standard Compliance – Meets IEC/EN EMC and safety standards for industrial environments.
FAQ
-
What output voltages does the AEP7D-15 provide?
It provides regulated 5 V DC and 24 V DC, depending on system configuration. -
What is the maximum output current per bus line?
Up to 10 A per module bus line. -
Is overcurrent protection included?
Yes, each output channel has built-in overcurrent protection. -
Can it power both analog and digital modules simultaneously?
Yes, it distributes power to all connected modules through the DCS backplane. -
What input voltage range is supported?
100–240 V AC, 50/60 Hz. -
How is voltage ripple managed?
The unit maintains ripple below 50 mV peak-to-peak through regulated circuitry. -
Is the unit hot-swappable?
Hot-swap capability depends on the rack design; refer to Yokogawa documentation for safe procedures. -
What is the operating temperature range?
0–55 °C for normal operation. -
Can multiple units be used in parallel for redundancy?
Yes, parallel configurations support high-availability setups. -
Does the unit meet international EMC and safety standards?
Yes, it complies with IEC/EN EMC and electrical safety standards.
Recommended Related Models (Same Series)
| Model | Description |
|---|---|
| AEP7D-10 | Standard power supply bus unit for smaller racks |
| AEP7D-05 | Power supply bus unit for moderate loads |
| AEP7D-12 | High-capacity bus unit for large racks |
| AEP7D-20 | Extended capacity bus unit with multi-voltage outputs |
| AEP7D-25 | Redundant power distribution module |
| AEP7D-07 | Medium-capacity power bus module |
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 |
