ABB 07 DS 85 | Power Supply Module

Stable Power for Industrial Control Systems

The ABB 07 DS 85 provides consistent DC power to Advant OCS and S100 system components. This module converts AC line voltage into regulated 24 VDC output. It supplies connected I/O modules and field devices with clean, stable energy. Industrial operators rely on this unit for uninterrupted system operation.

Detailed Technical Specifications

This section presents the complete technical parameters of the ABB 07 DS 85. We emphasize precise electrical ratings and physical characteristics. The design focuses on efficiency and long-term reliability in industrial environments.

Specification	Detail
Model Number	07 DS 85
Manufacturer	ABB
Product Type	Power Supply Module
Input Voltage	85 VAC to 264 VAC (Universal)
Input Frequency	47 Hz to 63 Hz
Output Voltage	24 VDC
Output Current	5 A (Continuous)
Output Power	120 W
Efficiency	> 88% at Full Load
Ripple & Noise	≤ 100 mV Peak-to-Peak
Hold-Up Time	20 ms at Full Load

Physical Dimensions & Weight

Accurate physical data supports proper cabinet layout and mounting considerations. The ABB 07 DS 85 features a standardized form factor for system compatibility.

Dimensions (H x W x D): 125 mm x 75 mm x 125 mm
Weight: 0.82 kg
Origin: Made in Sweden / Finland (ABB EMEA Manufacturing)

Input Configuration and Power Handling

The module accepts a wide universal input range from 85 VAC to 264 VAC. This flexibility allows installation across different global power grids without modification. A standard terminal block provides secure connections for line and neutral wires. Internally, the unit employs active power factor correction for efficient energy conversion.

Output Characteristics and Load Capacity

This power supply delivers 24 VDC at 5 A, providing a total of 120 W continuous output. It easily handles the combined load of multiple I/O modules in a typical rack configuration. The output features short-circuit protection and overload shutdown. Consequently, downstream equipment remains safe during fault conditions.

Component Layout and Internal Architecture

The ABB 07 DS 85 contains a single PCB assembly with carefully arranged power components. Key elements include the input filter, switching transistors, and output rectification stage. A thermally efficient heatsink dissipates heat from the power semiconductors. This layout ensures stable operation even at maximum rated load.

Energy Storage and Ride-Through Capability

A built-in capacitor bank provides 20 ms of hold-up time at full load. This energy storage allows the system to ride through momentary power interruptions. Critical process data therefore remains intact during brief grid disturbances. Operators appreciate this feature for maintaining production continuity.

Status Indication and Monitoring

Front-panel LEDs provide immediate visual feedback on module status. A green LED indicates normal output voltage presence. A red LED signals fault conditions such as overcurrent or overtemperature. These indicators simplify troubleshooting without requiring external measurement tools.

Installation and System Integration

Mounting the 07 DS 85 requires a compatible Advant OCS or S100 rack. It occupies a dedicated power supply slot within the chassis. Connection to the backplane distributes power automatically to all installed modules. This integrated design eliminates separate wiring for each component.

Thermal Management and Environmental Ratings

The module operates reliably within a 0°C to +60°C ambient temperature range. Natural convection cooling handles thermal dissipation without requiring fans. Therefore, the unit contributes minimal noise and maintenance requirements to the installation. Users benefit from simplified system design and lower operational costs.

Manufacturer Quality Standards

ABB manufactures the 07 DS 85 under strict quality control procedures. Each unit undergoes comprehensive testing for output regulation and protection features. Consequently, users receive a power supply ready for immediate deployment. This commitment to quality aligns with industrial automation reliability expectations.