Description
Product Overview
The ABB 70AA02B-E is a DIN rail-mountable power supply module designed for integration into ABB’s 800xA distributed control systems (DCS) and low-voltage automation architectures. Positioned as a compact power management solution, it delivers stable DC/AC outputs to critical field devices (e.g., sensors, actuators) and control logic components.
Core Functionality:
-
Voltage Regulation: Converts 230V AC mains power to a stable 24V DC output with ±1% voltage stability, ensuring compatibility with sensitive automation equipment.
-
Load Management: Supports dynamic load changes (e.g., simultaneous activation of 16 digital outputs) without voltage droop, critical for high-speed control applications like robotic pick-and-place systems.
-
Safety Features: Built-in OLP and SCP circuits prevent damage from overcurrent or short circuits, reducing downtime in hazardous environments (e.g., chemical processing).
Platform Integration:
Belongs to ABB’s Low Voltage Series, optimized for seamless integration with 800xA DCS and AC500 PLCs. Compatible with ABB’s System 800xA engineering tools for configuration and diagnostics.
Technical Specifications
|
Specification
|
Value/Description
|
|---|---|
|
Model Number
|
70AA02B-E
|
|
Manufacturer
|
ABB Ltd.
|
|
Product Type
|
Low Voltage Power Supply Module
|
|
Input Voltage
|
230V AC ±10% (47–63Hz)
|
|
Output Voltage
|
24V DC ±5%
|
|
Nominal Current
|
10A continuous / 15A peak (10s)
|
|
Protection Features
|
OLP, SCP, Thermal Fuse
|
|
Operating Temperature
|
-20°C to +60°C
|
|
Storage Temperature
|
-40°C to +85°C
|
|
Ingress Protection
|
IP20 (enclosure)
|
|
Dimensions
|
120mm (H) x 100mm (W) x 40mm (D)
|
|
Weight
|
~0.8kg
|
|
Efficiency
|
88% (typical at full load)
|
|
Certifications
|
CE, UL 508, RoHS
|
ABB DSCS131 57310001-LM
Core Features & Customer Value
-
Reliable Power Delivery:
-
The module’s adaptive voltage regulation compensates for input fluctuations (e.g., motor startup surges in manufacturing plants), ensuring sensitive devices like PLC analog inputs receive stable power. This prevents erratic behavior in high-speed control applications, such as robotic pick-and-place systems, where voltage droop could cause mispositioning.
-
Overload Protection (OLP) triggers at 120% of rated current, safeguarding against damage during unexpected load spikes (e.g., simultaneous valve actuation in process control).
-
-
Space-Efficient Design:
-
Compact DIN rail footprint (120mm height) enables dense panel layouts in control cabinets, ideal for retrofits or space-constrained applications like marine automation or space-constrained facilities.
-
-
Diagnostic Capabilities:
-
Integrated LED indicators (power, output status, fault) provide immediate visual diagnostics, reducing mean time to repair (MTTR) for maintenance teams.
-
Compatible with ABB’s System 800xA Alarm & Event Management for remote monitoring of power health, allowing proactive intervention before failures occur.
-
-
Environmental Resilience:
-
Operates in -20°C to +60°C environments, supporting deployment in unconditioned environments, such as outdoor wind turbine control systems or refrigeration units, without additional climate control.
ABB DSCS131 57310001-LM
-
Typical Applications
-
Automotive Manufacturing: Powers robotic welding arms and vision systems in body shops, maintaining 24V DC stability during high-cycle operations where rapid actuator switching could otherwise induce voltage dips. The overload protection ensures continuity if a robot arm encounters an unexpected obstruction.
-
Pharmaceutical Processing: Ensures uninterrupted power for CIP/SIP (Clean-in-Place/Sterilize-in-Place) skid controls, where consistent voltage is critical for accurate valve sequencing to meet GMP standards. The IP20 rating allows installation in non-hazardous cleanroom panels.
-
Oil & Gas Pipeline Monitoring: Supports remote valve actuators and RTU (Remote Terminal Unit) sensors, with IP20 rating allowing use in non-hazardous areas. The compact form factor fits into small junction boxes at unmanned stations.
