ABB PS853 Bus Extension and Termination Board Brand New

Overview

The ABB PS853 (4824 506-DZ) is a compact bus extension and termination board designed for stable communication in ABB distributed control systems. It supports reliable signal routing across DSP and I/O modules, enabling consistent data flow in demanding industrial environments. Moreover, its rugged design ensures long-term performance in continuous operations where communication integrity is critical. The module installs easily within ABB subracks and integrates smoothly with existing system architectures, reducing installation time and avoiding configuration complications.

Key Benefits

The PS853 delivers dependable bus extension capabilities that maintain accurate signal transmission across complex control networks. In addition, its onboard termination circuitry prevents reflections and communication instability, which often occur in high-noise industrial settings. Engineers value its predictable behavior under full load, and system integrators appreciate its straightforward deployment in both new installations and retrofit upgrades. Therefore, the PS853 improves system uptime and helps maintain consistent process performance.

Technical Specifications

​Model: PS853 (4824 506-DZ)

Function: Bus extension and termination board

Compatibility: ABB DSP modules and ABB I/O module families

Mounting: Rack-mounted installation within ABB process control systems

Signal Termination: Built-in termination to reduce reflection and noise

Input Voltage: 24 V DC

Power Consumption: 120 W maximum

Output Voltages: +5 V DC, ±12 V DC supplied to the system backplane

Output Current (+5 V): 10 A

Redundancy: Supports N+1 redundant configurations

Status Indicators: LED indicators for power and fault

Operating Temperature: 0 °C to +55 °C

​Weight: 0.5 kg

Typical Applications

The ABB PS853 is widely used in process automation systems that require stable communication across distributed modules. For instance, it performs reliably in chemical, power generation, water treatment, and advanced manufacturing plants where precise data exchange is essential. Integrators deploy the PS853 when extending existing rack configurations or when upgrading legacy ABB Advant and related control infrastructures. Moreover, its proven stability supports continuous operation in environments with electrical noise or heavy system loading.

Reliability & Service

The PS853 is engineered for sustained operation in mission-critical automation platforms. Its solid construction minimizes unexpected failures, while its structured layout simplifies inspection and preventive maintenance tasks. In addition, the module is backed by a standard 12-month warranty, giving operators confidence when deploying it in long-running industrial processes. Spare part availability from major distribution hubs ensures short replacement cycles and simplified service logistics.

FAQ

Q1: Is the PS853 compatible with older ABB Advant systems? A1: Yes, the PS853 integrates well with many Advant-series racks and modules used in legacy ABB installations.

Q2: Does the module require external termination hardware? A2: No, the PS853 includes built-in termination to stabilize bus communication.

Q3: Can the PS853 operate continuously in high-load applications? A3: Yes, its design supports continuous duty in demanding automation environments.

Q4: Is redundancy supported for power and communication paths? A4: Yes, it can be used in N+1 redundant configurations to enhance system reliability.

Q5: What voltage does the PS853 normally accept? A5: The module typically operates from a regulated 24 V DC supply within a 20–30 V DC range.