ABB

1.Main Functions

Analog signal conditioning & conversion: It receives raw weak field analog signals from on‑site transmitters and sensors, then performs amplification, filtering, impedance matching and signal level adjustment. It converts unprocessed input signals into standardized analog signals compatible with INFI‑90 DCS backplane bus.More products: www.plcva.com

PS 830 Signal Conditioning Module

Signal isolation: Provides electrical galvanic isolation between field‑side circuits and DCS controller internal circuits. It suppresses ground loop interference, common‑mode noise and surge disturbance from field wiring, protecting downstream control hardware.
Offset & gain calibration: Supports on‑site hardware potentiometer tuning for zero offset and span gain, to match different sensor output ranges and correct signal deviation.
Interface adaptation: Bridges field‑level instrumentation signals and INFI‑90 back‑plane communication bus, making non‑standard field signals readable by DCS processing boards.
Fault suppression: Filters high‑frequency noise spikes, reduces signal jitter and improves measurement stability for closed‑loop control loops.plcva.com

PS 830 Signal Conditioning Module

DCS process control system: Used within ABB Bailey INFI‑90 distributed control cabinets, deployed between field instrumentation and main I/O modules.
Industrial process measurement: Processes analog signals from pressure transmitters, flow transmitters, level sensors and temperature transducers in heavy‑process industries.
Noise‑prone field environments: Applied in chemical plants, power generation plants, pulp‑and‑paper mills, metallurgy factories where long field cables and heavy electrical interference exist.

PS 830 Signal Conditioning Module

Retrofit & maintenance: Serves as spare replacement component for legacy INFI‑90 control racks for existing plant modernization and system spare‑part inventory.
Closed‑loop regulation loops: Delivers conditioned, stable analog measurements to PID control algorithms, supporting stable automatic process regulation.