ABB HESG448230R1 Digital Input Module

Product Description

The HESG448230R1 is an ABB digital input module for the ABB Advant Master / AC450 DCS system. It collects discrete digital status signals from field switches, limit contacts, relay feedback and interlock devices, converts field signals into digital data and transmits to the controller via the backplane bus. It is widely used in power plants, pulp and paper mills and petrochemical process control cabinets.

Features

• Part No: HESG448230R1, Brand: ABB
• Digital input module for Advant Master AC450 DCS platform
• Galvanic isolation between field channels and internal control bus
• Onboard channel diagnostics for open circuit and short circuit detection
• Front panel LED indicators for module running status, bus communication and channel alarm
• Conformal coating, suitable for high dust and vibration industrial environment
• Hot-swappable under redundant rack configuration
• Standard plug-in form factor for Advant Master rack slots

Applications

• Thermal power plant boiler and turbine interlock monitoring cabinet
• Petrochemical, pulp and paper Advant Master control system
• Water treatment, metal processing discrete signal acquisition
• Legacy ABB AC450 DCS maintenance, spare replacement and retrofit
• Valve feedback, motor status, safety interlock signal collection

FAQ

Q: Which system does HESG448230R1 belong to?
A: It belongs to ABB Advant Master AC450 DCS, a classic legacy control system.

Q: Is this module discontinued?
A: The Advant Master AC450 series is end-of-life, supplied as surplus, refurbished and tested spare parts only.

Q: Can it mix with other Advant Master I/O modules in one rack?
A: Yes, it can be used together with AI, AO, DO and communication modules of the same series.

Q: What signal type does it support?
A: It is designed for dry contact or 24V DC discrete field input signals.