Products Description
ABB P-HB-AOT-1500S200 Analog Output Board Inquiry Item

This ABB P-HB-AOT-1500S200 is an AOT analog output board for ABB MasterPiece legacy DCS system. It receives digital commands from the DCS main controller and converts them into standard 4~20mA analog signals, to drive field valve positioners, frequency converters and other regulating actuators. It integrates signal isolation, over-limit protection and channel diagnosis functions. This is an obsolete old model, mainly used as maintenance spare parts for petrochemical, power and pulp & paper old ABB DCS control cabinets.
Specifications
Model: P-HB-AOT-1500S200 Brand: ABB (ASEA BROWN BOVERI) Type: Analog Output Board (AOT) Signal output: 4~20mA Channel: Multi-channel analog output Applicable system: MasterPiece DCS Mounting: Rack backplane slot installation Power supply: Backplane power supply Certifications: CE
Components & Troubleshooting
DAC conversion chip, analog signal conditioning circuit, isolation amplifier, output protection circuit, status LED indicator, gold-plated backplane connector, coated PCB. Common faults: no analog output, output signal drift, channel cannot be diagnosed, communication with controller lost, output locked.
Disclaimer
This spare part shall be installed and debugged by qualified DCS instrument technicians. Power off the rack before replacing the board.