Description
ABB AI523 B4 ANALOG INPUT MODULE 1SAP250300R0001 (USED)
ABB
AI523 B4
ANALOG INPUT MODULE
1SAP250300R0001
16AI: +-10V 0/4…20MA 24VDC PT100,
12 BIT+SIGN, 2-WIRE, 24VDC 5W
MADE IN GERMANY
REF.NO: FKM11467
The ABB AI523 B4 is a multi-channel analog input module designed for the ABB AC500 PLC platform, widely deployed in marine and industrial automation environments. Supporting voltage, current, and PT100 temperature inputs across 16 channels, it provides reliable signal acquisition for onboard control systems including engine room automation, power management, and process monitoring. Its broad input compatibility makes it a dependable component in demanding maritime applications.
Key Features
✓ 16 analog input channels supporting ±10V, 0/4–20mA, and PT100 temperature sensors
✓ 12-bit plus sign resolution for accurate measurement across all supported input types
✓ 24VDC supply voltage at 5W power consumption, suitable for standard marine panel power
✓ 2-wire connection configuration for simplified field wiring and installation
✓ Manufactured in Germany to ABB industrial quality and reliability standards
Marine Applications
Engine room automation and machinery condition monitoring systems
Power management and load control systems onboard commercial vessels
Temperature and process signal acquisition for propulsion and auxiliary equipment
Ballast water treatment and cargo control automation systems
HVAC and environmental control automation on offshore and merchant vessels
Why Marine Engineers Choose
The ABB AI523 B4 is a proven component within the ABB AC500 ecosystem, offering broad input type flexibility in a single compact module. Its multi-channel design reduces hardware footprint and simplifies integration into existing automation panels, making it a practical choice for both system maintenance and new installations.
Ideal For
Merchant vessels, tankers, bulk carriers, offshore platforms, naval auxiliaries, and industrial marine installations requiring reliable multi-channel analog signal acquisition within ABB AC500-based automation systems.
Technical Support & Compliance
Our team provides complete solutions including remote troubleshooting, onboard support, testing and commissioning, repair, retrofit and upgrade services, and full integration support for ABB AC500 analog input modules. To confirm compatibility with your installation, please share nameplate photos, part numbers, wiring drawings, system model and firmware version, vessel name, IMO number, and scope of work. Compatibility is subject to confirmation based on the information provided.




