ABB ai523:s500,analog in.mod.16ai,u/i/rtd

Why Choose the ABB AI523 16-Channel Analogue Input Module?

The ABB AI523, order code 1SAP250300R0001, is an S500 analogue input module providing 16 individually configurable analogue inputs for compatible ABB AC500 automation systems. The channels support voltage, current, RTD and digital input signals, making the AI523 suitable for a broad range of industrial measurement and monitoring applications.

Each input can be configured for common industrial signals including 0–10 V, ±10 V, 0–20 mA and 4–20 mA, as well as Pt100, Pt1000 and Ni1000 temperature sensors. The module also supports digital input functionality, providing additional flexibility when integrating mixed field devices into an S500 I/O station.

The AI523 provides 13-bit analogue resolution including sign and supports 1-wire, 2-wire and 3-wire connection arrangements depending on the signal type and sensor configuration. With a 24 V DC process supply, IP20 housing and galvanic isolation at module level, it is designed for integration into industrial control cabinets and compatible AC500 architectures.

Key Advantages

• 16 analogue inputs: Provides high-density analogue signal acquisition in a single S500 module.
• Flexible signal configuration: Supports voltage, current, RTD and digital input signals.
• Wide industrial signal range: Handles standard 0–10 V, ±10 V, 0–20 mA and 4–20 mA process signals.
• Temperature measurement: Supports Pt100, Pt1000 and Ni1000 RTD sensors.
• 13-bit resolution: Provides analogue conversion with sign for detailed process signal acquisition.
• Channel-level configuration: Individual input channels can be configured according to the connected field signal.
• Flexible wiring: Supports appropriate 1-wire, 2-wire and 3-wire connection arrangements depending on the application.
• AC500 integration: Designed for use within ABB S500 I/O architectures using compatible terminal units.

Key Features

• ABB AI523 S500 analogue input module
• Order code: 1SAP250300R0001
• 16 analogue input channels
• Input signals: voltage, current, RTD and digital
• 0–10 V voltage input
• −10 to +10 V voltage input
• 0–20 mA current input
• 4–20 mA current input
• Pt100 temperature input
• Pt1000 temperature input
• Ni1000 temperature input
• Digital input functionality
• 13-bit analogue input resolution including sign
• 1-wire module connection architecture
• 2-wire and 3-wire sensor configurations supported according to signal type
• 24 V DC supply voltage
• Module-level galvanic isolation
• Individual channel plausibility monitoring
• Wire-break and short-circuit monitoring for supported analogue configurations
• IP20 housing protection

High-Density Analogue Signal Acquisition for ABB AC500

The ABB AI523 provides 16 configurable analogue inputs for acquiring process and machine signals within an S500 I/O architecture. Its support for voltage, current and RTD signals allows one module to handle a wide variety of sensors and transmitters, including standard 0–10 V and 4–20 mA process instruments and Pt100, Pt1000 or Ni1000 temperature sensors.

Depending on the field device and selected signal type, the AI523 supports appropriate 2-wire and 3-wire measurement arrangements, while its digital input functionality provides additional versatility for discrete field signals. Channel monitoring functions can assist with detecting implausible signals, wire breaks and short circuits on supported configurations. The module connects to the ABB S500 system through a compatible TU515 screw-terminal or TU516 spring-terminal unit.

Typical Applications

• ABB AC500 PLC analogue I/O expansion
• Industrial process measurement
• 0–10 V and ±10 V signal acquisition
• 4–20 mA transmitter monitoring
• Pressure, level and flow measurement
• Temperature monitoring using RTD sensors
• Pt100, Pt1000 and Ni1000 temperature measurement
• Machine sensor monitoring
• Process automation systems
• Central and distributed S500 I/O installations