The AC2451 is a stainless-steel CompactLine AS-Interface module providing four digital inputs for industrial sensor integration. Its V4A construction offers enhanced mechanical and environmental resistance compared with standard polymer field modules. The M12 connection supports reliable field wiring. IP67 protection enables decentralized installation near machinery and sensors. It is suitable for demanding automation environments where durable construction and digital sensor connectivity are required.
Explore performance details, construction highlights, applications, and technical information in one clear overview.
Product Overview
The AC2451 provides four digital PNP inputs in a compact V4A stainless-steel housing. It is designed for direct integration of industrial sensors. AS-i communicates the sensor states to the automation controller. The module supports distributed installation close to the process. Its stainless-steel construction makes it suitable for applications with increased mechanical or environmental demands.
Input Performance
Four digital inputs support switching sensors and field devices. The input channels provide standardized digital signal acquisition. Short-circuit protection helps protect the input circuitry. Sensor power is provided through the module architecture. The configuration supports reliable decentralized sensing.
Mechanical Construction
The V4A stainless-steel housing provides robust mechanical construction. It is suitable for environments where corrosion resistance and mechanical durability are important. The module uses M12 connection technology. The compact housing supports direct machine-side installation. Optional stainless-steel mounting accessories are available for increased mechanical loads.
Diagnostics & Maintenance
Input status can be monitored through the AS-i network. M12 connections simplify sensor replacement. The stainless-steel housing supports demanding cleaning and industrial environments. Network diagnostics help identify communication faults. Channel-level testing supports efficient commissioning and maintenance.
4 digital inputs
PNP input technology
V4A stainless-steel housing
M12 connections
AS-Interface communication
IP67 protection
CompactLine architecture
Distributed field installation
Short-circuit protected inputs
Robust construction
PLC integration
Industrial sensor connectivity
Food processing
Packaging machinery
Hygienic production
Chemical equipment
Water treatment
Conveyor systems
Assembly machines
Machine automation
Sensor networks
Production lines
Material handling
Industrial process equipment
| No. | Specification | Details |
|---|---|---|
| 1 | Product Code | AC2451 |
| 2 | Product Family | CompactLine |
| 3 | Product Type | Digital input module |
| 4 | Inputs | 4 |
| 5 | Input Circuit | PNP |
| 6 | Network | AS-Interface |
| 7 | Connection | M12 |
| 8 | Housing | V4A stainless steel |
| 9 | Protection | IP67 |
| 10 | Installation | Field |
| 11 | Sensor Supply | AS-i |
| 12 | Input Current Limit | 15 mA |
| 13 | Input High Current | 6–10 mA |
| 14 | Input Low Current | 0–2 mA |
| 15 | Switching Threshold | >11 V high |
| 16 | Short-Circuit Protection | Yes |
| 17 | AS-i Version | 2.11 / 3.0 |
| 18 | Addressing | AS-i addressing |
| 19 | Ambient Temperature | -25 to 80 °C |
| 20 | Storage Temperature | -25 to 80 °C |
| 21 | Relative Humidity | Up to 90%, non-condensing |
| 22 | Mounting | Field mounting |
| 23 | Connection Type | M12 A-coded |
| 24 | Maintenance | Channel-level diagnostics |
| 25 | Application | Industrial sensor acquisition |
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