IP3112-B510-0000 Beckhoff
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The Beckhoff IP3112-B510-0000 is an analog input module with 4 differential analog inputs and a resolution of 15 bits plus arithmetic sign. Part of the IP Compact Box Units series, this unit uses CANopen as its fieldbus system and offers control to fieldbus isolation and an input filter with 10 variants. It features a common mode voltage maximum of 35 V and includes M8 and M12 signal connections.
Internal Product Review
The IP3112-B510-0000 is a Beckhoff compact box analog input module with 4 analog inputs and CANopen fieldbus communication. Differential input design and 500 V channel-to-control isolation support clean, stable signal acquisition in industrial control panels. Measurement error below ±0.3% FS makes the unit a strong choice for dependable analog performance.
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Product Description:
The IP3112-B510-0000 is an IP67-rated analog input module built by Beckhoff for the IP Compact Box Units series. Installed directly on machinery, it collects low-level sensor signals and forwards digitized data to the control system, allowing decentralized I/O without a protective cabinet. The module’s four differential input channels make it suitable for pressure, force, or temperature transducers in automated assembly lines and process equipment.
Each channel is processed through a 15-bit converter with an additional sign bit, yielding a resolution of 15 bits plus a sign bit. A complete scan of all channels is performed in 140 ms, so control loops can be configured with predictable latency. Error introduced by the front end remains below ±0.3% FS, and the differential inputs present an impedance of 80 Ω to the sensor circuit. Channel-to-control isolation withstands up to 500 V, although the four inputs share an internal common ground and do not have interchannel isolation. Acquisition follows a differential topology that rejects line noise, while the absence of a holding capacitor keeps conversion consistent across the specified temperature range. Four analog inputs appear to the PLC as consecutive words in the process image.
The field side connects through M12 screw-in terminals, and upstream system power is supplied through two 4-pin M8 connectors: one plug and one socket. Data exchange is handled through the CANopen fieldbus, and the control electronics are galvanically separated from that network. Up to 10 input filter variants can be selected to balance response time and noise suppression. The module publishes its values as a 4 × 16-bit process image, matching typical Beckhoff master mappings. A maximum common-mode voltage of 35 V protects the converters during sensor fault conditions.
