Beckhoff IP1002-B810 Fieldbus Box 8-channel Digital Input Module

Description

Decentralized signal acquisition on machine frames and production lines is executed reliably by the Beckhoff IP1002-B810 Fieldbus Box. This device gathers binary control signals from up to eight digital sensors and transmits them over a point-to-point RS232 interface to the master controller. Housed in a robust, fully-sealed polyamide shell, the IP1002-B810 does not require a protective sub-cabinet, enabling direct machine-mount installation in heavy industrial settings. Key features include an integrated 3.0 ms input filter to prevent contact bounce and standard M12 screw-type connection points for rugged sensor field-wiring.

Features

• 8 Digital Inputs: Supports direct connection of standard 24 V DC binary sensors.
• RS232 Serial Interface: Peer-to-peer communication protocol with selectable data transfer rates up to 38.4 kbaud.
• Rugged Sealed Housing: Highly durable PA6 polyamide design conforms to IP65, IP66, and IP67 protection classes.
• Input Filtering: Integrated 3.0 ms hardware filter to suppress signal noise and contact chatter.
• Flexible Mounting: Two pre-drilled 3.5 mm structural fixing holes for direct M3 screw attachment to machinery.

Applications

• Distributed packaging machine automation systems.
• Conveyor and material handling control networks.
• Wet process areas requiring high ingress protection ratings.
• Dedicated serial peer-to-peer data logging configurations.

Technical Specifications Table

Connections and Interfaces

Empirical Engineering Insights

Alternative Models & Compatibility

The IP1002-B810 model relies on a standard RS232 peer-to-peer connection, which is distinct from the fieldbus-specific IP1002 network modules (such as CANopen or PROFIBUS variants). When configuring the serial link, ensure the controller's serial port parameters match the module's default baud rate of 38.4 kbaud. Standard configuration tasks can be managed directly using Beckhoff's KS2000 software interface via the specified programming adapters.

Application Pitfalls & Engineering Notes

Because RS232 is an unbalanced communication interface, the maximum length of the serial connection cable is strictly limited to 15 meters. Exceeding this distance or using low-grade unshielded cables in high-interference environments (e.g., adjacent to variable frequency drives) will lead to transmission errors and module timeouts. Ensure that the total current draw of connected sensors does not exceed the short-circuit protected limit of 0.5 A across the module.

Commissioning & Wiring Tips

When routing the control cables, use shielded copper wiring (2 x 0.25 mm²) specifically rated for RS232 transmissions. Ensure the shield is grounded properly on the host controller side. For the M8 power distribution daisy chain, verify that the cumulative control voltage (US) draw of all downstream modules does not exceed the contact rating of the feed connectors, which is typically capped at 4 A.

Installation Guidelines