XM2100.01-01-31-31-001-NN-100N3NN by Bosch Rexroth Indramat

The XM2100.01-01-31-31-001-NN-100N3NN controller is produced by Bosch Rexroth Indramat within the XM21 IndraControl Systems series. This PLC-class unit consolidates sequence control, motion coordination, and communication services on a single DIN-rail module, acting as the central authority between machine sensors, drives, and supervisory networks in industrial automation. Its compact fanless design supports cabinet installations where space and access are limited, and passive cooling helps reduce the need for moving air-handling components inside the enclosure.

At the core of the unit is an Intel Atom E620 600 MHz processor that executes user programs and fieldbus stacks. Control tasks are buffered by 512 MB of RAM, allowing multitasking without swapping to external media during normal operation. The controller runs from a nominal 24 V DC (SELV/PELV) supply, which simplifies power distribution inside the cabinet and keeps it compatible with common industrial control systems. Two Sercos III ports work as master or slave and support a cycle time of 250 µs, enabling tight position loops with downstream drives and synchronized data exchange across motion networks. A gigabit NIC reaches 1 Gbit/s for HMI, diagnostics, and OPC UA traffic. Additional memory comes from an SD slot that accepts cards of at least 1 GB, and single USB device and host ports support data transfer and peripheral attachment.

Peak demand is limited to 36 W, so cabinet thermal load stays modest and natural convection is often sufficient. The housing meets IP20 protection, and the unit uses Protection class III so only SELV circuits are present. The enclosure measures 100 mm in width, 74.1 mm in depth, and 126.3 mm in height, which helps it fit beside modular I/O and drive components on a DIN rail. Despite its aluminum chassis, mass is only 0.68 kg, so the controller adds little mechanical load to the mounting system. The narrow profile also leaves room for cable routing and clear access to the USB and network connections on the front of the module.