Schneider Electric 8030CRM-210 Interface Module

The 8030-CRM-210 Symax Local Interface Module is a 512-register interface card that links a Square D/SyMax 8030 PLC to remote I/O in a multi-drop rack network. It provides 512 registers—255 allocated for external drop addressing and 257 for internal data storage—with register addresses fixed once assigned and adjustable only via rack-addressing software. The CRM-210 is compatible with Symax Class 8030 racks and works with CRK-210/300, DRK-210/300, and GRK-110/210 rack assemblies. A keying pin located between registers 92 and 94 must be inserted during installation, and power should be removed from racks before adding or removing interface modules. Dimensions measure 1.5 in (3.8 cm) in height, 6.5 in (16.5 cm) in length, and 1.0 in (2.5 cm) in depth, and the unit weighs about 2 lb 15.2 oz (1.3 kg). This interface module enables local communications for the Symax I/O network, supporting the exchange of data between the controller and distributed input/output across the linked racks. Manufacturer and model identifiers align with Schneider Electric's Square D SyMax 8030 series, and the CRM-210 is recognized in catalogs as a Local Interface Module with 512 registers for the 8030 Class PLC architecture.