Irving, Tex. -systron PM remote I/O modules are now rated Class I, Div. 2, Group A, B, C, and D hazardous locations. All I/O modules feature this rating except for certain relay contact output modules. Included models are bus modules, digital and analog I/O modules, RS-232/RS-485 serial interfaces, CPUs, and special-purpose I/O modules. The rail-mounted units are either 22.5- or 45mm wide. CPU modules can be programmed in IEC 61131-3 languages while fieldbus interfaces enable connection as remote I/O points in a distributed configuration over Profibus, Interbus, DeviceNet, CAN, and Modbus. www.entrelec.com. Entrelec