For ET 200SP, a comprehensive range of I/O modules, including fail-safe versions, is available:

• Digital input modules (DI), with color coding white
• Digital output modules (DQ), with color coding black
• Digital input/output modules (DI/DQ), with color coding mint green
• Analog input modules (AI), with color coding light blue
• Analog output modules (AQ), with color coding dark blue
• Technology modules (TM), with color coding turquoise
• Communications modules (CM), with color coding light gray
• Special modules, with color coding mint green
• Motor starters as direct-on-line starters (DS) and reversing starters (RS)
• Pneumatics

Apart from the standard type of delivery in single-unit packaging, selected I/O modules and BaseUnits are also available in a pack of 10 units. The pack of 10 units enables the amount of waste to be reduced considerably, as well as saving the time and cost of unpacking individual modules.