Siemens S5-135U/155U System Manual

Also see for S5-135U: System manual System manual

Contents

8-14 System ManualC79000-G8576-C199-068.2 Installation and StartupThis section describes how to prepare digital input/output modules forinstallation, and how to install and wire them.8.2.1 Setting the Module AddressYou set the module address on the addressing switch. This also establishesthe necessary assignments between user program and process connection.The address of the digital input modules (input bytes IB 0 to 255 or 252 forthe DI/DQ 482) and digital output modules (output bytes QB 0 to 255 or 252for the DI/DQ 482) is the sum of the binary significances established bydepressing the individual rockers in the On setting ().The modules are addressed by the STEP 5 program under their parameters(byte address).You can affix the adhesive label with the desired module address on alabeling field under the addressing switch. Suitable labels are supplied withthe CC.The switch rockers with which the module address (IB n or QB n) isspecified as a decimal number, are marked by dots on the label.Do not use a pencil to set the addressing switch.Labeling FieldDigital Input/Output Modules