Figure 11 Digital sensor quick connect1.Connect the optional digital communication outputThe manufacturer supports Modbus RS485, Modbus RS232, Profibus DPV1 and HARTcommunication protocols. The optional digital output module is installed in the location indicated byitem 4 in Figure 7 on page 12. Refer to the instructions supplied with the network module for moredetails.For information about Modbus registers, go to http://www.de.hach.com or http://www.hach.com andsearch Modbus registers or go to any sc200 product page.Install a Secure Digital (SD) memory cardFor instructions on how to install an SD card in the controller, refer to Figure 12. Information on howto use the SD memory card can be found in Using the secure digital memory (SD) cardon page 42.To remove an SD card, push down on the edge of the card and release, then pull the card up and outof the slot. After the card is removed, close the slot cover and tighten the cover screws.Figure 12 SD card installationEnglish 21