The Control I/O Slave module (IMCIS02) brings process field signals into the Infi 90 Process Management System, and outputs Infi 90 signals to the process. Master modules use this I/O to monitor and control a process. This instruction explains the slave module features, specifications and operation. It details the procedures to follow to setup and install a Control I/O Slave (CIS) module. It explains troubleshooting, maintenance and module replacement proce-dures. The system engineer or technician using the CIS should read and understand this instruction before installing and operating the slave. Total number of pages in this manual is 43, consisting of the following: Page No. Change Date Preface Original List of Effective Pages Original iii through vi Original 1-1 through 1-8 Original 2-1 through 2-7 Original 3-1 through 3-8 Original 4-1 through 4-2 Original 5-1 through 5-3 Original 6-1 Original 7-1 Original 8-1 Original A-1 through A-4 Original B-1 through B-2 Original When an update is received, insert the latest changed pages and dispose of the superseded pages. NOTE: On an update page, the changed text or table is indicated by a vertical bar in the outer margin of the page adjacent to the changed area. A changed figure is indicated by a vertical bar in the outer margin next to the figure caption. The date the update was prepared will appear beside the page number.