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Key Features • Redundancy with bumpless transfer • Dual-redundant high-speed Ethernet connections • Field mountable in harsh process environments • Online configuration and reconfiguration • HART® pass-through of process and status variables • Supports both zone 2/2 (81xx) and zone 2/1 (82xx) IO modules Online Changes EBIMs allow online configuration changes. You can add or remove EBIMs, add or remove modules, activate or deactivate points, activate or deactivate HART, and change module and point parameters all online. Built-in Diagnostics Extended diagnostics are available to provide module and channel status information, including high and low alarm, open circuit detection, and line fault detection at the device level and “fail-safe” perform level. High System Availability - Easy Maintenance Maximize up-time through use of redundant EBIM controllers, power supplies, and network connections. “Hot swap” modules without affecting system operation or re-configuring even in hazardous areas. EBIM Redundancy Redundant EBIMs can be used for critical control applications. The redundant EBIM pair operates in parallel, checking status multiple times through the processing loop enabling the backup EBIM to continuously monitor the health of the master EBIM, assuring a rapid and bumpless transfer to the standby EBIM. Network Redundancy In addition to EBIM redundancy, the EBIM has two high-speed Ethernet ports to provide security of communication. Each port can be connected to an independent LAN which is continuously monitored for its integrity. The fault tolerant network protocol provides network diagnostics and manages network connectivity. If the primary port detects a network failure, traffic is immediately switched to the other LAN to maintain full communication. Failsafe and Automatic Cold Start In the event of complete loss of communication the EBIM will adopt a user-defined failsafe mode and similarly instruct the I/O to take up user-defined failsafe values. In the event of power loss the EBIM will perform a cold restart. I/O Module Configuration The EBIM receives full details of all the I/O modules under its control and stores the information in non-volatile memory. At start-up the controller downloads to the modules their configuration details, which also include the failsafe states they should adopt in the event of communication failure. Firmware Updates In keeping with its ability to maintain operations on a continuous basis, redundant EBIMs are also capable of receiving a firmware upgrade. An EBIM can receive an update to its firmware while still in the field. When the upgrade has been confirmed as successful, the EBIM can be returned to full operation as a master or as a protective standby and the redundant EBIM’s firmware can then be upgraded.