Product Description:
The communication interfaces CI520, CI522 and CI526 use TC625 as external modems while CI626 has integrated coaxial media modems. The modems are able to drive a 700 meter (2300 ft.) of 75 ohms coaxial cable with 80 AF 100 Stations connected.
The modems are galvanically isolated from the communication interface. The modems are HF/HV grounded through a capacitor. Furthermore, the Advant Fieldbus 100 must be grounded, but only in one end. If redundant cables are
used they should be grounded in the same place The Communication Interface CI520V1, CI522, CI526V1 and CI626V1 can handle two redundant bus cables (see Section 4, Installation and Start-up) but CI520V1, CI522, CI526V1 and CI526 must have one modem (TC625) per bus cable. Each station connection consists of two bus cables, one drop cable and a BNC Tconnection. One bus cable leading to the next communication interface, one to the previous communication interface and the drop cable leading to the actual node.
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