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Capstone Turbine Corporation 21211 Nordhoff Street Chatsworth CA 91311 USA Technical Reference: Capstone C65 Electrical NOTE: Connectors J1 and J2 are reserved for the interconnection of microturbines only. Connections made to these ports MUST be isolated from ground. 5.1.3. Ethernet Cabling Requirements The cable type required for Ethernet connection is RG-58A/U (coaxial, 50-Ohm impedance). The recommended cable type is Belden, Part Number 9907 or equivalent. Basic requirements for cabling include the following: The maximum segment length of a thin wire 10B2 cable is 185 meters (607 feet). For longer segments, a fiber optic repeater can be used. Up to 30 connections (Medium Attachment Units or MAUs) are allowed per Ethernet segment. For larger LAN’s, repeater hubs are required. Each repeater connection requires a MAU that must be counted toward the total of 30 MAU connections per segment. Each microturbine has 1.93 meters of internal cable length that must be included in the total length considerations. Repeaters may be added whenever the maximum cable length or the maximum numbers of nodes are exceeded. Whenever J1 or J2 are at the extremities of the Ethernet network, 50-ohm BNC terminators must be installed at these ports. 5.1.4. RS-485 Harness Interconnections (J6 and J8) The RS-485 harness is used transfer the following hardware signals between microturbines: Inverter synchronization (Stand Alone only); one microturbine serves as an inverter master, passing voltage and frequency signals to all other microturbines in the MultiPac for synchronization. Global E-Stop - Wired to one turbine (typically the master), which shuts down all other microturbines in the MultiPac when opened. Battery Wake-Up – Wired to one turbine (typically the master), which wakes up all other microturbines in the MultiPac for Stand Alone operation. NOTE: The RS-485 harness is not required if operating in Grid Connect mode and the Global E-stop is not configured. Table 5 and Table 6 define all connection for connectors J6 and J8. 410001 Rev N (August 2013) Page 15 of 43 Capstone reserves the right to change or modify, without notice, the design, specifications, and/or contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.PDF Image | Technical Reference Capstone Model C65 Electrical
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