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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Technical Reference: Capstone Model 330 Electrical Table 11. Serial Communication Ports Pin Signal Parameter J6 User Interface Port J5 Maintenance Interface Port DB9 (male polarity) and RS-232 protocol. Maximum null modem cable length is 50 feet. DB25 (male polarity) and RS-232 protocol. Maximum cable length is 50 feet. Table 12. MultiPac Communication Ports J1 MultiPac Communication Ethernet Protocol (I/O) (Note 1) J3 MultiPac Communication Ethernet Protocol (I/O) (Note 1) Note 1: Whenever J1 or J3 are at the extremities of the Ethernet network, 50-ohm BNC terminators must be installed at these ports. The maximum number of nodes is 30, and the maximum total RG-58A/U coaxial cable length is 185 meters. Each MicroTurbine has 5.2 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. Notice that these ports are reserved for the interconnection of MicroTurbines only. Pin Signal Parameter J15 (A) J15 (B) J15 (C) J15 (D) J15 (E) J15 (F) J15 (G) J15 (H) J15 (J) J15 (K) J15 (L) J15 (M) Serial Communication (Not Applicable) Inter-Controller Start (Not Applicable) Global E-Stop (Not Applicable) (Not Applicable) E-Stop Return [for J15 (E)] (Not Applicable) Inter-Controller Start Return (Not Applicable) Serial Communication RS-485, Bus A Protocol (Notes 1 thru 3) Chassis Ground +24 VDC @ 15 mA per MicroTurbine (Note 2) Chassis ground Normal Operation: N*135 mA. E-Stop: (+) 13.8 VDC (Note 3) Chassis Ground Spare Normal Operation: N*135 mA. E-Stop: 0 VDC Reserved 15 mA per MicroTurbine @ 0 VDC Reserved RS-485, Bus B Protocol Table 13. Connector J15 – Inter-Controller (A) RS-485 Port Pin Signal Parameter Note 1: Whenever J15 is at the extremities of the RS-485 multi-drop network; Capstone-provided terminators must be installed. The maximum number of nodes is 32, and the maximum RS-485 cable length is 1000 meters. Each MicroTurbine has 5.2 meters of internal cable length, which must be included in the total length considerations. Repeaters may be added whenever the maximum cable lengths or the maximum number of nodes are exceeded. Note 2: No more than 20 MicroTurbines may be connected on one multi-drop branch. Parallel branch wiring must be used when N>20. Note 3: N≤16 on any global E-Stop multi-drop using W900 interconnecting cables. Use branch circuits for N>16. As an alternative, Terminal Blocks TB2, terminals 9 and 10 may be used with external wiring to connect the global E- Stop circuit in lieu of the W900 cables. The maximum voltage drop in this external cable must be < 5.0 VDC for the most remote MicroTurbine. 410000-001 Rev A (April 2002) Page 20 of 22 This information is proprietary to Capstone Turbine Corporation. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered. Capstone reserves the right to change or modify without notice, the design, the equipment ratings, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.PDF Image | 410000 C30 Elec
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