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CHAPTER 10 Capstone COMMUNICATIONS Refer to Table 10-6 for additional terminal connection information. Note that closing an external contact will initiate a start, and opening this same contact will stop the microturbine. Battery Wake-Up Dual Mode C200 microturbines will automatically go into sleep mode if they are not connected to a live utility grid for a preset time. This is to protect their batteries from being discharged, which would result in preventing the microturbine from starting when asked to do so. Means are provided for on the microturbine display to wake a system that is in sleep mode so that a normal start sequence can begin. This action is sometimes referred to as “Battery Start”. Refer to the C200 User Manual (400008) for operating the display. For remote starting a Dual Mode system that is in sleep mode, a momentary contact closure across the battery start contacts on terminal J10 pins 2 and 3 must be provided to wake the system prior to issuing a system start command. Note that this momentary connection may only be closed for .1 to 2.0 seconds to prevent discharge of the UCB battery. Refer to Table 10-4 below for additional terminal information. Emergency Stop Inputs Two Emergency Stop (E-Stop) inputs are available in the UCB Communications Bay (see Figure 10-2). The E-Stop inputs are identified as Local and Global E-Stops. These inputs are simple contact closures intended for dry contact circuits, where “closed” means normal operation. Opening a circuit across these inputs initiates an E-Stop. Local E-Stop is used on a single microturbine system. When activated, it will stop this microturbine only. Global E-Stop is used on MultiPac Configurations. It is connected to one microturbine in the MultiPac. When activated, it will stop all microturbine systems in the MultiPac. NOTE If no external E-Stop device is installed, the E-Stop terminals in the UCB must be jumpered. CAUTION Emergency stops increase stress on system components. Repeated use of the Emergency Stop feature will result in damage to the microturbine. For most applications, use this only in emergency situations. It is recommended to use other options, such as the fault inputs for emergency stops, for noncritical stops. Refer to Table 10-3 for E-Stop connection details. Table 10-3. E-Stop Connection Details E-Stop UCB Communications Bay Terminal Block (Pin Numbers) Global Local J10 (Pins 8 and 9) J10 (Pins 10 and 11) 410066 Rev C (June 2009) 10-5 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 | CAPSTONE C200 MICROTURBINE TECHNICAL REFERENCE
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