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CAR2012TE 数据表(PDF) 8 Page - Lineage Power Corporation |
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CAR2012TE 数据表(HTML) 8 Page - Lineage Power Corporation |
8 / 20 page GE Data Sheet CAR2012TE series rectifier Input: 85Vac to 264Vac; Output: 12 Vdc @ 2000W; 3.3Vdc or 5 Vdc @ 4A February 9, 2014 ©2013 General Electric Company. All rights reserved. Page 8 instruction should be executed to each power supply to verify that the command properly executed. Voltage programming (Vprog): An analog voltage on this signal can vary the output voltage ± 10% from 10.8Vdc to 13.2Vdc. Hardware voltage programming controls the output voltage until a software margin command is executed. Software voltage programming (margining) permanently overrides the hardware margin setting and the power supply no longer listens to any hardware margin settings until power to the controller is interrupted, for example if input power or bias power is recycled. When bias power is recycled to the controller the controller restarts into its default configuration, programmed to set the output as instructed by the Vprog pin. Again, subsequent software commanded settings permanently override the margin setting. As an example, adding a resistor between Vprog and Output_return is an effective way of changing the factory set point of the rectifier to whatever voltage level is desired by the user during initial start-up. Load share (Ishare): This is a single wire analog signal that is generated and acted upon automatically by power supplies connected in parallel. Ishare pins should be connected to each other for power supplies, if active current share among the power supplies is desired. No resistors or capacitors should get connected to this pin. Remote ON/OFF: Controls the presence of the main 12Vdc output voltage. This is an open collector signal that needs to be pulled HI externally through a resistor. A turn OFF command either through this signal (Remote ON/OFF) or firmware commanded would turn OFF the 12V output. Interlock: This is a short signal pin that controls the presence of the 12Vdc main output. This pin should be connected to ‘output return’ on the system side of the output connector. The purpose of this pin is to ensure that the output turns ON after engagement of the power blades and turns OFF prior to disengagement of the power blades. Status signals Output current monitor (Imon): A voltage level of 3V = 167A, or 18mV/A, proportional to the delivered output current is present on this pin. AC OK: A TTL compatible status signal representing whether the input voltage is within the anticipated range. This signal needs to be pulled HI externally through a resistor. DC OK: A TTL compatible status signal representing whether the output voltage is present. This signal needs to be pulled HI externally through a resistor. Over temp warning: A TTL compatible status signal representing whether an over temperature exists. This signal needs to be pulled HI externally through a resistor. If an over temperature should occur, this signal would pull LO for approximately 10 seconds prior to shutting down the power supply. In its default configuration, the unit would restart if internal temperatures recover within normal operational levels. At that time the signal reverts back to its open collector (HI) state. Fault: A TTL compatible status signal representing whether a Fault occurred. This signal activates for internal power supply failures such as over temperature or over voltage shutdown. PS Present: This pin is connected to ‘output return’ within the power supply. Its intent is to indicate to the system that a power supply is present. Serial Bus Communications The I²C interface facilitates the monitoring and control of various operating parameters within the unit and transmits these on demand over an industry standard I²C Serial bus. All signals are referenced to ‘Signal Return’. Pull-up resistors: The clock, data, and SMBusAlert# lines do not have any internal pull-up resistors inside the power supply. The customer is responsible for ensuring that the transmission impedance of the communications lines complies with I2C and SMBus standards. Serial Clock (SCL): The clock pulses on this line are generated by the host that initiates communications across the I²C Serial bus. This signal needs to be pulled HI externally through a resistor as necessary to ensure that rise and fall time timing and the maximum sink current is in compliance to the I²C /SMBus specifications. Serial Data (SDA): This line is a bi-directional data line. This signal needs to be pulled HI externally through a resistor as necessary to ensure that rise and fall time timing and the maximum sink current is in compliance to the I²C /SMBus specifications. SMBUSAlert#: This hardware signal pin is normally HI. When asserted (logic LO) it signifies to the system controller that the state of the power supply has changed or that communication errors occurred. Basic Operation PMBus™ compliance: The power supply is fully compliant to the Power Management Bus (PMBus™) rev1.2 requirements. The power supply clears the STATUS and ALARM registers and the SMBAlert# signal after a successful read back of the information in these registers, with the exception of communications error alarms (PEC error, data error, command error). If the alarm state is still present the status |
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类似说明 - CAR2012TE |
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