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CAR2512FPBC5Z01A Folha de dados(PDF) 5 Page - Lineage Power Corporation |
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CAR2512FPBC5Z01A Folha de dados(HTML) 5 Page - Lineage Power Corporation |
5 / 7 page GE Energy CAR1212FP series rectifier Input: 85Vac to 264Vac; Output: 12 Vdc @ 1250W; 5 Vdc @ 0.5A July 20, 2012 ©2012 General Electric Company. All rights reserved. Page 5 current ≤ 20mA and the max voltage is 12Vdc. Open collector (HI) on this signal indicates that the output voltage is present. 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. Maximum sink current ≤ 20mA and the max voltage is 12Vdc. Open collector (HI) on this signal indicates that temperatures are normal. If an over temperature should occur, this signal would pull LO for approximately 10 seconds prior to shutting down the power supply. 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 needs to be pulled HI externally through a resistor. Maximum sink current ≤ 4mA and the max voltage is 12Vdc. Open collector (HI) on this signal indicates that no Fault is present. This signal activates for OTP, OVP, OCP, AC fault or No output. 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. This signal may need to be pulled HI externally through a resistor. Interrupt (SMBAlert): A TTL compatible status signal, representing the SMBusAlert# feature of the PMBus compatible i2C protocol in the power supply. This signal needs to be pulled HI externally through a resistor. Maximum sink current ≤ 4mA and the pull up resistor should be tied to 3.3Vdc. Open collector (HI) on this signal indicates that no Interrupt has been triggered. 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’. Device addressing: The microcontroller (MCU) and the EEPROM have the following addresses: Device Address Address Bit Assignments (Most to Least Significant) MCU 0xBx 1 0 1 1 A2 A1 A0 R/W EEPROM 0xAx 1 0 1 0 A2 A1 A0 R/W Address lines (A2, A1, A0): These signal pins allow up to eight (8) modules to be addressed on a single I²C bus. The pins are pulled HI internal to the power supply. For a logic LO these pins should be connected to ‘Output Return’ Serial Clock (SCL): The clock pulses on this line are generated by the host that initiates communications across the I²C Serial bus. This signal is not pulled up internally. The end user should add pull up resistance to 5Vdc as necessary to ensure that rise and fall time timing and the maximum sink current is in compliance to the I²C specifications. Serial Data (SDA): This line is a bi-directional data line. . This signal is not pulled up internally . The end user should add pull up resistance to 5Vdc as necessary to ensure that rise and fall time timing and the maximum sink current is in compliance to the I²C specifications. Communications Protocol The I²C protocol is described in detail by the I2C and PMBus Serial Communications Protocol for the CAR Family of Power Supplies application note. The Y01A suffix module supports only the I2C command set. I/O Expander option (PCF8574ATD-T) The CAR1212FPx without extended i2c communications (blank under the software option) has a single status/control byte I/O expander that is accessible via default address 0 x 7Eh (A2, A1, A0 are pilled HI). This byte takes the form; 7 6 5 4 3 2 1 0 n/s n/s Fault ON/OFF Temp_OK n/s DCOK ACOK n/s – not supported Bits 0, 1, 3, and 5 are ‘read_only’ and are HI [1] during normal operation. The rectifier needs to be biased externally in order to ‘read’ its operational state without the presence of input power. Bit 4 is a ‘read/write’ bit that can be used to verify the ON/OFF commanded state or change the commanded output of the rectifier. In order to turn the output OFF this bit needs to be pulled LO [0]. No PEC support is provided. Standard i2c commands apply. LEDs Three LEDs are located on the front faceplate. The AC_OK LED provides visual indication of the INPUT signal function. When the LED is ON GREEN the power supply input is within normal design limits. When the DC_OK LED is GREEN the DC output is present. When the FAULT_LED is RED then a fault condition exists and the power supply may not provide output power. The table below further defines these states: |
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