Related Manuals for Huawei PAC2000S12-B1 PSU
Summary of Contents for Huawei PAC2000S12-B1 PSU
- Page 1 PAC2000S12-B1 PSU Technical Manual Issue Date 2020-09-30 HUAWEI TECHNOLOGIES CO., LTD.
-
Page 2: About This Document
PAC2000S12-B1 PSU Technical Manual About This Document About This Document Purpose This document describes the PAC2000S12-B1 power supply unit (PSU), including its electrical specifications, features, applications, and communication. The figures provided in this document are for reference only. Intended Audience This document is intended for: ●... - Page 3 PAC2000S12-B1 PSU Technical Manual About This Document Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 1.0 (2020-09-30) This issue is the first release.
-
Page 4: Table Of Contents
PAC2000S12-B1 PSU Technical Manual Contents Contents About This Document......................... i 1 Product Overview........................1 2 Electrical Specifications......................3 2.1 Environmental..................................3 2.2 Input......................................4 2.3 Output......................................6 2.4 Efficiency....................................11 2.5 Protection....................................12 3 Characteristic Curves......................17 4 Typical Waveforms........................ 18 4.1 Turn-on/Turn-off................................... - Page 5 PAC2000S12-B1 PSU Technical Manual Contents 9.12 PS_INTERRUPT#.................................. 41 9.13 EFUSEV....................................41 9.14 SMART_ON#..................................42 10 Communication........................44 10.1 Physical Link Layer Protocol............................44 10.1.1 I2C Signal................................... 44 10.1.2 I2C Address..................................45 10.2 Data Link Layer Protocol..............................45 10.2.1 Data Transmission Mode.............................. 45 10.2.2 I2C Bus Timeout................................
-
Page 6: Product Overview
PAC2000S12-B1 PSU Technical Manual 1 Product Overview Product Overview Features ● Efficiency: ≥ 94% (T = 25°C; V = 230 V AC; P = 1000 W; without a fan) ● Depth x Width x Height: 183.0 mm x 68.0 mm x 40.5 mm (7.20 in. x 2.68 in. x 1.59 in.) - Page 7 PAC2000S12-B1 PSU Technical Manual 1 Product Overview Model Naming Convention Applications Servers 1 — Embedded power 2 — AC input 3 — Output power: 2000 W 4 — Single output 5 —Output voltage: 12.30 V DC (MV12, SV12), 7.60 V DC (MV6) 6 —...
-
Page 8: Electrical Specifications
PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Electrical Specifications 2.1 Environmental Parameter Min. Typ. Max. Unit Notes & Conditions Operating °C ● The PSU can start in a –10°C temperature (T environment. There are no requirements on its performance. ● When the ambient temperature is 60°C, the PSU can work with half... -
Page 9: Input
PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications 2.2 Input Parameter Min. Typ. Max. Unit Notes & Conditions AC input voltage range 220 V AC single-phase or 110 V AC dual–live wire input Rated AC input voltage range AC input voltage frequency... - Page 10 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Min. Typ. Max. Unit Notes & Conditions 0.98 = 25°C, V = 208 V AC/60 Hz, V = 230/50Hz, or V = 240 V AC/60 Hz, 50% load 0.99 = 25°C, V...
-
Page 11: Output
PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications 2.3 Output Parameter Output Min. Typ. Max. Unit Notes & Conditions Number of outputs ● The PSU provides one output. There are three output modes: MV12 (V = 12 V DC), SV12 (V... - Page 12 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions Output ripple and MV12 ● The minimum load is noise (peak to peak) 3 A. The ripple probe is connected to a 10 μF capacitor and a 0.1 μF ceramic...
- Page 13 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions Dynamic overshoot MV12 11.6 12.6 Current change rate: 0.5 amplitude A/µs, T = 10 ms (CCDHT1 = 5 ms; CCDHT2 = 5 ms); load: 25%–50%–25%;...
- Page 14 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions 11.4 12.8 ● Current change rate: 2 A/µs, T = 1 ms (CCDHT1 = 0.5 ms; CCDHT2 = 0.5 ms); load: 65%–100%– 65%. The bus voltage...
- Page 15 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions Transient impact MV12/ 11.4 12.8 ● Current change rate: power overshoot SV12 0.5 A/µs; T = 1s–10 ms–1s; load: 65%– 130%–65% ● The PSU 12 V bus...
-
Page 16: Efficiency
PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions Hot swap MV12 11.4 12.6 The system backplane voltage must not exceed the dynamic specification requirements of the PSU. During the hot swap of... -
Page 17: Protection
PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions = 25°C, V = 230 V AC, P 400 W, without a fan = 25°C, V = 230 V AC, P 1000 W, without a fan = 25°C, V... - Page 18 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions AC input undervoltage Hysteresis ≥ 5 V (During recovery threshold recovery, the PSU cannot start in the hysteresis range.) AC input overcurrent or Fast-blow fuse...
- Page 19 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions After a short circuit or overcurrent lasts for at least 4 ms, the PSU latches off. SV12 After the SV12 contact ground output overcurrent protection is...
- Page 20 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions Overtemperature °C ● Overtemperature protection protection can be triggered and the PSU can shut down the output only when the ambient temperature exceeds 50°C. The recovery...
- Page 21 PAC2000S12-B1 PSU Technical Manual 2 Electrical Specifications Parameter Output Min. Typ. Max. Unit Notes & Conditions between the protection threshold and the recovery threshold is greater than 5°C. NO TE ● MV12/MV6/SV12 overvoltage unlock mode (unlocked if any of the following conditions is met): ●...
-
Page 22: Characteristic Curves
PAC2000S12-B1 PSU Technical Manual 3 Characteristic Curves Characteristic Curves Conditions: T = 25°C unless otherwise specified Efficiency curve Power dissipation curve... -
Page 23: Typical Waveforms
PAC2000S12-B1 PSU Technical Manual 4 Typical Waveforms Typical Waveforms 4.1 Turn-on/Turn-off Conditions: T = 25°C unless otherwise specified Startup by power-on Shutdown by power-off = 220 V AC, V = 12.30 V) = 220 V AC, V = 12.30 V) -
Page 24: Output Voltage Dynamic Response
PAC2000S12-B1 PSU Technical Manual 4 Typical Waveforms 4.2 Output Voltage Dynamic Response Conditions: T = 25°C unless otherwise specified Output voltage dynamic response Output voltage dynamic response = 220 V AC; load: 25%–50%–25%; = 220 V AC; load: 75%–50%–75%; 0.5 A/μs; T = 10 ms; MV12) 0.5 A/μs;... - Page 25 PAC2000S12-B1 PSU Technical Manual 4 Typical Waveforms Output voltage dynamic response Output voltage dynamic response = 220 V AC; load: 50%–75%–50%; = 240 V DC; load: 25%–50%–25%; 0.5 A/μs; MV12) 0.5 A/μs; T = 10 ms; MV12) Output voltage dynamic response Output voltage dynamic response = 240 V DC;...
-
Page 26: Output Voltage Ripple
PAC2000S12-B1 PSU Technical Manual 4 Typical Waveforms Output voltage dynamic response Output voltage dynamic response = 240 V DC; load: 65%–100%–65%; = 240 V DC; load: 50%–75%–50%; 2.0 A/μs; T = 1 ms; MV12) 0.5 A/μs; MV12) 4.3 Output Voltage Ripple Conditions: T = 25°C unless otherwise specified... -
Page 27: Energy Saving Feature
PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature Energy Saving Feature 5.1 Active/Standby (Hot Standby) Power Supply If PSUs work in parallel, the PSU with an output setting voltage of 12.3 V is the active PSU and the PSU with an output setting voltage of 12.05 V is the standby PSU. - Page 28 PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature Parameter Min. Typ. Max. Unit Notes & Conditions Busbar voltage in fault 11.4 In 1+1 active/standby mode power supply scenarios (AC +AC, AC+HVDC, or HVDC +HVDC), the PSU output voltage is greater than 11.4...
- Page 29 PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature Parameter Min. Typ. Max. Unit Notes & Conditions 11.0 In 2+2 active/standby power supply scenarios (AC +AC, AC+HVDC, or HVDC +HVDC), when the following faults occur, the PSU output voltage is greater than 11.4 V, and...
- Page 30 PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature NO TE 1. 1+1 scenarios (input voltage of the active PSU: 220 V/50 Hz; input voltage of the standby PSU: 230 V/50 Hz): When the total load of the system is less than or equal to 80% of the rated load of a single PSU, the standby PSU does not connect to loads in the steady state.
-
Page 31: Deep Sleep Function
PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature 5.2 Deep Sleep Function The PSU enters deep sleep mode if bit B of PS_CONTROL (CEh) is set to 1. NO TE When PSUs are connected in parallel, if one PSU enters deep sleep mode and the system communicates with it,... - Page 32 PAC2000S12-B1 PSU Technical Manual 5 Energy Saving Feature ● The communication of the standby PSU is faulty. ● The active PSU MV12/SV12 experiences a fault, such as input power failure, input undervoltage, input overvoltage, output overvoltage, output overcurrent, overtemperature, fan fault, and output undervoltage (the output voltage is lower than 11.8 V), which causes the Smart_ON#...
-
Page 33: Hot Swap Requirements
PAC2000S12-B1 PSU Technical Manual 6 Hot Swap Requirements Hot Swap Requirements Hot swapping is the process of inserting the PSU to and extracting the PSU from a power system. The PSU should meet hot-swapping specifications. The PSU can be hot swapped by the following methods:... -
Page 34: Internal Cooling Fan
PAC2000S12-B1 PSU Technical Manual 7 Internal Cooling Fan Internal Cooling Fan The PSU uses the extraction mode for heat dissipation. The air blows in from the rear and blows out from the front. The fan meets the following requirements: In MV6 working mode, the PSU works at the lowest rotational speed, and overtemperature protection should not be triggered. - Page 35 PAC2000S12-B1 PSU Technical Manual 7 Internal Cooling Fan Figure 7-2 Fan power supply circuit Fan Protection When PSUs work in parallel, if a fan and its power supply circuits are short-circuited or open- circuited, the 12 V/6 V power of the system backplane cannot exceed the normal dynamic voltage change limit (the output voltage of the MV12 is greater than 11.4 V, and the time when...
-
Page 36: Parallel Operation
PAC2000S12-B1 PSU Technical Manual 8 Parallel Operation Parallel Operation Current Share Design Requirements The current imbalance of the MV12 main output is ±5% (50%–100% load). When the PSU starts in parallel mode, the total startup load is less than the rated load of one PSU. -
Page 37: Control Functions
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Control Functions 9.1 Turn-on/Turn-off Timing Figure 9-1 Turn-on/Turn-off timing Table 9-1 Turn-on/turn-off timing definitions Symbol Description Minimum Maximum Unit Value Value Time from AC/DC input to when IPOK# 2000 becomes high level Time from when IPOK# becomes high level to when MV12 outputs to 11.4 V (PSON# at low... - Page 38 PAC2000S12-B1 PSU Technical Manual 9 Control Functions Symbol Description Minimum Maximum Unit Value Value Delay time for OPOK# to take effect (from the time when MV6/MV12 increases to 90% to when OPOK# becomes high level) IPOK# failure delay time (from input power...
-
Page 39: Oring-Fet
PAC2000S12-B1 PSU Technical Manual 9 Control Functions NO TE 1. In case of input outage, if the load power is greater than 50%, the PSU needs 10–120 ms to set the IIC alarm position to 1; if the load power is less than or equal to 50%, the PSU needs 20–120 ms to set the IIC alarm position to 1. -
Page 40: Present
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Figure 9-3 Interconnect diagram of the PSON12V signal Table 9-2 PSON12V# signal characteristics Signal Characteristics Signal type:PSU on/off signal PSU side: This signal is pulled up to 3.3 V auxiliary power supply inside the PSU by a 4.7-kilohm resistor. -
Page 41: Opok
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Table 9-5 INSTALLED# signal characteristics Signal Characteristics Signal type: The PSU determines PSU side: This signal is pulled up to 3.3 V auxiliary power whether it has been inserted into the supply inside the PSU by a 4.7-kilohm resistor. - Page 42 PAC2000S12-B1 PSU Technical Manual 9 Control Functions Table 9-7 OPOK# signal characteristics Signal Characteristics Signal type: Detects whether the PSU PSU side: OD gate; the signal is pulled up to 3.3 V MV12 output is normal. auxiliary power supply inside the PSU by a 1-kilohm (reference value) resistor or the DSP outputs the signal directly through a series resistor.
-
Page 43: Ipok
PAC2000S12-B1 PSU Technical Manual 9 Control Functions 9.7 IPOK# The IPOK# signal is used to detect whether the PSU input is normal. Figure 9-5 shows the interconnect diagram of the IPOK# signal. Figure 9-5 Interconnect diagram of the IPOK# signal... -
Page 44: Ipok Link
PAC2000S12-B1 PSU Technical Manual 9 Control Functions 9.8 IPOK LINK# The IPOK LINK# signal is delivered by the system to the PSU, which indicates that the system has at least one PSU present with normal input. Table 9-11 IPOK LINK# signal characteristics... -
Page 45: I_Mon
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Table 9-13 CYC_PWR# signal characteristics Signal Characteristics Signal type: Shuts down or restores PSU side: This signal is pulled up to 3.3 V auxiliary power MV12 output. supply inside the PSU by a 2.49-kilohm resistor. -
Page 46: Ps_Interrupt
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Table 9-15 IP PRESENT# signal characteristics Signal Characteristics IP PRESENT# = High MV12 output mode IP PRESENT# = Low SV12 output mode Table 9-16 IP PRESENT# output IP PRESENT# Output Min. Max. Low level voltage 0.6 V... -
Page 47: Smart_On
PAC2000S12-B1 PSU Technical Manual 9 Control Functions Table 9-18 EFUSEV signal characteristics Signal Characteristics Signal type PSU side: Sent to the PSU DSP by a 100-ohm series resistor. System side: ● If this function is enabled, the system sends the voltage analog signal of the main service circuit to the PSU, or CPLD outputs this signal over the drive circuit and this signal is pulled up to 3.3 V level by a 4.7-... - Page 48 PAC2000S12-B1 PSU Technical Manual 9 Control Functions Signal Characteristics SMART_ON# = High The PSU enters cold standby mode. SMART_ON# = Low The PSU exits from cold standby mode. Table 9-21 SMART_ON# output SMART_ON# Output Min. Max. Low level voltage 0.8 V High level voltage 2.0 V...
-
Page 49: Communication
PAC2000S12-B1 PSU Technical Manual 10 Communication Communication 10.1 Physical Link Layer Protocol 10.1.1 I2C Signal The PSU includes a main control unit (MCU) used for monitoring, and a 256-byte internal EEPROM used for storing fault records. The PSU can use the internal EEPROM in the MCU to store fault records. -
Page 50: I2C Address
PAC2000S12-B1 PSU Technical Manual 10 Communication 10.1.2 I2C Address Addresses A2, A1, and A0 are allocated to a PSU. PSU side: ● A2, A1, and A0 must be pulled up to the internal voltage source through a 10-kilohm (reference value) resistor. The voltage source must be the voltage source that supplies power to the secondary MCU. -
Page 51: I2C Bus Timeout
PAC2000S12-B1 PSU Technical Manual 10 Communication 10.2.2 I2C Bus Timeout The I2C program of the PSU is reset to 0 if the PSU detects that the SCL or SDA data line is held low for more than 300 ms. 10.3 Network Layer Protocol 10.3.1 Addressing Mode of a Slave Device... - Page 52 PAC2000S12-B1 PSU Technical Manual 10 Communication Send Byte command and response Receive Byte command and response Write Byte command and response Write Word command and response Read Byte command and response Read Word command and response Process Call command and response...
-
Page 53: Application Layer Protocol
PAC2000S12-B1 PSU Technical Manual 10 Communication 10. Block Read – Block Write Process Call command and response 10.4 Application Layer Protocol NO TE ● The PSU alarm is not latched. If a PSU is faulty, an alarm is reported. After the PSU fault is rectified, the alarm is automatically cleared. -
Page 54: Commands
PAC2000S12-B1 PSU Technical Manual 10 Communication ● Y is the 11-bit, binary signed mantissa (two's complement). ● N is the 5-bit, binary signed exponent (two's complement). Linear 16 Data Format The linear data format consists of two parts, with a 16-bit binary unsigned mantissa and a 5-bit binary signed exponent (two's complement), as shown in the following figure. - Page 55 PAC2000S12-B1 PSU Technical Manual 10 Communication Hex Code Command Name Read/Write Data Format 0x7B PMBUS_CMD_STATUS_IOUT Read/Write BYTE 0x7C PMBUS_CMD_STATUS_INPUT Read/Write BYTE 0x7D PMBUS_CMD_STATUS_TEMP Read/Write BYTE 0x7E PMBUS_CMD_STATUS_CML Read/Write BYTE 0x80 PMBUS_CMD_STATUS_MFR_SPECIFIC Read/Write BYTE 0x81 PMBUS_CMD_STATUS_FANS Read/Write BYTE 0x88 PMBUS_CMD_READ_VIN Read WORD...
- Page 56 PAC2000S12-B1 PSU Technical Manual 10 Communication Hex Code Command Name Read/Write Data Format 0xC8 PMBUS_CMD_WARNING_COUNT3 Read/Write WORD 0xCC PMBUS_CMD_MAX_VIN Read/Write WORD LINEAR 11 0xCD PMBUS_CMD_MAX_IIN Read/Write WORD LINEAR 11 0xCE PMBUS_CMD_PS_CONTROL Read/Write WORD 0xCF PMBUS_CMD_READ_POWER_TYPE Read WORD 0xD0 PMBUS_CMD_SMART_ON_CONFIG Read/Write BYTE...
- Page 57 PAC2000S12-B1 PSU Technical Manual 10 Communication ● 0x80: The PSU is enabled. ● 0x00: The PSU is reset. ● 0x40: The PSU soft-closes the mains output. The PSOK# time sequence meets the requirements. NO TE ● When the MCU is powered on again or the PSU is removed from the system, the default value 0x80 is restored.
-
Page 58: Online Upgrade
PAC2000S12-B1 PSU Technical Manual 10 Communication ● 0x00: standard backup mode ● 0x01: cold standby active mode ● 0x02: standby PSU 1 in cold standby mode ● 0x03: standby PSU 2 in cold standby mode ● 0x04: standby PSU 3 in cold standby mode PMBUS_CMD_SET_PSALERT: forcible alarm command ●... -
Page 59: Format Of Reading Logs
PAC2000S12-B1 PSU Technical Manual 10 Communication The shutdown event, input voltage, input current, output voltage, output current, temperature, fan speed, maximum input voltage, maximum output current, PS control, and other information will be stored in the fault record register. The no-output faults caused by insertion or extraction with power on, PSU output command (OPERATION), and CYC_PWR delivered by the system will not be stored in the PSU fault record. -
Page 60: Mechanical Overview
PAC2000S12-B1 PSU Technical Manual 11 Mechanical Overview Mechanical Overview 11.1 Dimensions Unit of measurement: mm (in.) Dimensions (D x W x H): 183.0 mm x 68.0 mm x 40.3 mm (7.20 in. x 2.68 in. x 1.59 in.) - Page 61 PAC2000S12-B1 PSU Technical Manual 11 Mechanical Overview...
-
Page 62: Output Connector
PAC2000S12-B1 PSU Technical Manual 11 Mechanical Overview 11.2 Output Connector Figure 11-1 Output connector (top view) Figure 11-2 Output connector (bottom view) Table 11-1 Output connector definition PIN# Signal Description PS_OPOK Signal indicating normal main output PS_IPOK Signal indicating normal input... -
Page 63: Led Indicator
PAC2000S12-B1 PSU Technical Manual 11 Mechanical Overview PIN# Signal Description CYC_PWR# Power supply cycle power PS_INTR# PSU alarm interruption signal I2C data I2C Sig GND I2C signal ground I2C clock ADD2 Address 2 ADD1 Address 1 ADD0 Address 0 11.3 LED Indicator... - Page 64 PAC2000S12-B1 PSU Technical Manual 11 Mechanical Overview NO TE 1. For normal startup, the green indicator should be on and should not blink. For normal power-off, the power indicator should be off. 2. The position of the LED indicator should meet the ESD requirements.
-
Page 65: A Emc Specifications
PAC2000S12-B1 PSU Technical Manual A EMC Specifications EMC Specifications Parameter Conditions Criterion Conducted emission (CE) Class A, 6 dB EN 55032 Radiated emission (RE) Class A, 6 dB EN 55032 Class A, 6 dB, 30 MHz to 1 GHz FCC Part15 Electrostatic discharge Contact: ±6 kV, air: ±8 kV... - Page 66 PAC2000S12-B1 PSU Technical Manual A EMC Specifications Parameter Conditions Criterion Dip to 70% UT, hold-up time: 500 ms IEC 61000-4-11, criterion Dip to 0% UT, hold-up time: 5000 ms IEC 61000-4-11, criterion Dip (HVDC) Dip to 40% UT IEC 61000-4-11, criterion...
-
Page 67: B Product Safety Testing
PAC2000S12-B1 PSU Technical Manual B Product Safety Testing Product Safety Testing Dielectric Strength Testing Test Item Minimum Test Test Duration Leakage Expected Result Voltage Current Input and PE 2500 V DC 1 minute ≤ 10 mA No breakdown or arcing... -
Page 68: C Reliability
PAC2000S12-B1 PSU Technical Manual C Reliability Reliability Parameter Min. Typ. Max. Unit Notes & Conditions Mean time between 500,000 Hours Telcordia SR332; V = 230 failures (MTBF) V AC/240 V DC; Rate load; = 25°C... - Page 69 Copyright © Huawei Technologies Co., Ltd. 2020. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.