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DATA SHEET
READ
The read protocol is the SMBus 1.1 Read Byte/Word protocol. Note that the read protocol may request a single byte or word.
S Address W A
Command
A
S Address R
1)
Optional
A
Data (Low) Byte A
Data High Byte 1) nA P
In addition, Block read commands are supported with a total maximum length of 255 bytes. See PFE Programming Manual
BCA.00006 for further information.
S Address W A
Command
A
S Address R
A
Byte Count
A
Byte 1
A
Byte N
nA P
8.18 GRAPHICAL USER INTERFACE
Power- One provides with its “Power -One I 2 C Utility” a Windows? XP/Vista/Win7 compatible graphical user interface allowing
the programming and monitoring of the PFE1100-12-054xA Front-End. The utility can be downloaded on:
www.power-one.com and supports both the PSMI and PMBus? protocols.
The GUI allows automatic discovery of the units connected to the communication bus and will show them in the navigation
tree. In the monitoring view the power supply can be controlled and monitored.
If the GUI is used in conjunction with the SNP-OP-BOARD-01 Evaluation Kit it is also possible to control the PSON_L pin(s)
of the power supply.
Further there is a button to disable the internal fan for approximately 10 seconds. This allows the user to take input power
measurements without fan consumptions to check efficiency compliance to the Climate Saver Computing Platinum specifica-
tion.
The monitoring screen also allows to enable the hot-standby mode on the power supply. The mode status is monitored and
by changing the load current it can be monitored when the power supply is being disabled for further energy savings. This
obviously requires 2 power supplies being operated as a redundant system (as in the evaluation kit).
NOTE: The user of the GUI needs to ensure that only one of the power supplies have the hot-standby mode enabled.
Figure 37 - Monitoring dialog of the I 2 C Utility
BCD.00012_AI Oct-24-2013
17
www.power-one.com
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相关PDF资料
PFE500S-28/T PWR SUP AC/DC 85-265VAC 28V
PFE700S-48 PWR SUP AC-DC 85-265VAC 51V 14A
PFE850-12-054RA FRONT END 850W 12V HI EFFICIENCY
PGB1040805NR SUPPRESSOR ESD 24VDC 0805 SMD
PGB2010402KRHF SUPPRESSOR ESD 12VDC 0402 SMD
PHW603616 BOX FIBER 63.5X36.5X18.1" GREY
PI-1902 BOX ABS 1.26" X 1.97" X 3.54"GRY
PI-1905 BOX ABS 1.97" X 2.36" X 4.72"GRY
相关代理商/技术参数
PFE1100-12-054RA 功能描述:FRONT END 1100W 12V HI EFFICINCY RoHS:是 类别:电源 - 外部/内部（非板载） >> AC DC 转换器 系列:* 产品培训模块:MP Modular-Configurable AC-DC Power Supply 特色产品:Configurable Power Supplies 标准包装:1 系列:MP
PFE1100-12-054RD 制造商:Power-One 功能描述:- Trays 制造商:Power-One 功能描述:Power One PFE1100-12-054RD DC to DC
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PFE12HSX-U 功能描述:线性和开关式电源 240W 12V 36A RoHS:否 制造商:TDK-Lambda 产品:Switching Supplies 开放式框架/封闭式:Enclosed 输出功率额定值:800 W 输入电压:85 VAC to 265 VAC 输出端数量:1 输出电压（通道 1）:20 V 输出电流（通道 1）:40 A 商用/医用: 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:Rack 长度: 宽度: 高度:
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