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CHAPTER 5 BASIC CONNECTIONS FOR OPERATION
5.1 Connecting single load, Local sensing
Local sensing is suitable for applications where load regulation is not critical. Fig 5-1 shows recommended
load and sensing connections for applications with a single load.
+V
1,2,4
+
FPS1000
+S
8
LOAD
SIGNAL
RTN
10
ON/
OFF
7
-S
-V
13
3,5,6
-
Fig 5-1: single load connection, local sensing
* In Local sense applications, the +/- sense have to be connected to the
+/-V terminals of the FPS1000 units prior the operating the FPS1000 units
5.2 Connecting Single Load, Remote Sensing
Remote sensing is used in cases where the load regulation is important at the load terminals. Use twisted
or shielded wires to minimize noise pick-up. If shielded wires are used, the shield should be connected
to the ground at one point, either the power supply side or the load. The optimal point for the shield ground
should be determined by experimentation. Refer to the power supply specifications for the maximum
voltage drop allowed at the load wires.
Load line.
FPS1000
+V
+S
1,2,4
8
Up to 1V drop.
+
LOAD
SIGNAL
RTN
10
ON/
OFF
7
-S
-V
13
3,5,6
Sense lines
Load line.
-
Twisted pairs
Up to 1V drop.
Fig 5-2: Remote sensing, single load.
5.3 Connecting Multiple loads, radial distribution method
In cases of multiple loads connected to one supply, each load should be connected to the power supply's
output terminals using separate pairs of wires. It is recommended that each pair of wires will be as short
as possible and twisted or shielded to minimize noise pick-up and radiation.
The sense wires should be connected to the power supply output terminals or to the load with the most
critical load regulation requirement.
FPS1000
+V
+S
1,2,4
8
+
-
LOAD # 1
SIGNAL
RTN
10
ON/
OFF
7
-S
-V
13
3,5,6
+
-
+
-
LOAD # 2
LOAD # 3
Fig 5-3: Multiple loads connection , radial distribution
14
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FPS100032/P 功能描述:线性和开关式电源 1000W 32V 31A 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:
FPS100032/S 制造商:TDK-Lambda Corporation 功能描述:Power Supply, 992 Watts 制造商:TDK-Lambda Corporation 功能描述:1008W,85-265VAC,32V@40A,1.61" X 5" X 11.4" - Bulk
FPS100048 功能描述:线性和开关式电源 1000W 48V 21A Rear AC Input 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:
FPS1000-48 制造商:TDK 功能描述:
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FPS100048/P-HFP 制造商:TDK-Lambda Corporation 功能描述:1008W,85-265VAC,48V@21A,1.61" X 5" X 11.4", HAZMAT - Bulk
FPS100048/PS 功能描述:线性和开关式电源 1000W 48V 21A 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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