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DVT7-D电压传感器
品牌:美国 OSI
型号:DVT7
类型:直流电压传感器(用户可选择的输入范围)
描述/DESCRIPTION
DVT7是一种直流电压传感器,具有用户可选择的输入范围。DIP开关的可选范围从50伏扩展到600伏。传感器输出与所选范围的零至满刻度(F.S.)输入成比例。封装为紧凑、易于安装的DIN导轨安装外壳。
The DVT7 is a dc voltage transducer with user-selectable input ranges. DIP switch-selectable ranges extend from 50mV to 600V. Transducer output is proportional to a Zero-to-Full Scale (F.S.) input for the selected range.Packaging is a compact, easy-to-install, DIN rail-mount enclosure.
特征/FEATURES
•直流电压测量
•各种输出类型
•输入、输出和仪表电源电气隔离
•DIN导轨安装外壳
• DC voltage measurement
• Variety of output types
• Input, output and instrument power are electrically isolated
• DIN rail-mount enclosure
应用/APPLICATIONS
•分路隔离
•太阳能电池组电压监测
•蓄电池接地监测
•直流电机驱动过压或欠压状态监测
• Shunt isolation
• Solar string voltage monitoring
• Battery ground monitoring
• DC motor drive overvoltage or undervoltage condition monitoring
参数
电压输入 |
0-600Vac |
输出 |
0-5Vdc、0-10Vdc、4-20mAdc |
准确性 |
±0.5% FS |
频率 |
直流电 |
测量 |
直流电 |
系统配置 |
1Ø |
型号 |
输出 |
极性开关 |
DVT7D |
0 -±10V |
双向 |
DVT7E |
4-20mA |
单向 |
DVT7X5 |
0 -±5V |
双向 |
开关位置
要选择所需的输入范围,请将开关设置为“ON”,如所示下面的图表:
输入 范围 |
开关位置 |
||||||
SW1 |
SW2 |
SW3 |
SW4 |
SW5 |
SW6 |
||
高压输入(Vdc)) |
600 |
off |
off |
ON |
ON |
ON |
off |
500 |
off |
ON |
ON |
ON |
ON |
off |
|
250 |
ON |
off |
off |
ON |
ON |
off |
|
150 |
ON |
ON |
off |
ON |
ON |
off |
|
100 |
ON |
ON |
ON |
off |
ON |
off |
|
50 |
ON |
ON |
ON |
ON |
ON |
off |
|
低电压输入(Vdc) |
50 |
off |
ON |
ON |
ON |
off |
ON |
25 |
ON |
off |
off |
ON |
off |
ON |
|
15 |
ON |
ON |
off |
ON |
off |
ON |
|
10 |
ON |
ON |
ON |
off |
off |
ON |
|
5 |
ON |
ON |
ON |
ON |
off |
ON |
|
毫伏输入(mVdc) |
500 |
off |
ON |
ON |
ON |
off |
off |
250 |
ON |
off |
off |
ON |
off |
off |
|
150 |
ON |
ON |
off |
ON |
off |
off |
|
100 |
ON |
ON |
ON |
off |
off |
off |
|
50 |
ON |
ON |
ON |
ON |
off |
off |
规格
输入INPUT |
|||
DIP开关可选范围(F.S.) |
|||
毫伏输入 |
50, 100, 150, 250, 500mVdc |
||
低压输入 |
5, 10, 15, 25, 50Vdc |
||
高压输入 |
50, 100, 150, 250, 500, 600Vdc |
||
当与DVT7-EXT扩展模块一起使用时,1000V选项可用. |
|||
超出范围(无损坏) |
|||
500V和600V范围 |
850Vdc |
||
所有其他范围 |
2 X F.S.额定值 |
||
阻抗 |
|||
毫伏输入 |
≥1kΩ |
||
低压输入 |
≥100kΩ |
||
高压输入 |
≥1MΩ |
||
频率(所有范围) |
dc |
||
输出OUTPUT |
|||
缩放比例 |
0-F.S.输入=0-F.S.输出 |
||
加载 |
0 -±5V,0 -±10V |
≥2kΩ |
|
4-20mA |
0-500Ω |
||
响应(至90%) |
200μs,典型 |
||
仪表功率 |
24V±20%,dc/50-400Hz,≤2W |
||
精度(设定点、线性、偏移) ACCURACY (setpoint, linearity, offset) |
±0.5% F.S. |
||
介电测试DIELECTRIC TEST |
|||
输入到输出/仪表电源 |
2500Vdc |
||
仪表输出功率 |
500Vdc |
||
温度与环境TEMPERATURE & ENVIRONMENTAL |
|||
温度工作范围 |
-30°C ~ +60°C |
||
影响 |
±0.5% F.S. |
||
相对湿度 |
0-95%,不冷凝 |
||
物理性能PHYSICAL 根据EN50052/EN60715,安装在标准35mm“顶帽”导轨上 |
|||
终端线尺寸 |
12-30AWG |
||
防护等级 |
IP20 |
||
重量 |
0.25磅 |
安装/操作/保修/INSTALLATION / OPERATION / WARRANTY
安装说明/INSTALLATION INSTRUCTIONS
1.只能由合格的电工进行安装!
2.在进行任何电气连接之前,确保电气服务已断开。
3.支路保护按国家和地方规范要求设置检查机构的报告。
4.按要求布线,并按照本表和装置上的接线图固定到端子上。
5.传感器适合安装在600Vac线路上。
6.为防止与带电电路接触,当安装在裸母线上时,要求传感器安装在需要使用工具进入的外壳中。当安装在绝缘电缆上时不需要第二个外壳的电缆。
1. Installation should be performed by qualifi ed electricians only!
2. Make sure electrical service is disconnected before making any electrical connections.
3. Branch circuit protection is required to be provided in accordance with the National and Local codes of the inspection authority.
4. Route wires as required and secure to terminals per connection diagram on this sheet and on the unit.
5. Transducers are suitable for installation on 600Vac lines.
6. To prevent contact with live circuits, when installed on a bare bus bar, the transducer is required to be mounted in an enclosure that requires the use of a tool for access. When installed on an insulated cable this second enclosure is not required.
操作说明/OPERATING INSTRUCTIONS
1.本装置适用于海拔2000米以下的室内使用。
2.根据安装类别(过电压)II,污染等级2的瞬态过电压。
3.如果需要清洁外表面,则应断电所有供应服务(两个测量和仪表电源电路),并用软刷刷洗或用低压空气吹扫。使用适当的眼部保护。不适合清洗软管。
4.最高相对湿度80%,温度最高31ºC,线性下降至50% 40℃时的相对湿度。
5.最大工作温度范围为-20°C至60°C。
1. This unit is intended for indoor use at altitudes up to 2000 meters.
2. Transient overvoltages according to Installation Category (overvoltage) II, Pollution Degree 2.
3. If cleaning of the exterior surface is necessary, de-energize all services of supply (both measuring and instrument power circuits) and brush with a soft brush or blow off with low-pressure air. Use appropriate eye protection. Not suitable for hose-down cleaning.
4. Maximum relative humidity 80 percent for temperatures up to 31ºC decreasing linearly to 50 percent relative humidity at 40ºC.
5. Maximum operating temperature range is -20°C to 60°C.