⎝⎛星力捕鱼⎞⎠

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Address: Xiongyi, Jinhe Road, Jinhu County, Jiangsu Province
Lunan
Phone: 0517-86900901
0517-86900921
0517-86900920
Fax: 0517-86900902
Postcode: 211600
http://zzyfwh.com
Email: chinadongxiang@163.com
Digital display instrument
Smart voltmeter, ammeter

1 scope of application

采用微处理器进行控制运算,配合不同的互感器可满足可各种测量量程的要求,可对电压电流进行高精度的显示、控制及变送输出。 DX-300 series intelligent voltmeters and ammeters use microprocessors to perform control calculations. With different transformers, they can meet the requirements of various measurement ranges, and can display, control and transmit voltage and current with high precision.
2Functional features Multiple protection, isolation design, strong anti-interference ability, high reliability and good software platform, with secondary development capabilities to meet special functional requirements. Self-calibration, manual calibration, and sensor correction. Complete network communication. Function, two-way communication with various devices with serial input / output to form a network control system

3 main technical indicators

Basic error: 0.5% FS or 0.2% FS ± 1 word Display mode: Double-row four-digit LED digital tube display Sampling cycle: 0.2S
Measuring range: -1999 ~ 9999
Alarm output: two-limit alarm or four-limit alarm, alarm mode and alarm sensitivity can be set, relay output contact capacity AC220V / 3A or AC220V / 1A.
Communication output: interface mode-isolated serial two-way communication interface RS485 / RS422 / RS232 / Modem
Baud rate--300 ~ 9600bps internal freely set transmission output: 4 ~ 20mA, 0 ~ 10mA, 1 ~ 5V, 0 ~ 5V Precision: ± 0.3% FS
Power supply: switching power supply 85 ~ 265VAC, power consumption below 4W

4 model description

Type spectrum Description
DX-300 Smart voltage and ammeter
Dimensions A 160 × 80 × 125mm
A / S Vertical 80 × 160 × 125mm
B 96 × 96 × 110 mm
C Horizontal 96 × 48 × 110 mm
C / S 48 × 96 × 110 mm
D 72 × 72 × 110 mm
F 48 × 48 × 110 mm
Alarm points B □ B0 no alarm output; B1-1 relay output
Communication output P Micro printer
R Serial communication RS232
S Serial communication RS485
Communication output P Micro printer
R Serial communication RS232
S Serial communication RS485
Power supply 220VAC power supply
W DC24V power supply
input signal AV () AC voltage input, input the input range in ()
DV () DC voltage input, enter the input range in ()
AA () AC current input, enter the input range in ()
DA () DC current input, input the input range in ()

Model example: DX-300CB2RAV (0-380V)
,输入量程为交流0~380V,外形尺寸96×48×110mm,2个继电器报警控制输出,带串行通讯接口RS232,供电电源220VAC。 DX-300 series intelligent voltmeter , input range is AC 0 ~ 380V, outline size 96 × 48 × 110mm, 2 relay alarm control output, with serial communication interface RS232, power supply 220VAC.