PW900智能压力调节器是我公司研制生产的新型工业自动控制仪表，该产品吸收了国外九十年代同类产品的优点，同时还具有它独自的特点，特别适用于高温熔体压力的测量与控制，及电网波动较大的场合。该产品外形美观、功能齐全、极好的抗干扰性能使系统可靠工作。
该表采用双层四位数码管分别显示实际压力值和设定值；输出窗口单排条码显示输出功率，具有压力上、下限报警，可由继电器触点输出、电压脉冲输出、双向可控制硅驱动触发器输出；恒流（或恒压）输出，全自动面板调试程序，使系统校准只需轻轻一按；该表采用三种抗干扰措施，使调节器可靠工作；第一、采用光电隔离电路使输入与微处理器隔离，微处理器与输出隔离，电源与输入、微处理器、输出隔离；第二、采用软件抗干扰措施，使软件可靠工作；第三、采用硬件程序监视系统，使系统程序受到干扰后能自动恢复正常工作。经实践表明采用以上抗干扰措施可使系统软件有很高的可靠性，确保系统工作稳定、可靠，输出功率为PID和模糊控制相结合，使手动自动无扰动切换，同时功率输出值为步进输出。
该产品广泛应用于石油、化纤、塑料行业对高温熔体压力的测量与控制。
功能参数
窗口显示：双层四位、实际值和设定值同时显示、输出功率条码显示
其它功能：断电保护、二路报警
工作时间：大于20000小时
配套使用：与变送器配套可实现压力控制、控制精度可达±1kg
兼容性：完全替换Dynisco产品uPC660/uPR690压力调节器
操作简单化：①开机直接进入手动状态；
②点按转换键可直接设置控制压力；
③按增加键可直接增加输出功率；
④手动/自动无扰动切换；
⑤自动状态条码直观显示输出功率；
⑥具有输出功率及单一输出功率限幅；
⑦具有输出功率及单一输出功率限幅。
技术指标
数字显示：双层四位
内分辨率：32000
外分辨率：0.01Mpa、0.02MPa、0.05Mpa
非线性：0.5%±1个字、0.2%±1个字
报警设置：上/下限0～99.99MPa
PID输出：4-20mA、0-10V、1-5V、0-10mA、0-20mA（可选）
继电器额定值：250VAC、5A
使用环境：—10～+50℃、80%RH
电源：85～265VAC
连续工作时间：长期
开口及安装尺寸：90×90×110mm
出厂配置 序号 名称 单位 数量 备注
1 PW900智能压力调节器 台 1
2 传感器 支 1 选购件
3 电缆线 米 5 一端有插头座
4 安装架 套 1
5 使用说明 份 1
6 出厂合格证 份 1
PW 900 series of intelligent temp and pressure digital instruments are the products of our company. We are the initial designers and vendors of the double-function digital instruments. PW series consist of PW300, PW300dual, PW600, PW800 and PW900. They incorporate the advantages of the same products from foreign countries in 1990s, as well as new features are added. Actually, they are quite suitable for measurement and control at one point for temp and pressure. PW series are good-looking and of excellent EMC performance.
New features:
Two-layer digital LEDs with four-bit for each layer display actual pressure value and temp value;
Pressure and temp alarms can be easily set;
The output can be generated by relay, voltage pulse or silicon via constant voltage or constant current;
System operation is controlled by the key panel;
Calibration can be easily completed just by pressing CAL key on the key panel.
Three new technical methods are introduced to enhance the EMC performance:
Photoelectric modules insulate the microprocessor from input and output interface;
New anti-jamming methods are used in the system program;
A hardware monitor runs all the time, which can reset the system to normal operation from abnormal operation after distortion.
Parameters
Item
Description
Display
Two-layer structure, top for pressure and bottom for temp
Internal resolution
32,000
External resolution
0.01Mpa、0.02MPa、0.05Mpa
Pressure
0.01MPa, 0.02MPa and 0.05MPa can be automatically switched by key panel
Temp
0.1℃, 0.2℃, 0.5℃, 1℃,
Non-linearity
0.5%±1 point, 0.2%±1point
Alarm range
0~99.99MPa for pressure; 0~408℃ for temp
PID output
4~20mA, 0~10V, 1~5V, 0~10mA, 0~20mA
Default value of Relay
250V AC, 5A
Operating condition
-10~+50℃, 80%RH
Power supply
85~265V AC
Operation time
Continuously
Outer dimension
90×90×110mm, 45×45×110mm
Mounting dimension
90×90×110mm
Default Configuration
No.
Item
Qty
Note
1
PW900intelligent pressure controller
1
2
Sensor
1
Optional
4
Cable
1(5m)
One terminal with male connector
5
Mount device
1
6
Manual sheet
1
7
Certification
1
