訂購注意事項
PY602-602H-602S產(chǎn)品訂購注意事項
1、儀表供電電壓選擇:
220VAC交流電壓
24VDC直流電壓
2、儀表輸入信號類型(與用戶變送器/傳感器的輸出匹配):
4-20mA二線制壓力/液位/溫度等變送器類型
0-5VDC三線制壓力/液位/溫度等變送器
0-10VDC三線制壓力/液位/溫度等變送器
2.0/3.3mV壓力傳感器/稱重傳感器
RS485-RTU數(shù)字通訊信號變送器
溫度傳感器的類型選擇:J、K、E、PT100型
3、儀表輸出類型(與用戶采集控制系統(tǒng)匹配):
二路繼電器輸出(默認輸出類型)
二路繼電器輸出+一路繼電器輸出
二路繼電器輸出+一路模擬量4-20mA輸出
二路繼電器輸出+一路模擬量0-10VDC輸出
二路繼電器輸出+一路數(shù)字RS485輸出
4、用戶要了解產(chǎn)品的安裝環(huán)境及安裝方式:
室內(nèi)或室外安裝(需加電箱保護);
環(huán)境溫度;
設(shè)備的振動范圍;
安裝空間是否滿足產(chǎn)品外形尺寸;
Precautions for PY602-602H-602S product ordering
1. Instrument power supply voltage selection:
220 VAC AC voltage
24 VDC DC voltage
2. Type of instrument input signal (matching with user transmitter / sensor output)
Type of 4-20mA two-wire pressure / liquid level / temperature transmitter
0-5vdc three wire pressure / liquid level / temperature transmitter
0-10vdc three wire pressure / liquid level / temperature transmitter
2.0 / 3.3mV pressure sensor / load cell
Rs485-rtu digital communication signal transmitter
Type selection of temperature sensor: J, K, e, Pt100
3. Instrument output type (matching with user acquisition and control system)
Two way relay output (default output type)
Two relay outputs + one relay output
Two relay outputs + one analog 4-20mA output
Two relay outputs + one analog 0-10vdc output
Two relay outputs + one digital RS485 output
4. Users should understand the installation environment and installation mode of the product
Indoor or outdoor installation (power box protection required);
Ambient temperature;
Vibration range of equipment;
Whether the installation space meets the product dimensions;
使用注意事項
儀表供電類型及范圍參照儀表要求提供;
儀表16腳接地;
電源和信號線按訂購產(chǎn)品規(guī)格要求,正確接線;
儀表輸出端繼電器輸出功率嚴禁超出220V/1A或24V/1A;
注意保護儀表接入接出引出電纜,現(xiàn)場使用跨度過大時,建議使用金屬管保護或架空;
產(chǎn)品安裝于通風(fēng)、干燥、無強腐蝕環(huán)境,露天安裝加防護裝置,避免陽光直接照射;
盡量避免直接接近引起干擾的用戶裝置或電器;
The type and scope of instrument power supply shall be provided according to the requirements of instrument;
Instrument 16 foot grounding;
Power supply and signal wire shall be correctly wired according to the requirements of product specification ordered;
The output power of the relay at the output end of the instrument shall not exceed 220v/1a or 24v/1a;
Pay attention to the protection instrument access and outgoing cable. When the span of field use is too large, it is recommended to use metal pipe to protect or
overhead;
The product is installed in a ventilated, dry and non corrosive environment. Protective devices are installed in the open air to avoid direct sunlight;
Avoid direct access to user devices or appliances causing interference as far as possible;