Control Input Signal    4~20 mA DC (2-wire loop power)
Split range configurable (min. 4mA span)    Signal directly supplies power to the positioner; supports arbitrary range setting for split range control
Max Input Resistance    400 Ω @ 20 mA DC    Compatible with all mainstream DCS/PLC control systems
Communication Protocol    HART 5.0/7.0 (two-way digital communication)    Remote parameter setting, valve diagnosis data upload, online calibration
Intrinsic Safe Parameters    Ui=30V DC, Ii=100mA, Pi=690mW
Ci=26nF, Li=0.22mH (IN terminal)
Ui=7.8V DC, Ii=100mA, Pi=1000mW (SFC terminal)    Complies with Ex ia IIC T4 Ga explosion-proof standard; safe for hazardous gas areas
Lightning Protection    12kV surge voltage, 1000A surge current    Anti-lightning interference for outdoor field installation
Grounding Requirement    ≤100Ω grounding resistance    Ensure electrostatic discharge and anti-interference
Max Cable Length    1.28 km (shielded twisted pair cable)    Long-distance transmission without signal attenuation

1  .Our company specializes in automation industrial control accessories. We have more than 100,000 products.  
 Including : frequency converter, servo driver, servo motor,   data acquisition card, industrial camera, touch screen, circuit board, DCS module, soft starter, industrial   computer,encoder... etc
2，We accept PayPal transaction. All products provided 60 days warranty. We can send the goods by fast express to all over world.
 3. We can supply the product in brand new or used condition to meet your requirement.The picture and price show on our store is not real, before purchasing, please    contact us to provide you with accurate quotation and real pictures.
4. If you can not find the product you need in our store, please contact us .we will check it for you.