The analog output isolation safety gate will be from the safe area control system 4-20mA signal or other current signals, through isolation and linearization processing transmission to the danger zone, and drive the site of the valve positioner, electrical/gas converter, and support digital signal transmission (HA RT).
Basic parameters | |
Power Supply | 20～35V DC |
Power protection | Power backconnect protection |
Consumption current (24V power supply, 20mA output) | ≤75mA |
Response Time | ≤2ms 90% of the final value |
Transmission accuracy (20℃, 4~20mA) | 0.1%F.S. (Typical value: 0.05%F.S.) |
Ambient Temp | -20℃～+60℃ |
Connected field equipment and the area where it is located | Valve positioner, electric/gas converter Zone 0, zone 1, zone 2, ⅡA, ⅡB, ⅡC, T4 ~ T6 danger zone |
Hazard side output | |
Output signal | 4 ~ 20mA, HART digital signal |
RL | RL≤750Ω |
Output Impedance | ≥1MΩ |
Safety side input | |
nput Current | 4 ~ 20mA, HART digital signal |
Input voltage drop | ≤2V |
