SS2L / SS2R Series
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4.1 Descriptions on Nameplate
ᆢ Model No.:
The product model and options selected are described.
ᆢ Input signal:
4 – 20mA input signal with 2-wire is described.
ᆢ Ambient Temp.:
The ambient temperate range for operation is described.
ᆢ Serial No. / Date: Serial number and production date are described.
ᆢ Input - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for input are described.
output - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for output are described.
Limit - Ui , Ii, Ri, Pi, Li, Ci : Intrinsic safety electrical parameters for alarm or switch are described.
ᆢ Protection class: Explosion proof classifications approved are described.
ᆢ Certificate No: Certification number is described.
5. Principle of Operation
If 4-20 mA input signal is supplied, the micro-processor compares input signal with position
feedback and sends control signal to the I/P converting module. Pneumatic signal from the I/P
converting module operates the valve and the valve stays at the desired position.