TV125M _ ST125M Universal Isolating Amplifier

Explosion protection

 Ignition protection typ ia 

Intrinsically safe Inputs 

Type : TV125M(P)-Ex, ST125M(P)-Ex

 Zone 0/1/2 : II (1)G [Ex ia Ga] IIC/IIB 

Zone 20/21/22 : II (1)D [Ex ia Da] IIIC

 

Ignition protection typ ic 

Intrinsically safe Inputs + zone 2 installation 

Type : TV125MP-Ex, ST125MP-Ex

 Zone 2 : II 3G Ex ec [ic] IIB T4 Gc

 Limit values

 Input circuit

 IIB/IIIC (IIC) : Uo=27,6V;  Io= 1,3mA; Po=9,6mW;

  Co=667nF (85nF); 

  Lo=200mH (100mH)

  Ui=26V; Ii=113mA; Pi=660mW

  Ci=1nF; Li=240nH

 Output circuit (ST125M(P)Ex, only)

 IB/IIIC (IIC) : Uo=25,9V; Io=92,6mA; 

  Po=598mW; Co=769nF (99nF); 

  Lo=8mH(2mH); Ci=1nF; Li=240nH

 Ignition protection typ ec 

Without intrinsically safe Inputs, Zone 2 installation 

Type : TV125MP-00, ST125MP-00

 Zone 2 : II 3G Ex ec IIB T4 Gc

 External power / auxiliary voltage

 Wide-range power supply : 20...125 V DC / 85...253 V AC 

  (47...63Hz)

 Power-Rail-supply : 24 V DC +/- 15 %

 Power consumption

 Wide-range power supply : < 4 VA   

Power-Rail-supply : < 2 W

 CE Conformity

 Low-voltage : 2014/35/EU

 EMC : 2014/30/EU

 ATEX : 2014/34/EU

 

Rated voltage : 300 V AC/DC

  with overvoltage category 2 and 

  degree of contamination 2 

  between all circuits. Safe 

  separation with amplified isolation

 Ex-operation : 253 V AC, 125 V DC

 Test voltage : 3kV AC Input/Output/Power supply

 Ambient conditions

 Working temperature : -10...60°C 

Storage temperature : -20...80°C 

Relatvice air humidity : 10...90% (no condensation) 

Input 

Voltage input : 0...10V or 2...10 V switchable, 

  Ri = 30 kΩ.overload max. 26 V DC

 Current input   : 0...20 mA or 4...20 mA switchable; 

  Ri = 51 Ω, 113mA

 Measuring span : adjustable ± 2 %

 Zero point : adjustable ± 2 %