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DRG-1900 Strain bridge isolated safety grid

Picture Name

Classification:

DRG series

This safety grid provides 10VDC excitation power to the strain bridge in the field, and transmits the millivolt signal generated by the bridge to the safety side in 1:1 isolation.

Number of channels:

1input/1output

Input:

Power distribution:

Output:

Power supply mode:

Power connection mode:

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General
Number of channels 1input/1output
Insulation strength 1500VAC/min between intrinsically safe/non intrinsically safe terminals, 1000VAC/min between non intrinsically safe terminals
Output accuracy 0.1% F.S.
Temperature drift 0.01%F.S/C
Insulation resistance Non intrinsic safety end - intrinsic safety end≥100MΩ, power supply - non intrinsic safety end≥100MΩ
Electromagnetic compatibility Compliant with IEC 61326-1 (GB/T 18268), IEC 61326-3-1
EX marking [Ex ia Ga]ⅡC
Weight About 150g
Connected field equipment Installed in a safe location and capable of communicating with Zone 0 frequency equipment with IIA, IIB, and IIC hazardous gases
Applicable locations Zone 0, Zone 1, Zone 2, IIA, IIB, IIC hazardous areas
Input data
Input signal range ﹣100mV～+100mV
Output data
Output signal range ﹣100mV～+100mV/mA～20mA
Power supply
Supply voltage(Ue) 20～35V DC
Power protection Reverse protection of power supply
Power consumption About 1.5W (output 20mA)
Power supply mode Independent power supply
Power connecting mode Terminal power supply；Base power supply
Overall dimension
Centralized power supply
Depth 120.8mm
Height 113mm
Width 13.3mm
Independent power supply
Depth 110mm
Height 108mm
Width 13.3mm
Housing
Material PC+ABSflame retardant
Degree of protection IP20
Flammability rating UL94/V0
Colour White+Grey
EMC data
Electrical fast transient/burst immunity Compliant with:IEC 61326-1;A-leve
Surge immunity Compliant with:IEC 61326-1;B-leve
Radiated,radio-frequency,electromagnetic field immunity Compliant with:IEC 61326-1;conform to basic requirements
Electrostatic discharge immunity Compliant with:IEC 61326-1;A-leve
Immunity to conducted disturbances, induced by radio-frequency fields Compliant with:IEC 61326-1;conform to basic requirements
Low frequency common mode conduction Compliant with:IEC 61326-1;conform to basic requirements
Operating conditions
Continuous operating temperature ﹣20℃～﹢60℃
Storage temperature ﹣40℃～＋80℃
Relative humidity 10%～90%
Environmental requirements There should be no strong vibrations, impacts, high currents, sparks or other electromagnetic induction effects in the surrounding environment. The air should not contain media that corrode chromium, nickel, and silver coatings, and should not contain flammable or explosive substances
Connection data
Conductor cross section solid range 0.5～2.5mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 12
Screw thread M3
Stripping length 8mm
Connection method Screw connection
Tightening torque min. 0.5 Nm
Tightening torque max. 0.6 Nm
Installation
Installation method DIN35mm
外形尺寸
底座集中供电型 端子供电型
安装方式
General
Number of channels 1input/1output
Insulation strength 1500VAC/min between intrinsically safe/non intrinsically safe terminals, 1000VAC/min between non intrinsically safe terminals
Output accuracy 0.1% F.S.
Temperature drift 0.01%F.S/C
Insulation resistance Non intrinsic safety end - intrinsic safety end≥100MΩ, power supply - non intrinsic safety end≥100MΩ
Electromagnetic compatibility Compliant with IEC 61326-1 (GB/T 18268), IEC 61326-3-1
EX marking [Ex ia Ga]ⅡC
Weight About 150g
Connected field equipment Installed in a safe location and capable of communicating with Zone 0 frequency equipment with IIA, IIB, and IIC hazardous gases
Applicable locations Zone 0, Zone 1, Zone 2, IIA, IIB, IIC hazardous areas
Input data
Input signal range ﹣100mV～+100mV
Output data
Output signal range ﹣100mV～+100mV/mA～20mA
Power supply
Supply voltage(Ue) 20～35V DC
Power protection Reverse protection of power supply
Power consumption About 1.5W (output 20mA)
Power supply mode Independent power supply
Power connecting mode Terminal power supply；Base power supply
Overall dimension
Centralized power supply
Depth 120.8mm
Height 113mm
Width 13.3mm
Independent power supply
Depth 110mm
Height 108mm
Width 13.3mm
Housing
Material PC+ABSflame retardant
Degree of protection IP20
Flammability rating UL94/V0
Colour White+Grey
EMC data
Electrical fast transient/burst immunity Compliant with:IEC 61326-1;A-leve
Surge immunity Compliant with:IEC 61326-1;B-leve
Radiated,radio-frequency,electromagnetic field immunity Compliant with:IEC 61326-1;conform to basic requirements
Electrostatic discharge immunity Compliant with:IEC 61326-1;A-leve
Immunity to conducted disturbances, induced by radio-frequency fields Compliant with:IEC 61326-1;conform to basic requirements
Low frequency common mode conduction Compliant with:IEC 61326-1;conform to basic requirements
Operating conditions
Continuous operating temperature ﹣20℃～﹢60℃
Storage temperature ﹣40℃～＋80℃
Relative humidity 10%～90%
Environmental requirements There should be no strong vibrations, impacts, high currents, sparks or other electromagnetic induction effects in the surrounding environment. The air should not contain media that corrode chromium, nickel, and silver coatings, and should not contain flammable or explosive substances
Connection data
Conductor cross section solid range 0.5～2.5mm²
Conductor cross section AWG min. 24
Conductor cross section AWG max. 12
Screw thread M3
Stripping length 8mm
Connection method Screw connection
Tightening torque min. 0.5 Nm
Tightening torque max. 0.6 Nm
Installation
Installation method DIN35mm
外形尺寸
底座集中供电型 端子供电型
安装方式