Switch input, relay output isolated safety barrier

Classification:

Switching input

DRG series

The switch input isolation safety barrier accepts contact/proximity switch inputs from the hazardous area side, and transmits them to the safe area output through the safety barrier isolation. It has the function of relay output normally open/normally closed conversion setting.

Number of channels:

Input:

Output:

Power supply mode:

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General
Number of channels	4inputs/4outputs
On site sensor side supply voltage	About 8V (when open circuit)
Response time	20ms
Insulation strength	1500VAC/min between intrinsically safe/non intrinsically safe terminals, 1000VAC/min between non intrinsically safe terminals
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,[Ex ia Da]IIC
Weight	About 150-200g
Connected field equipment	Compliant with DIN19234 and NAMUR proximity switches, switches, and other on-site equipment
Applicable locations	Zone 0, Zone 1, Zone 2, IIA, IIB, IIC hazardous areas
Signal input characteristics	When the on-site input current is greater than 2.1mA, it indicates ON
Signal input characteristics	When the on-site input current is greater than 1.2mA, it indicates OFF
Switch setting function	When in the ON state, the input and output are reversed, and there is a line fault detection function
Switch setting function	When in the OFF state, the input and output terminals are in the same direction, without line fault detection function
Relay	Response time 20ms
Output characteristics	Driving capacity 250VAC/2A, 30VDC/2A
Input data
Input signal	Switch
Output data
Output signal	Relay
Power supply
Supply voltage(Ue)	20~35V DC
Power protection	Reverse protection of power supply
Power consumption	2.5W
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	18.3mm
Independent power supply
Depth	110mm
Height	108mm
Width	18.3mm
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	-20ºC~+60ºC
Storage temperature	-40ºC~+80ºC
Relative humidity	35%~80%
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