Specification :

Intrinsic Safety Barrier
Single-channel or dual-output or two-channel
4-20mA or 1-5V or thermocouple or RTD or Switch or Resistance or Frequency input, Hart, Alarm Driver
DC signal one-channel Input, one-channel isolating output
DC signal source used to connect various site intrinsic safety equipments
Introduction Main Technical Specifications
DC signal converter safety barrier
DC signal converter safety barrier input DC signal from the hazardous
Areas, and outputs DC current or voltage signal to control system or other
Instruments in safe-area after isolation and interference suppression.
The safety barrier adopts independent DC power supply,
Power supply-input-output isolated.
Power supply
Power voltage: 20~ 30VDC
Power indicator: Power LED lights on: Green
Current consumption
( when 24VDC is supplying) : < 25mA ( single-channel)
< 40mA ( single-channel, dual-output)
< 50mA ( dual-channel, dual-output)
Input form hazardous-area
Input current: 4~ 20mA; 0~ 20mA; 0~ 10mA; Other specified current
Input voltage: 1~ 5V; 0~ 5V; 0~ 10V; Other specified voltage
Input impedance: Current input 50& Omega; ; Voltage input ³ 500K& Omega;
Output to safe-area
Output current: 4~ 20mA; 0~ 20mA; 0~ 10mA; Other specified current
Output voltage: 1~ 5V; 0~ 5V; 0~ 10V; Other specified voltage
Allowed output load: 0~ 550& Omega; ( Power ³ 22VDC at full load of 550& Omega; )
Voltage output impedance: 500& Omega;
Output ripple: < 10MVP-p
General technical parameters
Transmission error: ± 0.1%
Temperature drift: ± 0.015% / ° C
Startup response time: < 1s ( 10~ 90% )
Power change error: ± 0.1% ( allowed voltage scope 20~ 30VDC)
Dielectric strength: Input-output-power 2.5KV, 1min, 50Hz
Insulation resistance: Input-output-power ³ 100M& Omega; / 500VDC
Operating temperature: -20~ + 60° C
Dimension: Width × Height × Length= 16× 116× 110( mm)
Safe explosion-proof parameters
Explosion-proof grade mark: [ Exia] IIC
Safety parameters: Um = 250V Uo = 10.5V Io = 6mA
Po = 15.8mW Lo = 10 mH Co = 1.6mF
Which Widely used in:
Oil, Gas, Chemical, Petrochemical, Semiconductor, Metallurgy, Machinery, Cement, Iron & Steel, Textile, Tyre, Plastic, Glass, Pulp & paper, medicine, food ( sugar, beverage) factory
Intrinsic Safety Barrier Intrinsic Safety Barrier Alarm Driver.