Intrinsic Isolated Barrier

Intrinsic safety barriers and isolatorsuse intrinsically safe explosion-proof and functional safety technologies and adopts various measures such as rapid cut-off, isolation, and energy limiting to ensure that the energy transmitted to the field equipment in the hazardous area is intrinsically safe, thereby preventing dangerous energy from entering the danger zone and causing an explosion.

An isolated barrier, such as the digital input barrier, is a key interface unit in the intrinsically safe explosion-proof control system. The intrinsically safe barrier or the intrinsic safety barrier with quite affordable price made by CHENZHU, one of the top intrinsic safety barrier manufacturersin China, is made under a strict production process and tested by a series of quality assurance systems.

IS Barrier Types

GS8500-EX Series Intrinsic Safety Barrier

GS8500-EX range functional safety isolated barriers are CHENZHU's hit products, which obtained the first IECEx、ATEX、DE TUV SIL、JP TIIS certifications in domestic China, offering the widest selection of products for protection of electrical signals, meets the intrinsic safety standards for both explosive gas and dust environment, widely used in control system of petroleum and petrochemical, railways, coal mines and other industries.

GS5000-EX Series Intrinsic Safety Barrier

GS5000-EX range classic intrinsic galvanic isolation barrierapply precision electrical signal detection and galvanic isolation transmission technology, combined with reliable immunity and intrinsic safe circuit design, to achieve stable and reliable transmission of intrinsically safe explosion-proof circuit signals.

GS8200-EX Series Intrinsic Safety Barrier

GS8200-EX range isolated barriers are Chenzhu's featured products. The isolated barriers can measure and transmit analog (4~20mA) signals or temperature sensor signals. The isolated barrier could monitor whether the input signal is abnormal and output in the way of relay contact.

LBGS8000-EX Series Surge Protective Intrinsic Safety Barrier

LBGS8000-EX range surge protective isolated barriers are Chenzhu's unique products, which include digital input, digital output, analog converters, analog input, analog output, temperature converters, and communication input.

GS4000-EX Series Backplane Intrinsic Safety Barrier

GS4000-EX range of backplane mounting intrinsic safety barrier provides an innovative solution for protecting electrical signal. The intrinsically safe barrier connected to the socket on the bottom plate through the plug at the bottom of the isolation barrier, and then connected to the I/O card through the customized socket and prefabricated cable on the bottom plate.

What is Difference Between Intrinsic Isolated Barrier and Isolator?

Isolator

The isolator is used to adjust, isolate and transform all kinds of field instrument signals into the normal signals or special signals specified by users which can be accepted by the computer, DCS, PLS, etc. It is also used to isolate control equipment and operational equipment from electronics, like a relay.

Intrinsic isolated barrier

The isolated barriers in our safety automation system for sale are associated equipments of explosion-proof instruments that will not affect the function of the measurement system in a normal situation. The isolated barrier is placed on one side of the security site, when the explosion-proof system fails, the intrinsic barrier can limit the energy(electric energy) which can enter the dangerous site to safe values to ensure the safety of the scene.

Difference

3. Main difference: Explosion proof or not.

What is Safety Level of Intrinsically Safe Electrical Equipment?

IA

IA means that the explosive gas mixture cannot be ignited under normal operation, one counting failure, and two counting failures. IA-level intrinsically safe electrical equipment can be used in hazardous locations in Zone 0, Zone 1, and Zone 2.

IB

IB means that explosive gas mixtures cannot be ignited under normal operation and a counting failure. IB's intrinsically safe electrical equipment that can be used in hazardous locations in Zone 1 and Zone 2.

IC

IC means that explosive gas mixtures cannot be ignited under normal operation. IC-level intrinsically safe electrical equipment can be used in zone 2 hazardous locations.

FAQ of Intrinsic Isolated Barrier

What is intrinsic isolated barrier?-

Intrinsically safe electrical equipment is designed tolimit the dangerous energy of the safe place into the dangerous place, that limit the voltage and current sent to the hazardous place—only stops dangerous levels of voltage and current, not stop signals or communication getting through.

Compare to the Nomar isolated barrier, the intrinsic isolated barrier is more advantageous.

As one of the intrinsic safety barrier manufacturers, Chenzhu has developed mature safety and automation system and can provide intrinsic isolated barriers with high reliability, high EMC performance and high safety.

What are the precautions for the use of isolated barriers?-

3. Isolated barrier is not possible to link non-IS instruments form an IS system.

SHANGHAI CHENZHU INSTRUMENT CO., LTD. is a very established provider that specialises in automation safety. We provide safety automation system, analog isolator, network surge protection deviceetc. Want to knowintrinsically safe barrier priceor more? Contact us.

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