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Home ProductsMTL4500 Series Safety Barriers

MTL4517 Switch/ Proximity Detector Interface 2-Channel, Line Fault Detection, Phase Revers

MTL4517 Switch/ Proximity Detector Interface 2-Channel, Line Fault Detection, Phase Revers

MTL4517 Switch/ Proximity Detector Interface 2-Channel, Line Fault Detection, Phase Revers

Product Details:

Place of Origin: UK
Brand Name: MTL
Certification: CE
Model Number: MTL4517

Payment & Shipping Terms:

Minimum Order Quantity: 10 Pcs
Price: according to the purchase quantity
Packaging Details: carton
Delivery Time: approx. 4 weeks
Payment Terms: T/T payment
Supply Ability: 300 pcs
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Detailed Product Description

MTL4517 Switch/ Proximity Detector Interface 2-Channel, Line Fault Detection, Phase Reversal

MTL4517 enables two safe-area loads to be controlled, through a relay, by proximity detectors or switches located in a

hazardous area.

Line faults are signalled through a separate relay and indicated on the top of the module. Switches are provided to select

phase reversal and to enable the line fault detection.

MTL4517 SPECIFICATION

See also common specification

Number of channels

Two

Location of switch

Zone 0, IIC, T6 hazardous area

Div.1, Group A, hazardous location

Location of proximity detector

Zone 0, IIC, T4–6 hazardous area, if suitably certified

Div.1, Group A, hazardous location

Hazardous-area inputs

Inputs conforming to BS EN60947–5–6:2001 standards for

proximity detectors (NAMUR)

Voltage applied to sensor

7 to 9V dc from 1kΩ ±10%

Input/output characteristics

Normal phase

Outputs closed if input > 2.1mA (< 2kΩ in input circuit)

Outputs open if input < 1.2mA (> 10kΩ in input circuit)

Hysteresis: 200µA (650Ω) nominal

Line fault detection (LFD) (when selected)

User selectable by switches on the side of the module. 

Line faults are indicated by the LED for each channel.

Line fault relay is energised and channel output relay deenergised if input line-fault detected

Open-circuit alarm on if Iin < 50µA

Open-circuit alarm off if Iin > 250µA

Short-circuit alarm on if Rin < 100Ω

Short-circuit alarm off if Rin > 360Ω

Note: Resistors must be fitted when using the LFD facility with a contact input

500Ω to 1kΩ in series with switch

20kΩ to 25kΩ in parallel with switch

Safe-area output

Channel: Two single-pole relays with normally open contacts

LFD: Single pole relay with changeover contacts

Note: reactive loads must be adequately suppressed


Functional Safety Management (FSM)

Many MTL products are certified as safe for use in hazardous areas; that is places where explosive material may be present. The products are designed and certified to show that they are incapable of igniting the gas or dust and causing fire or explosion.

Another type of safety is called Functional Safety, which applies when products are used in safety and protection systems, in which a failure may mean that a protective system will not operate as it should. MTL products have been used in safety systems for some time, but there are increasing requirements to demonstrate an adequate level of functional safety, especially after the Buncefield, Texas City and Deepwater Horizon accidents. More and more, customers are demanding that products they use in safety systems meet the requirements of the second edition of the IEC 61508 Functional Safety standard, and they require evidence to show that they do. This is to enable the use of our products within instrumentation loops that are designed to achieve a specific Safety Integrity Level (SIL).

When MTL designs a product in the expectation that it will be used in functional safety-related systems, both the design process and the product needs to comply with IEC 61508:2010.

MTL has chosen to obtain Functional Safety Management (FSM) certification for the company. FSM means that MTL has the necessary processes and competence to design products according to IEC 61508:2010. Certification means that a notified body is ensuring that our processes are correct and that we are working to them. Together, FSM Certification gives our customers confidence in the company and the use of our products for functional safety.


MTL4510 Switch/ Proximity Detector Interface 4-Channel, Digital Input From UK


Contact E-mail: info@mtl-instruments.com; mtl_inst@yeah.net 

Contact Person: Mr. Steven

Contact Details
ASIA SCIENCE&TECHNOLOGY COMPANY LIMITED

Contact Person: Ms. Steven

Tel: 86-21-58111208

Fax: 86-21-58111208

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