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MTL4546S isolating driver for 4–20mA HART® valve positioners original from UK

MTL4546S isolating driver for 4–20mA HART® valve positioners original from UK

MTL4546S isolating driver for 4–20mA HART® valve positioners original from UK

Product Details:

Place of Origin: UK
Brand Name: MTL
Certification: CE
Model Number: MTL4546S

Payment & Shipping Terms:

Minimum Order Quantity: 5 pcs
Price: according to the purchase quantity
Packaging Details: carton
Delivery Time: approx. 4 weeks
Payment Terms: T/T payment
Supply Ability: 100pcs
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Detailed Product Description

MTL4546S isolating driver for 4–20mA HART® valve positioners with line fault detection and long field lines

MTL4546S accepts a 4/20mA floating signal from a safe-area controller to drive a current/pressure converter (or any other load up to 710Ω) in a hazardous area. For HART valve positioners, the module also permits bi-directional transmission of digital communication signals. Process controllers with a readback facility can detect open circuits in the field wiring: if these occur, the current taken into the terminals drops to a preset level. The reduced maximum open-circuit voltage permits the use of longer field lines compared to MTL4546

SPECIFICATION FOR MTL4546S

See also common specification

Number of channels

One

Location of I/P converter

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

Div. 1, Group A, hazardous location

Working range

4 to 20mA

Digital signal bandwidth

500Hz to 10kHz

Maximum load resistance

710Ω (14.2V at 20mA)

Minimum load resistance

90Ω

Output resistance

> 1MΩ

Under/over range capability

Under range = 1mA

Over range = 24mA (load ≤ 520Ω)

Input and output circuit ripple

< 40µA peak-to-peak

Transfer accuracy at 20°C

Better than 20µA

Temperature drift

< 1.0µA/°C

Input characteristics

Field wiring state

Normal < 6.0V

Open-circuit < 0.9mA

Short-circuit N.A.

Response time

Settles within 200µA of final value within 100ms

Communications supported

HART

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