MTL4549 Isolating Driver MTL Instruments Two Channel For 4–20mA HART® Valve Positioners

MTL4549 Isolating Driver

The MTLx549 accepts 4/20mA floating signals from safe-area controllers
to drive 2 current/pressure converters (or any other load up to 800Ω) 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 or short circuits
in the field wiring: if these occur, the current taken into the terminals
drops to a preset level.

SPECIFICATION
See also common specification
• Number of channels
     Two
• 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
     800Ω (16V at 20mA)
• Minimum load resistance
     90Ω (short-circuit detection at < 50Ω)
• Output resistance
     > 1MΩ
• Under/over range capability
     Under range = 1mA
     Over range = 24mA (load ≤ 520Ω)
• Input and output circuit ripple
     <40µA peak-to-peak
• Communications supported
     HART
• Transfer accuracy at 20°C
     Better than 20µA
• Temperature drift
     < 1.0µA/°C
• Input characteristics
     Normal :< 6.0V
     Open-circuit: < 0.9mA
     Short-circuit :< 0.9mA
• Response time
     Settles within 200µA of final value within 100ms
• LED indicator
     Green: power indication
• Maximum current consumption (with 20mA signals into 250Ω load)
     70mA at 24V dc
• Power dissipation within unit (with 20mA signals into 250Ω load)
     1.6W at 24V
• Safety description (each channel)
     U_o=28V I_o=93mA P_o=0.65W U_m = 253V rms or dc

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Company Introduction:
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, Endress+Hauser, YOKOGAWA,MTL,Allen-Bradley, Pepperl+Fuchs,Rosemount, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, Honeywell, Siemens and etc. If you have any request, please do not hesitate to contact us.

FAQ of Achievers
Q:Are the Products Genuine OEM Units?
A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.
Q:How will you arrange shipment?
A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.
Q:What is the warranty of goods?
A: One-year Warranty.