MTL5546 MTL Isolating Driver For 4–20mA HART® Valve Positioners With Line Fault Detection

MTL5546 MTL Instruments Isolating Driver

The MTL5546 accepts a 4/20mA floating signal from a safe-area
controller to drive a current/pressure converter (or any other load up
to 800Ω) in a hazardous area. For smart valve positioners, the module
also permits bi-directional transmission of digital communication
signals so that the device can be interrogated either from the operator
station or by a hand-held communicator. 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
     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
     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
• Transfer accuracy at 20°C
     Better than 20µA
• Temperature drift
     < 1.0µA/°C
• Input characteristics
     < 6.0V with the field wiring intact
     < 0.9mA with the field wiring open or short-circuit
• Response time
     Settles within 200µA of final value within 100ms
• Communications supported
     HART®
• LED indicator
     Green: power indication
• Maximum current consumption (with 20mA signals into 250Ω load)
     35mA at 24V dc
• Power dissipation within unit (with 20mA signals into 250Ω load)
     0.8W at 24V
• Safety description
     V_o=28V I_o=93mA P_o=651mW 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.
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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.