MTL5546 MTL SURGE TECHNOLOGIES, MTL5546 Datasheet
MTL5546
Manufacturer Part Number
MTL5546
Description
ISOLATED BARRIER, AN O/P
Manufacturer
MTL SURGE TECHNOLOGIES
Datasheet
1.MTL5546.pdf
(2 pages)
Specifications of MTL5546
Input Type
4 - 20mA
Output Type
Current / Pressure Converter
Approval Bodies
ATEX
External Depth
123.6mm
External Length / Height
109.8mm
External Width
15.8mm
Isolation Input
Isolated
Mounting
RoHS Compliant
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
NA
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
Location of I/P converter
Working range
Digital signal bandwidth
Maximum load resistance
Minimum load resistance
Output resistance
Under/over range capability
Input and output circuit ripple
Transfer accuracy at 20°C
Temperature drift
Input characteristics
Response time
Communications supported
LED indicator
Maximum current consumption (with 20mA signals into 250Ω load)
Power dissipation within unit (with 20mA signals into 250Ω load)
Safety description
MTL5546
ISOLATING DRIVER
for 4–20mA smart valve positioners
with line fault detection
One
Zone 0, IIC, T4–6 hazardous area if suitably certified
Div. 1, Group A, hazardous location
4 to 20mA
500Hz to 10kHz
800Ω (16V at 20mA)
90Ω (short-circuit detection at < 50Ω)
> 1MΩ
Under range = 1mA
Over range = 24mA (load ≤ 520Ω)
< 40µA peak-to-peak
Better than 20µA
< 1.0µA/°C
< 6.0V with the field wiring intact
< 0.9mA with the field wiring open or short-circuit
Settles within 200µA of final value within 100ms
HART®
Green: power indication
35mA at 24V dc
0.8W at 24V
V
o
=28V I
o
EUROPE (EMEA)
AMERICAS
ASIA PACIFIC
E-mail: enquiry@mtl-inst.com
=93mA P
o
=651mW U
Tel: +44 (0)1582 723633
Tel: +1 281 571 8065
Tel: +65 6 487 7887
Web site: www.mtl-inst.com
m
= 253V rms or dc
Fax: +44 (0)1582 422283
Fax: +1 281 571 8069
Fax: +65 6 487 7997
The given data is only intended as a product description and should not be re-
garded as a legal warranty of properties or guarantee. In the interest of further
technical developments, we reserve the right to make design changes.
Hazardous area
Terminal
11
12
13
14
1
2
Function
Output –ve
Output +ve
Input –ve
Input +ve
Supply –ve
Supply +ve
Safe area
EPS5546-2
Jan 2009
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MTL5546 Summary of contents
Page 1
... ISOLATING DRIVER for 4–20mA smart valve positioners with line fault detection 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 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 hand-held communicator ...
Page 2
MTL5500 SERIES COMMON SPECIFICATION Please go to our website at www.mtl-inst.com for the latest information regarding safety approvals, certificates and entity parameters. Connectors Each MTL5500 unit is supplied with signal connectors, as applicable. When using crimp ferrules for the hazardous ...