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MTL's latest generation of IS interfaces utilises an innovative "One-Core" technology to ensure the highest
quality and availability while maintaining maximum flexibility at
lowest cost. Incorporating advanced circuit design, a common set of
components and innovative isolating transformer construction, they
achieve a significant reduction in power consumption while
increasing channel packing densities. The compact, 16mm wide design
reduces weight and gives exceptionally high packing density. They
build on the proven success of the MTL2000, 3000, 4000 and 5000
Series to bring the benefits of new developments in galvanic
isolation without compromising the reliability of the designs from
which they have evolved.
The backplane mounting MTL4500 Series is designed with system vendors in mind for "project-focussed"
applications such as Distributed Control System (DCS), Emergency
Shutdown Systems (ESD) and Fire and Gas monitoring (F&G).
The reduced power consumption and high efficiency enable high signal density to be achieved together with improved
freedom in cabinet layout and design. Easy integration MTL4500/MTL5500 Series Intrinsic safety (IS) isolators for hazardous area
interfacing with the input/output assemblies of control or safety
instrumentation systems not only simplifies project engineering but
also reduces installation and maintenance costs.
A multiway connector to the backplane provides safe-area and power supply connections,
while hazardous-area connections plug into the front of the module,
simplifing installation and maintenance and reducing time, cost,
and the risk of errors.
The DIN-rail mounting MTL5500 Series meets the needs of the IS interface market for "application
focussed" projects, ranging from single instrument loops, through
to fully equipped cabinets, across all industries where hazardous
areas exist.
The MTL5500 clips quicklyonto DIN rail, so it is compatible with the industry-standard
mounting system. Wiring is simplified by plugin safe- and
hazardous-area connectors, and a power plug which accepts a power
bus; it all leads to quicker insertion, fewer wiring errors and
trouble-free, tidier installations.
Line fault detection (LFD) facilities are provided across the range of I/O functions; on the
switch/proximity detectors, the MTL4523/5523 solenoid/alarm drivers
and the isolating drivers. Analogue input units such as the
MTL4541/5541 provide line fault detection by repeating o/c or s/c
currents to the safearea control system.
Status LEDs, configuration switches and ports are located on the top or side of individual modules, as
appropriate, for easy access.
Both new series have been designed for compatiblity with earlier
models. The MTL4500 series provides plug-replacements for earlier MTL4000
series units, while the MTL5500 models can easily replace MTL5000
series units. Each offer the latest in modern technology and
efficiency without compromise.
In addition to their use in IS circuits, specific models within the
MTL4500 and MTL5500 series have been assessed and approved for use
in Functional Safety applications.These have been verified under the certified Functional Safety
Management (FSM) programme implemented by MTL.
MTL4500 series
Part Number | Description |
Digital Input | |
MTL4501-SR | 1ch DI failsafe solid-state output + LFD alarm |
MTL4504 | 1ch DI relay output + LFD alarm + phase reversal |
MTL4510 | 4ch DI solid-state output |
MTL4510B | 4ch DI multifunction solid-state output |
MTL4511 | 1ch DI relay output |
MTL4513 | 2ch DI solid-state output |
MTL4514/B | 1ch DI relay output + LFD alarm |
MTL4514D | 1ch switch/prox input, dual output relay |
MTL4516 | 2ch DI relay output |
MTL4516C | 2ch DI with changeover relay output |
MTL4517 | 2ch DI relay output + LFD alarm |
Digital Output | |
MTL4521 | Loop powered solenoid driver |
MTL4521L | Loop powered solenoid driver IIC |
MTL4523 | Solenoid driver with LFD |
MTL4523L | Loop powered solenoid driver + LFD |
MTL4523R | Solenoid driver with LFD |
MTL4523V - VL | Solenoid/Alarm driver with voltage control |
MTL4524 | Switch operated solenoid driver |
MTL4524S | Switch operated solenoid driver, 24V override |
MTL4525 | Switch operated solenoid driver low power |
MTL4526 | 2ch switch operated relay |
Analogue Input | |
MTL4541 | 1ch 2/3 wire Transmitter repeater |
MTL4541A | 1ch Transmitter repeater, passive input |
MTL4541AS | 1ch Transmitter repeater, passive input, current sink |
MTL4541B | MTL4041B replacement |
MTL4541P | MTL4041P replacement |
MTL4541S | 1ch 2/3 wire Transmitter repeater, current sink |
MTL4541T | 2/3 wire Transmitter repeater |
MTL4544 | 2ch 2/3 wire Transmitter repeater |
MTL4544A | 2ch Transmitter repeater, passive input |
MTL4544AS | 2ch Transmitter repeater, passive input, current sink |
MTL4544B | MTL4044 replacement |
MTL4544D | 2/3 wire transmitter repeater, dual output |
MTL4544S | 2ch 2/3 transmitter repeater, current sink |
Analogue Output | |
MTL4546 | 1ch 4-20mA smart isolating driver + LFD |
MTL4546C | 1ch 4-20mA smart isolating driver + oc LFD |
MTL4546S | 1ch 4-20mA HART isolating driver + LFD |
MTL4546Y | 1ch 4-20mA smart isolating driver + oc LFD |
MTL4549 | 2ch 4-20mA smart isolating driver + LFD |
MTL4549C | 2ch 4-20mA smart isolating driver + oc LFD |
MTL4549Y | 2ch 4-20mA smart isolating driver + oc LFD |
Temperature Input | |
MTL4575 | 1ch Temperature converter, RTD / THC with alarm |
MTL4576-RTD | 2ch Temperature converter, RTD |
MTL4576-THC | 2ch Temperature converter, THC |
MTL4581 | 1ch mV/THC isolator for low-level signals |
Pulse and Vibration | |
MTL4531 | 1ch vibration probe interface |
MTL4532 | 1ch pulse isolator, digital or analogue output |
Fire and Smoke | |
MTL4561 | 2ch loop-powered, for fire and smoke detectors |
General | |
MTL4599 | Dummy isolator |
MTL4599N | General purpose feed-through module |
MTL5500 series
Part Number | Description |
Digital Input | |
MTL5501-SR | 1ch DI failsafe solid-state output + LFD alarm |
MTL5510 | 4ch DI solid-state ouput Datasheet |
MTL5510B | 4ch DI multifunction solid-state output |
MTL5511 | 1ch DI relay output |
MTL5513 | 2ch DI solid-state output |
MTL5514 | 1ch DI relay output + LFD alarm |
MTL5514D | 1ch switch/prox input, dual output relay |
MTL5516C | 2ch DI with changeover relay output |
MTL5517 | 2ch DI relay output + LFD alarm |
Digital Output | |
MTL5521 | Loop powered solenoid driver, IIC |
MTL5522 | Loop powered solenoid driver, IIB |
MTL5523 | Solenoid driver with LFD |
MTL5523V - VL | Solenoid/Alarm driver with voltage control |
MTL5524 | Switch operated solenoid driver |
MTL5525 | Loop powered solenoid driver low power |
MTL5526 | 2ch switch operated relay |
Analogue Input | |
MTL5541 | 1ch 2/3 wire Transmitter repeater |
MTL5541A | 1ch Transmitter repeater, passive input |
MTL5541AS | 1ch Transmitter repeater, passive input, current sink |
MTL5541S | 1ch 2/3 wire Transmitter repeater, current sink |
MTL5544 | 2ch 2/3 wire Transmitter repeater |
MTL5544A | 2ch Transmitter repeater, passive input |
MTL5544AS | 2ch Transmitter repeater, passive input, current sink |
MTL5544D | 1ch 2/3 wire Transmitter repeater, dual output |
MTL5544S | 2ch 2/3 wire Transmitter repeater, current sink |
Analogue Output | |
MTL5546 | 1ch 4-20mA smart isolating driver + LFD |
MTL5546Y | 1ch 4-20mA smart isolating driver + oc LFD |
MTL5549 | 2ch 4-20mA smart isolating driver + LFD |
MTL5549Y | 2ch 4-20mA smart isolating driver + oc LFD |
Temperature Input | |
MTL5575 | 1ch Temperature converter, RTD / THC with alarm |
MTL5576-RTD | 2ch Temperature converter, RTD |
MTL5576-THC | 2ch Temperature converter, THC |
MTL5581 | 1ch mV/THC isolator for low-level signals |
MTL5582 | 1ch resistance isolator |
Pulse and Vibration | |
MTL5531 | 1ch vibration probe interface |
MTL5532 | 1ch pulse isolator, digital or analogue output |
MTL5533 | 2ch vibration probe interface |
Fire and Smoke | |
MTL5561 | 2ch loop-powered, for fire and smoke detectors |
General | |
MPA5500 | 85 - 265V ac power adaptor |
MTL5599 | Dummy isolator |
MTL5991 | 24V dc power supply |