BASIC INFO
MTL5546Y Isolating Driver for 4 20mA HART Valve Positioners with Line Fault Detection
The MTLx546 accepts a 4/20mA floating signal from a safe-area controller to drive a current/pressure converter (or any other load up to 800 ) 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. The MTL4546C and the MTLx546Y are very similar to the MTLx546 except that they provide open circuit detection only (i.e. no short-circuit detection).
Shipping weight: 1 kg
Analogue output modules
The analogue output (AO) modules accept 4/20mA floating signals from safe-area controllers to drive current/pressure converters (or any other load up to 800Ω) in a hazardous area.
MTL5546Y Isolating Driver for 4 20mA HART 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) in a hazardous area. For HART 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.
The MTL5546Y is very similar to the MTL5546 except that it provides open circuit detection only i.e. no short-circuit detection).
Part Number & Description of MTL5546Y Isolating Driver for 4 20mA HART Valve Positioners with Line Fault Detection
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
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
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
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 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
MTL4533 2ch vibration probe interface
Fire and Smoke
MTL4561 2ch loop-powered, for fire and smoke detectors
General
MTL4599 Dummy isolator
MTL4599N General purpose feed-through module
MTL5546Y Isolating Driver for 4 20mA HART Valve Positioners with Line Fault Detection
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