MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
Improving upon the widely adopted, enormously successful, "industry standard" MTL4000 range was a big challenge but the innovative MTL4500 range includes several new features for backplane mounting isolating interfaces. This new family easily integrates with the I/O equipment of all major instrumentation and DCS suppliers in the same secure manner as its predecessor.
- Rapid install-and-release mechanism
- Highest packing density on the market
- Single and multi-channel I/O modules
- 3-port isolation with low power dissipation
- Compatible with MTL4000
For non-IS applications, see the MTL4600 range.
Description of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 converts a low-level dc signal from a temperature sensor mounted in a hazardous area into a 4/20mA current for driving a safe-area load. Software selectable features include linearisation, ranging, monitoring, testing and tagging for all thermocouple types and 2-, 3- or 4-wire RTDs. (For thermocouple applications the HAZ-CJC plug on terminals 1–3 includes an integral CJC sensor). Configuration is carried out using a personal computer. A single alarm output is provided and may be configured for process alarm or to provide notice of early thermocouple failure.
SPECIFICATION of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
See also common specification
Number of channels
One
Signal source
THC types J, K, T, E, R, S, B or N to BS 60584 and XK
mV input
RTDs 2/3/4-wire platinum to BS 60751
Pt 100, Pt 500, Pt 1000
Cu-50 & Cu-53
Ni 100/500/1000 DIN 43760
Location of signal source of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
Zone 0, IIC, T4-6 hazardous area
Division 1, Group A, hazardous location
Input signal range
–75 to +75mV, or 0 to 400Ω (0 to 1000Ω Pt & Ni sensors)
Input signal span
3 to 150mV, or 10 to 400Ω (10 to 1000Ω Pt & Ni sensors)
RTD excitation current
200µA nominal
Cold junction compensation
Automatic or selectable
Cold junction compensation error
≤ 1.0°C
Common mode rejection
120dB for 240V at 50Hz or 60Hz (500ms response)
Series mode rejection
40dB for 50Hz or 60Hz
Calibration accuracy (at 20°c)
(includes hysteresis, non-linearity and repeatability)
Inputs: (500ms response)
mV/THC: ± 15µV or ± 0.05% of input value (whichever is greater)
RTD: ± 80mΩ
Output: ± 11µA
Temperature drift (typical)
Inputs:
mV/THC: ± 0.003% of input value/°C
RTD: ± 7mΩ/°C
Output: ± 0.6µA/°C
Example of calibration accuracy and temperature drift of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
(RTD input - 500ms response)
Span: 250Ω
Accuracy: ± (0.08/250 + 11/16000) x 100%
= 0.1% of span
Temperature drift: ± (0.007/250 x 16000 + 0.6) µA/°C
= ±1.0µA/°C
Safety drive on sensor failure
Upscale, downscale, or off
PRODUCT LITERATURE of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
| Product Code | Description |
|---|---|
 Symbol denotes that the equipment is suitable for use in hazardous area applications. Symbol denotes that the product has been assessed for functional safety applications. |
|
|
SM45-55-AI |
FSM Safety Manual - Analogue Input Modules |
|
SM45-55-AO |
FSM Safety Manual - Analogue Output Modules |
|
SM45-55-BI |
FSM Safety Manual - Binary Input Modules |
|
SM45-55-MMI |
FSM Safety Manual - Machine Monitor Interfaces |
|
SM45-55-SAD |
FSM Safety Manual - Solenoid / Alarm Driver Modules |
| 1. Intro of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
| INA4500 | MTL4500/4600 range Instructions for Safe Use |
| INM4500/4600 | MTL4500/4600 range Instruction Manual |
| MTL4500-5500-ACC | Backplanes, Enclosures & Accessories |
| MTL4500-5500-CS | Common Specifications |
| MTL4500-5500-DS | MTL4500-5500 range Data Set |
| 2. Digital Input of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD 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 |
|
MTL4514D |
1ch switch/prox input, dual output relay |
|
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 |
| 3. Digital Output of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
|
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 |
| 4. Analogue Input of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD 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 |
| 5. Analogue Output of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
|
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 |
| 6. Temperature Input of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
|
MTL4573 |
1ch Temperature converter, RTD / THC |
|
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 |
|
MTL4582B |
1ch resistance isolator to repeat RTD signals |
| 7. Pulse and Vibration of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
|
MTL4531 |
1ch vibration probe interface |
|
MTL4532 |
1ch pulse isolator, digital or analogue output |
| 8. Fire and Smoke of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
|
MTL4561 |
2ch loop-powered, for fire and smoke detectors |
| 9. General of MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input | |
| MTL4599 | Dummy isolator |
| MTL4599N | General purpose feed-through module |
MTL4500 Series Barriers MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4501-SR, MTL4504, MTL4510, MTL4510B, MTL4511, MTL4513, MTL4514 (B)(D), MTL4516, MTL4516C, MTL4517, MTL4521, MTL4521L, MTL4523, MTL4523L, MTL4523R, MTL4523V, MTL4523VL, MTL4524, MTL4524S, MTL4525, MTL4526, MTL4531, MTL4532, MTL4533, MTL4541, MTL4541A, MTL4541AS, MTL4541B, MTL4541P, MTL4541S, MTL4541T, MTL4544, MTL4544A, MTL4544AS, MTL4544B, MTL4544D, MTL4544S, MTL4546, MTL4546C, MTL4546S, MTL4546Y, MTL4549, MTL4549C, MTL4549Y, MTL4561, MTL4575, MTL4576-RTD, MTL4576-THC, MTL4581
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL5011B MTL5014 MTL5022 MTL5024 MTL5031 MTL5042 MTL5042 MTL5046 MTL5074 MTL5082
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
MTL4575 Safety Barriers MTL4575 temperature converter THC or RTD Input
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