MTL5575 MTL Industries Temperature Converter

MTL5575 MTL Instruments Temperature Converter

The MTL5575 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
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
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
(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
• Early burnout
Early burnout detection for thermocouples (when selected)
Alarm trips when loop resistance increase is > 50Ω
• Output range
4 to 20mA nominal into 600Ω max.
• Alarm output (configurable)
Relay ON in alarm, 250mA @ 35V max
• Maximum lead resistance (THC)
600Ω
• Response time
Configurable - 500 ms default(Accuracy at 100/200ms - contact MTL)
• LED indicator
Green: power and status indication
Yellow: alarm indication, on when contacts are closed
• Maximum current consumption (with 20mA signal)
50mA at 24V
• Power dissipation within unit (with 20mA signal)
1.2W at 24V
• Safety description
Refer to certificate for parameters. Um=253V rms or dc
• Configurator
A personal computer running MTL PCS45 software with a
PCL45USB serial interface

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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.

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