Description
MTL4541B: Transmitter Interface with HART Support
The MTL4541B safely powers transmitters in hazardous areas and repeats signals to safe areas. It works with conventional 2-wire, 3-wire, and HART transmitters. This reliable unit provides excellent signal accuracy and digital communication capabilities.
Technical Specifications
Brand: MTL
Model: 4541B
Input Signal: 0-24mA (including over-range)
Output Signal: 4-20mA (0-24mA over-range)
Transmitter Voltage: 16.5V at 20mA
Load Resistance: 0-360Ω @24mA, 0-450Ω @20mA
Output Resistance: >1MΩ
Accuracy: Better than 15μA at 20°C
Temperature Drift: <0.8μA/°C
Response Time: 50μs to within 10%
Ripple: <50μA peak-to-peak
Communication: HART protocol (terminals 1-2)
Power Consumption: 51mA at 24V
Power Dissipation: 0.7W at 24V
Hazardous Rating: Zone 0, IIC, T4-T6 / Div 1, Group A
Safety Parameters: Vo=28V, Io=93mA, Po=651mW
LED Indicator: Green power light
Operating Temperature: -20°C to +60°C
Storage Temperature: -40°C to +85°C
Termination: Screw terminals
Mounting: DIN rail compatible
Isolation: Um=253V between areas
Humidity Range: 0-95% non-condensing
Package Contents
1 x MTL4541B transmitter interface unit. Fast shipping via FedEx, UPS, or DHL.
Warranty Protection
12-month warranty against defects. Quality guaranteed.
Frequently Asked Questions
- What types of transmitters does it support?
It works with conventional 2-wire, 3-wire, and HART smart transmitters. - Does it support HART communication?
Yes, it supports bi-directional HART communication through terminals 1-2. - What is the maximum load resistance?
0-360Ω at 24mA or 0-450Ω at 20mA, depending on current level. - How fast is the response time?
Very fast – settles within 50 microseconds to within 10% of final value. - Can it handle signals above 20mA?
Yes, it supports over-range signals up to 24mA for both input and output.
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