Product details
Overview
The MTL4541 from MTL Instruments is a repeated power supply designed for precise signal transfer in hazardous environments. It is capable of supporting 16-channel analog I/O (4-20mA) signals, making it a versatile solution for industrial applications involving 2- or 3-wire transmitters and HART® communication.
Technical Specifications
Hazardous-Area Input
- Signal range: 0 to 24mA (including over-range)
- Transmitter voltage: 16.5V at 20mA
Safe-Area Output
- Signal range: 4 to 20mA
- Under/over-range: 0 to 24mA
- Load resistance (MTLx541):
- At 24mA: 0–360Ω
- At 20mA: 0–450Ω
- Load resistance (MTLx541S): Current sink, 600Ω max.
- Voltage source: 24V DC max.
Performance Characteristics
- Accuracy: Better than ±15μA at 20°C
- Temperature drift: < 0.8μA/°C
- Response time: Settles to within 10% of final value within 50μs
- Ripple: < 50μA peak-to-peak
Power Requirements
- Max current consumption: 51mA at 24V
- Power dissipation (MTLx541): 0.7W @ 24V DC
- Power dissipation (MTLx541S): 1.0W @ 24V DC
Safety Description
- Terminals 2 to 1 and 3: Uo=28V, Io=93mA, Po=651mW, Um=253V RMS or DC
- Simple apparatus: Can integrate into IS loops with open-circuit voltage <28V without additional certification.
Frequently Asked Questions (FAQ)
- What is the primary application of the MTL4541?
- It is widely used for powering transmitters in hazardous environments, ensuring signal reliability.
- Can this module support HART® communication?
- Yes, HART® communication is supported on terminals 1 & 2.
- What is the maximum load resistance for safe-area output?
- For the MTLx541, it ranges up to 450Ω at 20mA, while the MTLx541S supports up to 600Ω.
- Is it suitable for use in Zone 0 hazardous locations?
- Yes, it is certified for Zone 0, IIC, T4–T6 environments.
- What LED indicators are present on the module?
- A green LED indicates power status.
Check official datasheet for more detailed information: MTL 4541
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