MTL5532 | MTL Pulse Isolator Supplier

Introduction:
The MTL5532 pulse isolator from MTL delivers reliable signal conditioning for hazardous locations with 1 fully floating channel.
Customer Reviews
UBEST Automation – Trusted Global Automation Parts Supplier
We offer a wide range of in-stock industrial automation spare parts. All products come with a 12-month warranty and a 30-day refund for quality issues.
Product Attributes:
Notice: For real-time prices and inventory, please click the button below to contact us.
Introduction to the MTL5532 Pulse Isolator
When hazardous location applications demand precise pulse and vibration signal isolation, the MTL5532 from MTL provides a robust solution. This pulse isolator is part of the Eaton Crouse-Hinds series MTL5500 family, engineered for Zone 0 classified areas. With a single fully floating channel, it handles pulse and 4/20mA current outputs while maintaining galvanic isolation of 250V rms between safe-area circuits and the power supply.

Key Features and Technical Specs
- Power dissipation: 1.75W maximum at 35V and 1.35W maximum at 24V.
- Response time: 60ms for reliable signal processing.
- Transfer accuracy: better than 20µA ensures precise output.
- Temperature drift: less than 1.0µA/°C maintains stability across environments.
- Switching frequency: 0-10 kHz for analogue output and 0-50 kHz for pulse output mode.
- Hysteresis: 0.2mA (650Ω) for clean switching thresholds.
A standout spec is the 0.2mA hysteresis, which prevents output chatter in noisy industrial environments, reducing false triggers and improving system reliability.
Applications and Use Cases
The MTL5532 excels in hazardous locations requiring pulse counting, flow metering, and vibration monitoring. Its 4-20mA output integrates seamlessly with distributed control systems (DCS) and programmable logic controllers (PLC). For example, in oil and gas refineries, the isolator ensures safe signal transmission from sensors in Zone 0 areas to safe-area control rooms. Additionally, its 0-50 kHz pulse output mode supports high-speed counting applications like turbine flow meters.
Installation and Setup
Mount the MTL5532 on a T-section 35mm DIN rail for secure installation. Electrical connections use crimp ferrules, and the terminal capacity accepts conductors up to 2.5mm² stranded or single-core. Configuration requires a personal computer running MTL PCS45 software with a PCL45USB serial interface. Ensure the power supply is within 20-35 Vdc and that ambient temperature stays between -20°C and 60°C.
Maintenance and Reliability
Routine inspection of the green power LED and yellow status LED confirms normal operation. The red LFD LED indicates line fault detection, alerting to wiring issues. With humidity tolerance of 5-95% relative humidity and storage temperature range of -40°C to 80°C, the MTL5532 offers long-term reliability in harsh environments. Regular cleaning of the DIN rail and terminals per manufacturer guidelines prevents signal degradation.
FAQs about the MTL5532
Q: What is the input impedance of the MTL5532?
A: The input impedance is greater than 10kΩ.
Q: Can the MTL5532 output both pulse and 4-20mA signals?
A: Yes, it supports pulse and 4/20mA current outputs.
Q: What is the maximum load resistance for the 4-20mA output?
A: The load resistance is 0-450Ω at 20mA.
Q: How does the MTL5532 handle under/over range conditions?
A: The under/over range is 0-22mA.
Q: What is the galvanic isolation rating?
A: Galvanic isolation is 250V rms between safe-area circuits and power supply.
Product Support and Availability
The MTL5532 is available from PetroPartsOnline, a trusted supplier of industrial automation and oil/gas parts. In stock and ready to ship, this pulse isolator supports your hazardous location signal isolation needs. Contact PetroPartsOnline for current lifecycle status and ordering details.
