NFLR121-S00RS-422/RS-485_YOKOGAWA_PRODUCT_吉林易择科技技术发展有限公司

The Yokogawa NFLR121-S00 is a Signal Converter / Isolator from the NFL series of DIN-rail mounted instruments. It is specifically designed as a RS-422 / RS-485 Serial Communication Line Receiver (Isolating Repeater).

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Parameters & Specifications
Category Specification
Model Code NFLR121-S00
Series NFL Series Signal Converters
Type Isolating Repeater for RS-422 / RS-485
Supported Protocols RS-422, RS-485 (Half-Duplex)
Data Rate (Baud Rate) 0 to 500 kbps (Standard). Some variants may support up to 1 Mbps.
Isolation Input ⇨ Output ⇨ Power Supply (3-way isolation).
Isolation Voltage: 2000 V AC (typical).
Number of Channels 1 channel (One input side, one output side).
Connectors Screw terminal block for easy wiring of the RS-422/485 signals (A, B, Z, Y, GND) and power.
Power Supply 24 V DC (Nominal). Standard operating range: 20 to 55 V DC.
Power Consumption Approx. 1.5 W (Typical)
Operating Temperature -20 to 70 °C (-4 to 158 °F)
Mounting DIN Rail Mount (Standard 35 mm DIN rail)
Case Material Plastic (Flame-retardant resin)
Protection Rating IP20 (For indoor use in a protective enclosure only. Not dust or water-resistant.)
Safety Certifications CE marked. Complies with relevant EU directives (EMC, LVD).

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