Yokogawa NFLR121-S51 Serial Communication Module

FAQ

Q1: What communication standards does the NFLR121-S51 support?
A1: It supports RS-422 and RS-485 standards with two communication ports.

Q2: What is the maximum supported communication distance?
A2: The module supports up to 1200 meters of total extended communication length.

Q3: Is full-duplex communication supported?
A3: Yes, full-duplex and half-duplex communication are supported. However, for 2-wire setups, only half-duplex is available.

Q4: What is the range of baud rates supported by this module?
A4: It supports baud rates from 300 bps to 115.2 kbps.

Q5: How is the NFLR121-S51 connected to external devices?
A5: Through a terminal block using M4 screws with 5 poles x 2, along with two included 120-ohm terminators.

Q6: Can this module be used in explosion-protected environments?
A6: Yes, when ordered with the appropriate suffix code “E”, it supports explosion protection.

Q7: What is the power consumption of the NFLR121-S51?
A7: The module consumes 500 mA.

Q8: What kind of LEDs are provided for status indication?
A8: STATUS, ACT (activity), RCV (receive), and SND (send) LEDs are provided to monitor operation and communication states.

NFLR121 NFLR121-S51 Serial Communication Module Yokogawa

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