Schneider 140NOM21200 DIO Head-End Adaptor

Frequently Asked Questions (FAQ)

Q1: What is the main function of the 140NOM21200 adaptor?
A1: It serves as a DIO head-end adaptor, enabling communication over Modbus RS232 and Modbus Plus RS485 networks.

Q2: How many communication ports are available on this adaptor?
A2: It has three ports—one for Modbus RS232 and two for Modbus Plus RS485.

Q3: What is the supported transmission rate?
A3: The adaptor operates at a fixed transmission rate of 1 Mbit/s.

Q4: What diagnostics are performed by this module?
A4: It checks RAM, processor status, RAM address integrity, and checksum.

Q5: What is the maximum number of I/O words supported?
A5: It supports 30 input words and 32 output words.

Q6: What environmental conditions can the adaptor withstand?
A6: It can operate between 0–60 °C and withstand humidity up to 95% without condensation.

Q7: What is the required bus current for operation?
A7: The module requires 780 mA bus current.

Q8: Which certifications does the 140NOM21200 hold?
A8: It is certified by CSA, FM (Class 1 Div 2), GOST, GL, RINA, RMRS, DNV, and complies with C-tick and UL 508.

140NOM21200 DIO Head-End Adaptor Schneider

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