Yokogawa EC402-51 ESB Bus Coupler Module

FAQ

Q1: What is the primary function of the EC402 module?
A1: The EC402 functions as a master interface for the ESB bus, enabling communication between the Field Control Unit and Node Units.

Q2: How many nodes can the EC402 connect to?
A2: It supports up to 9 nodes on each port, with a maximum total of 13 nodes.

Q3: What is the data transmission speed of the EC402?
A3: The module supports a transmission speed of 128 Mbps for I/O module data.

Q4: Can the EC402 support redundant configurations?
A4: Yes, redundant configurations are supported when installed in both the 7th and 8th slots.

Q5: What is the installation requirement for non-redundant use?
A5: For non-redundant use, the EC402 must be installed in the 7th slot and the 8th slot must be covered with a dummy module.

Q6: What systems is the EC402 compatible with?
A6: It is compatible with FIO-type Field Control Units like AFV30S/D, AFV40S/D, A2FV50S/D, and A2FV70S/D.

Q7: Does the EC402 support long-distance communication?
A7: Yes, it offers a longer transmission distance than the EC401, with a maximum of 20 meters combined.

Q8: Is explosion protection available for the EC402?
A8: Yes, an explosion-protected version is available with the suffix code “-E”.

EC402 EC402-51 ESB Bus Coupler Module Yokogawa

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