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EC401-51 | ESB Bus Coupler Module Yokogawa

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Yokogawa EC401-51 ESB Bus Coupler Module

Function ESB Bus Interface Function
Transmission Speed 128 Mbps
Transmission Distance Max. 10 meters
Current Consumption 0.5 A
Weight Approx. 0.24 kg
Dimensions (W × H × D) 130 × 129.5 × 32.8 mm

Installation Guidelines:

Supports connection of up to 9 units per bus segment

For non-redundant ESB bus systems, install in Slot 7 of the AFV or A2FV series base units

Slot 8 must be covered by a dummy module if not used

For redundant systems, EC401-51 modules must be installed in both Slot 7 and Slot 8

System Compatibility:
Only Style Code S3 or later of the EC401-51 module is compatible with Yokogawa CP471 processor module, ensuring future-ready operation in advanced system architectures.

Environmental Compliance:
With the ISA Standard G3 rating, the EC401-51 offers enhanced resistance to corrosive gases and harsh conditions, making it suitable for demanding industrial control environments.

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