Yokogawa A2EN404-S0000 N-ESB Bus Coupler Module Arrived
Yokogawa A2EN404-S0000 N-ESB Bus Coupler Module Arrived
Description
A2EN402-S0000
Model A2EN402 N-ESB Bus Coupler Module (for N-IO, 2-Port)
Suffix Codes
0 Always 0
0 Always 0
0 With no explosion protection
0 Basic type
STANDARD SPECIFICATIONS
N-ESB Bus Interface
Connection: A2EN402 and A2EN404 have two and four N-ESB bus communication ports, respectively, on the
front of the modules. A pair of A2EN40 installed in an odd-numbered slot and even-numbered slot
of A2FV50 or A2FV70 shall be connected to N-ESB bus 1 and bus 2, respectively.
Transmission cable: Unshielded twist-pair (UTP) with enhanced category 5 or superior
Connector: RJ-45 connector (ISO/IEC8877-compliant)
Transmission speed: 100 Mbps
Transmission distance: Max. 100 m (between a FCU and a N-IO node, or between N-IO nodes)
When using A2EN40 with A2FV50, for details of N-ESB bus specifications, refer to the GS “N-IO System
Overview” (GS 33J62A10-01EN).
When using A2EN40 with A2FV70, for details of N-ESB bus specifications, refer to the GS “Field Control Unit,
Cabinet Utility Kit (for RIO System Upgrade)” (GS 33J64E10-01EN).
Installation Limitations
A pair of A2EN40 shall be installed in A2FV50 or A2FV70 and always be used in a dual-redundant configuration.
For the installation limitations for A2FV50, refer to the GS “A2FV50 Field Control Unit” (GS 33J62E10-01EN).
For the installation limitations for A2FV70, refer to the GS “Field Control Unit, Cabinet Utility Kit (for RIO System
Upgrade)” (GS 33J64E10-01EN).
Current Consumption
0.5 A
Weight
A2EN402: Approx. 0.22 kg
A2EN404: Approx. 0.22 kg
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