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9 modbus network architecture – Micromod Micro-DCI: EP1000A E-Port User Manual

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EP1000A E-Port Instruction Manual

12 Introduction

1.9 Modbus Network Architecture

A Modbus network is an RS485 network of up to 32 devices. Redundant communication configurations
may have two E-ports per network.

Figure 1-9

through

Figure 1-10

illustrate possible network architec-

tures.

Figure 1-9. Typical System Architecture

Figure 1-10. Typical System Architecture