Micromod MOD: Modcell 2050R MODBUS Communications Manual de usuario descargar pdf (Pagina 6)

IB-23C650M

INTRODUCTION

allows it to be identified by the master. This permits multiple slaves

(controllers) to reside on a single Modbus network.

The controller can be assigned any address between 1 and 247.

Addresses are set in the RS-485 MENU as part of the setup for

modbus communication. Address 0 is the “broadcast” address. Only

write messages can use it. All controllers process the message, but

there is no response back to the host.

Other types of slaves may reside on a network with the controllers.

Modbus does not support peer-to-peer communications where two

controllers can talk directly with each other.

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Micromod MOD: Modcell 2050R MODBUS Communications Manual de usuario Pagina 6