Eaton SWIRE-GW-MB Manual

Contents

1107/09 MN03407002Z-EN2 InstallationThis section tells you how to set up the station addresses andprotocol parameters for MODBUS RTU.MODBUS RTU stationaddresses and protocolparametersTo be able to use the gateway SWIRE-GW-MB within aMODBUS RTU network, its station address, parity and baudrate must be set before use. These settings are made usingDIP switches 2 to 10 on the device’s underside.DIP switch 1 is not assigned with a function.The MODBUS RTU station address for the SWIRE-GW-MB isset in binary format with DIP switches 6 to 10, providing atotal of 32 addresses from 0 to 31. Valid addresses for theSWIRE-GW-MB are 1 to 31.The baud rate of the MODBUS RTU network is set with DIPswitches 2 and 3.Possible baud rates, in kbits/s, are 9.6, 19.2, 38.4 and 57.6.The corresponding DIP switch settings are are shown below.Table 1: Setting the baud rateThe parity is set with DIP switches 4 and 5, as shown in thetable below.Transmission rate[kBit/s]DIP switch 3 DIP switch 29.6 OFF OFF19.2 OFF ON38.4 ON OFF57.6 ON ON