GW-7553-B / GW-7553-M PROFIBUS/Modbus TCP Gateway User Manual (Version 1.35, May/2017)PAGE: 104The user can set local IP setting of GW-7553-B / GW-7553-M in this part.(2) Remote IP Setting:The user can set IP address, time out value and reconnecting time of the ModbusTCP Slave in this part. When GW-7553-B / GW-7553-M acts as a Modbus TCPMaster, these settings are effective. GW-7553-B / GW-7553-M can connectModbus TCP Slave devices by these IP settings and the maximum of ModbusTCP Slave device is 8.(3) Save interfaceThe user can click “Save to File” button to open “save file dialog” to save IPsetting for backup, click “Save to Device” button to save IP setting to EEPROMof the GW-7553-B / GW-7553-M.Note:If IP setting is ok, user needs to restart GW-7553-B / GW-7553-M to read new IPsetting value.Figure 103 IP setting5.6 Establish connection with GW-7553-B / GW-7553-MThe connection of Utility and GW-7553-B / GW-7553-M is shown in Figure 104.Please follow the steps to establish connection.Step 1:Wire COM Port of PC to RS-232 port of GW-7553-B / GW-7553-M.