====== Communication Built-in Commands ======

Choose the protocol and device role first, then open the corresponding command page. The RS-232, RS-485 and UART terminal roles and ''Serial'' numbers depend on the product model.

^ Protocol and role ^ Start with ^ Then review ^
| Modbus RTU Slave | [[:en-us_commands:reference:imodbusrtuinit|ImodbusRTUInit()]] | [[:en-us_commands:reference:imodbusrtumem|ImodbusRTUMem()]] · [[:en-us_commands:reference:imodbusrtuadr|ImodbusRTUAdr()]] · [[:en-us_commands:reference:imodbusrtu|ImodbusRTU()]] |
| Modbus RTU Master | [[:en-us_commands:reference:imodbusrtumasterinit|ImodbusRTUmasterInit()]] | [[:en-us_commands:reference:imodbusrtumaster|ImodbusRTUmaster()]] · [[:en-us_commands:reference:imodbusrtumasteradd|ImodbusRTUmasterAdd()]] · [[:en-us_commands:reference:imodbusrtumasterrun|ImodbusRTUmasterRun()]] |
| LS Electric Cnet Slave | [[:en-us_commands:reference:icnetinit|ICnetInit()]] | [[:en-us_commands:reference:icnetmem|ICnetMem()]] · [[:en-us_commands:reference:icnetadr|ICnetAdr()]] · [[:en-us_commands:reference:icnet|ICnet()]] |
| Mitsubishi MC Protocol | [[:en-us_commands:reference:imcinit|IMcInit()]] | [[:en-us_commands:reference:imcmem|IMcMem()]] · [[:en-us_commands:reference:imcadr|IMcAdr()]] · [[:en-us_commands:reference:imcprotocol|IMcProtocol()]] |

If communication fails, check the selected protocol, electrical interface, baud rate, station address, parity and wiring in that order. See the [[:en-us_commands:builtin|built-in command manual]] for command usage.

[[:en-us_examples:communication|Find a communication example]]

[[:en-us_commands:builtin|← Built-in command list]]