Moxa ioPAC 8500-9-RJ45-C-T [66/66] Modbus master tcp rtu

Developer's Guide for Moxa RTU Controllers Sample Code

3-3

Modbus Master (TCP/RTU)

C files: CD://Software/example/mxtest/modbus_master_tcp_test.c

CD://Software/example/mxtest/modbus_master_rtu_test.c

Header file: libmoxa_pgm.h

API Library file: libmoxa_pgm.a

Description: The Modbus Master API includes support for both TCP and RTU protocols. This example shows

how to communicate to a Modbus slave device.

Modbus TCP Slave

C file: CD://Software/example/mxtest/modbus_slave_tcp_test.c

Header file: libmoxa_pgm.h

API Library file: libmoxa_pgm.a

Description: The Modbus TCP slave API includes support for the TCP protocol. This example shows how to set

up a Modbus/TCP server.

RAS (Active Tag Service)

C file: CD://Software/example/mxtest/ras_client_test.c

Header file: libmoxa_pgm.h

API Library file: libmoxa_pgm.a

Description: The RAS API provides a way to link local I/O status to MOXA Active OPC Server. I/O data can be

actively pushed to the server and to the SCADA system or updated from the server and SCADA system. The

sample code shows how to establish the connection and Add/Del/Upload a tag to the Active OPC Server.

Misc

C file: CD://Software/example/mxtest/misc_test.c

Header file: libmoxa_pgm.h

API Library file: libmoxa_pgm.a

Description: This example shows how to operate GPIO, RTC, and Watchdog.

C file: CD://Software/example/mxtest/sd_test.c

Header file: libmoxa_pgm.h

API Library file: libmoxa_pgm.a

Description: This example shows how to operate an SD card.