Modicon 884 PLCs - Hardware Setup

Set your PLC to the communication settings you require. The default hardware settings for the 884 are as follows:

Note: These settings are recommendations only. If you use the Communications Express Wizard, these default settings are configured in your project automatically, though your hardware may support other values. If you do set the baud rate, data bits, stop bits or parity to another value, you must manually set the new value(s) in your project.

Set the following configuration options on the Modbus port on the Modicon PLC:

• Station number

• RTU mode (If this is not selected then the MODBUSA protocol is used)

• Delay time to 1