Modbus Serial Protocol Stack Features:
· Modbus RTU or ASCII Master and Slave
· Class 0, Class 1 server, some Class 2
· Read Coil - Function 1 (input)
· Read Input Discretes - Function 2 (input)
· Read Multiple Registers - Function 3 (input)
· Read Input Registers - Function 4 (input)
· Write Coil - Function 5 (output)
· Write Single Register - Function 6 (output)
· Read Exception Status - Function 7 (input)
· Force Multiple Coils - Function 15 (output)
· Write Multiple Registers - Function 16 (output)