Relay Pulse Width
Read or set the pulse width (closed time) of the relay. The valid number must be an integer between 0 and 10 inclusive,
representing the number of 20ms time periods. e.g. 2 = 40ms, 4 = 80ms. 0 = OFF.

Sample Coding
Slave Address = 1
Writing To 4X Registers - code 16 (10 hex)
Value to write = 4 (80ms)

Message Packet To SLAVE
01 10 00 0E 00 02 04 40 80 00 00 66 0B
N.B. Value 40 80 00 00 = 4

Response Packet From SLAVE
01 10 00 0E 00 02 20 0B