Demand Period
Read or Set the demand period. The legal value is an integer value between 3 and 60 minutes.
For M550 and M560 transducers, the write functions require the General Pass Code to be valid.

Sample Coding
Slave Address = 1
Writing To 4X Registers - code 16 (10 hex)
Value to write = 15 minutes


Message Packet To SLAVE
01 10 00 08 00 02 04 41 70 00 00 E7 EE
N.B. Value 41 70 00 00 = 15

Response Packet From SLAVE
01 10 00 08 00 02 C0 0A