Demand Time Period
Read or Set the demand time period. The legal value is an integer between 3 and 60 minutes.

For M5xx 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 06 00 02 04 41 70 00 00 66 62
N.B. Value 41 70 00 00 = 15

Response Packet From SLAVE
01 10 00 06 00 02 A1 C9