15 Rev. 2.4 (3/05)
Honeywell Analytics CM4 Protocol Manual
Get Idle Time This command inquires about how long the unit can be
0x32 left out of analysis before setting an Instrument Fault.
Idle time is used to notify operators that the unit is not
monitoring. An idle time of 0 disables this option.
Command packet to instrument:
Command Code (0x32) - 1 byte
Response packet from instrument:
Command Code (0x32) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Idle Time - 1 byte (0 disabled, 1-45 minutes)
Status - 1 byte
0x00 = No errors in reading
0xff = Error in reading
Get Date & Time This command retrieves the current date and time from
0x33 the unit.
Command packet to instrument:
Command Code (0x33) - 1 byte
Response packet from instrument:
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Status - 1 byte
0x00 = Date and Time READ
0xff = Read problem
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