Honeywell CM4 - Page 43

38 Rev. 2.4 (3/05)
Honeywell Analytics CM4 Protocol Manual
Set TWA Time This command congures the TWA time output.
0x5A You need to enter only the initial TWA output
time. The other two time factors are calculated
automatically.
Command packet to instrument:
Command Code (0x5A) - 1 byte
TWA Time - 2 bytes
Command Code (0x5A) - 1 byte
CM4 Date -2 bytes
CM4 Time - 2 bytes
Status - 1 byte
0x00 = Value saved and veried
0x01 = Hours Invalid
0x02 = Minutes Invalid
0xff = Not saved
Set Display This command congures the length in seconds
Cycle Time that the concentration for each point is displayed
0x5B while in the Monitor mode.
Command packet to instrument:
Command Code (0x5B) - 1 byte
Cycle time - 1 byte (valid 2-10 seconds)
Response packet from instrument:
Command Code (0x5B) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Status - 1 byte
0x00 = Value saved and veried
0x01 = Value < 2 seconds
0x02 = Value > 10 seconds
0xff = Not saved