Honeywell CM4 - Get Point Configuration - 0 X35

17 Rev. 2.4 (3/05)
Honeywell Analytics CM4 Protocol Manual
Get Point This command queries an individual point for its
Conguration current conguration.
0x35
Command packet to instrument:
Command Code (0x35) - 1 byte
Point Flag - 1 byte
bits 0-1: Point Number
00 = Point 1
01 = Point 2
10 = Point 3
11 = Point 4
bits 2-7: Undened
Response packet from instrument:
Command Code (0x35) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Point Status Flag - 1 byte
bit 0: Point Enable/Disable bit
0 = Disabled
1 = Enabled
bits 1-2: Point locked status
00 = Normal (No point lock-on)
01 = Lock-on for this point
10 = Lock-on for another point
11 = Undened
bits 3-7: Undened
MDA Gas Abbr. - 6 bytes (not null terminated)
Gas Table number - 1 byte (0 is the rst table)
Format Code - 1 byte
Alarm Level 1 - 2 bytes
Alarm Level 2 - 2 bytes
20 mA - 2 bytes
Full Scale - 2 bytes
Point ID - 20 bytes
Status - 1 byte
0x00 = Point read
0xff = Error