Set Point Enable/Disable – 0X58 - Honeywell CM4 Technical Handbook

CM4 Four-Point Continuous Monitor
Set Point Enable/Disable – 0x58
This command enables or disables points on the CM4 monitor.
Command packet to instrument:
Command Code (0x58) - 1 byte
Point enable mask - 1 byte
bits 0-3: Point selection
0x01 = Point 1 enabeled
0x02 = Point 2 enabeled
0x04 = Point 3 enabeled
0x08 = point 4 enabeled
bits 4-7: Undefined
Response packet from instrument:
Command Code (0x58) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Status - 1 byte
0x00 = Point enable updated and verified
0xff = Error, not saved
CM4 Technical Manual
Set Point Configuration - 0x59
This command configures an individual point. The point can be
configured even if it is disabled.
Command packet to instrument:
Command Code (0x59) - 1 byte
Point to be configured - 1 byte
bits 0-1: Point #
00 = Point 1
01 = Point 2
10 = Point 3
11 = Point 4
Gas Table # - 1 byte (0 = first table)
Alarm Level 1 - 2 bytes
Alarm Level 2 - 2 bytes
20 mA Full Scale - 2 bytes
Point ID - 20 bytes
Response packet from instrument:
Command Code (0x59) - 1 byte
CM4 Date - 2 bytes
CM4 Time - 2 bytes
Status - 1 byte
0x00 = Point configured and verified
0x01 = Gas error
0x02 = Alarm 1 Err (L1 < LAL or L1 > FS)
0x04 = Alarm 2 Error (L2 < L1 or L2 > FS)
0x08 = 20 mA Error (< LAL or > FS)
0xff = Save problem
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