Appendix 5 - Hart ® Commands Used; Universal Commands; Common-Practice Commands; Supported Commands - Honeywell Searchpoint Optima Plus Operating Instructions Manual

MAN0905_Issue 7_07/17
HART

23.1 Universal Commands

Searchpoint Optima Plus responds to the Universal Commands. One Dynamic Variable is implemented –
Gas Concentration.
Additional comments: -
• Command #3 returns loop current and PV.
• Command #14: Units for sensor limits and minimum span are fixed. Sensor serial number is not used,
and returns 0
• Command #38: Reset "Configuration Changed" Flag
• Command #48: Read Additional Device Status

23.2 Common-Practice Commands

23.2.1 Supported Commands

The following common-practice commands are implemented:

23.2.2 Burst Mode

Searchpoint Optima Plus does not support Burst Mode.

23.2.3 Catch Device Variable

Searchpoint Optima Plus does not support Catch Device Variable.
23. Appendix 5 –
Commands Used
®
Command Number Description
40 Enter/Exit Fixed Current Mode
41 Perform Device Self-Test
42 Perform Master Reset
45 Trim DAC Zero
46 Trim DAC Gain
Searchpoint Optima Plus with optional HART
95
output
®
Operating Instructions
2108M0550