MAN0905_Issue 7_07/17
Searchpoint Optima Plus with optional HART
®
output
Operating Instructions
2108M0550
95
23. Appendix 5 –
HART
®
Commands Used
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:
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
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.