Revision 14
83 August 02, 2019
switches, oven temperature sensors (on total sulfur analyzers) or piezo buttons used to
initiate specific runs. A red circle beside a discrete input label indicates that the particular
discrete input has been triggered, while a green circle indicates that the particular discrete
input has not been triggered. Setting up discrete inputs is described in Section 5.11.
Discrete Inputs (Wet Contacts) - shows the current status of the four wet discrete inputs on
the ProTech903 electronics board. These discrete inputs can be such things as remote
calibration etc. A red circle beside a discrete input label indicates that the particular discrete
input has been triggered, while a green circle indicates that the particular discrete input has
not been triggered. Setting up discrete inputs is described in Section 5.12.
5.6 Alarms Tab
The Alarms tab allows the user to view the status of the analyzer alarms. Alarms such as the
total sulfur temperature switch or pressure switch alarms will be presented on the analyzer
status tab under the Discrete Input (Dry Contact) area and on the analyzer display alarm LED
on the analyzer’s front panel (section 4.2). Detailed alarm information can also be found on
the analyzer screen Alarms list (section 4.6).
Figure 5-10: Alarms Tab
The Alarms Tab is divided into 3 sections:
• Global Alarms (Section 5.5.1)
• Analog Input Alarms (Section 5.5.2)
• Analysis Alarms (Section 5.5.3)
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