The Alarm Summary object supports the Electronic Signature option. Both single and multiple alarm acknowledgement is supported. Manual alarm deletion is also supported.
The operator can acknowledge one or more alarms using the Alarm Summary object with any of these conventional methods:
- Double-click a row.
- Select one or more rows and then press Enter.
- Use the Acknowledge Page command from the right mouse menu.
- Use the Acknowledge an Alarm command from the right mouse menu.
- Select the Alarm Summary object and press K on the keyboard.
Whenever the operator acknowledges an alarm for a tag configured to require electronic signature using one of these methods, the Electronic Signature dialog box appears.
The Electronic Signatures dialog box appears when the operator acknowledges multiple alarms. The dialog box displays the names and descriptions of all the tags being acknowledged by the operator. The alarms the operator acknowledges may have mixed signing requirements; some may require no signature, some may require Perform Only signature, and others may require Perform and Verify signatures.
When the operator acknowledges two or more alarms, the most restrictive signing requirements are enforced. The following table shows the signing requirements for the indicated conditions: