Siemens SITRANS SL Operating Instructions Manual page 163

Reporting the Alarm
Binary outputs
For each alarm it is possible to select if it should affect none, one or both of the relays.
Configuration for both outputs can be edited using the LUI user interface.
Analog outputs
For each output, actions can be set up for the following cases:
● Maintenance Fault
● Maintenance Demanded
● Process Value Fault
● Process Value Warning
● Process Value Tolerance
● No Data Exchange
● Local Override
● Device Unlocked
● Configuration Warning
Possible actions:
● Off (present measured value)
● Latest (freeze on the last presented value)
● Default level (set to a predefined default level)
● 3mA (NAMUR NE43 failstate)
PROFIBUS and Modbus
PROFIBUS and Modbus have two ways of reporting a problem, quality indication and alarm.
Quality indication that comes with every cyclic data (measurements) and is either a value or
one of the following states:
● Good
● Uncertain
● Bad
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
Alarm, error, and system messages
10.1 Alarm
165