MSA 9010 SIL, Operating Manual

Page: 36 / 76

35
Settings Parameters
GB
Model 9010/9020 SIL
P7
View STEL / TWA "ALARM" Thresholds Values
Displays the average STEL / TWA value
depending on setting in Access Code 4.
If ppm symbol is blinking then STEL or TWA time
interval is not reached yet.
Available only if "PPM" measuring
units are set.
P11
Input Value Simulation (Including Relays)
Allows simulating a change of gas concentration via
the UP and DOWN keys with alarms unblocked.
Set up desired concentration via UP and DOWN keys
Alarm LEDs are active
Digital outputs are active.
Analog output follows the simulated value level.
If any alarm is activated during
the test it can be acknowledged
with ENTER.
Press ESCAPE in order to exit.
P12
Digital Outputs Test
A change of status of all digital outputs (optocouplers
or relays). Status is changed even if the alarms are
blocked in Access Code 2, P3.
1 = Digital outputs remain in the configuration set in
Access Code 4
2 = Digital outputs change their status compared to
condition 1.
When exiting P12, the status of the digital outputs will
return to condition 1 automatically.
In the ATEX mode the FAILURE
output does not change its state.
Failure relay is already activated
when entering the configuration
menu.
Step Function Note