MSA 9010 SIL, Руководство по эксплуатации

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38
Settings Parameters
GB
Model 9010/9020 SIL
"A" (ALARM) SETTINGS - OUTPUT WITH RELAY
P15
"ALARM" Alarm Direction and Threshold
Selection of the direction of activation of the alarms
u: rising,
d: falling
Settings the intervention threshold
Permissible values: 0-100 % FS
If LEL units are chosen in
ATEX mode, only rising alarm
type is selectable
P16
Alarm Relay State
E: conducting / Energized
dE: not conducting / not Energized
For 9020 unit status of
ALARM relay is defined in
Channel A setting.
In ATEX mode the relay status
is always set as conducting/
energized
P17
Alarm Reset Mode
Sequences: 1A; 1M; 2A; 2M
See chapter 12.1
In ATEX mode 1M and 2M
reset is allowed
P18
Alarm Delay
(Possible setting 0-600 s)
If PPM is set as unit of measure, the Control Unit shows the
selection SteL,
TuA (TWA) and norM; by selecting norM it is possible to set
the delay.
In ATEX mode alarm delay is
not possible.
ANALOG OUTPUT SETTINGS
P19
Analog Output Settings (in Normal Operating Condition)
Set Analog output configuration in normal operation
Available ranges:
0-20 mA
4-20 mA
20-0 mA
20-4 mA
in ATEX mode, only
4-20 mA output is available
P20
Analog Output Signal Value in Case of Failure
Available values:
0 mA
2 mA
3 mA
4 mA
20 mA
h (hold) - Output keeps the last value before failure occurred
In ATEX mode 0, 2 or 3 mA
output options are possible
only