YOKOGAWA EXAxt ZR22G, User Manual, Page: 122 / 211

<8. Detailed Data Setting>
8-9
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
8.3.4 Default Values
When the analyzer is delivered, or if data are initialized, the default alarm set values are as
shown in Table 8.4.
Table 8.4 Alarm Setting Default Values
Set item Oxygen concentration Humidity (amount of
moisture content)
Mixing ratio
Setting
range
Default
setting
Setting
range
Default
setting
Setting
range
Default
setting
Hysteresis 0 to 9.9
vol%O
2
0.1 vol%O
2
0 to 9.9
%H
2
O
0.1 %H
2
O 0 to 0.1 kg/
kg
0.001 kg/kg
Delay time 0 to 255
seconds
3 seconds 0 to 255
seconds
3 seconds 0 to 255
seconds
3 seconds
High-high limit
alarm
– OFF – OFF – OFF
High-high limit
alarm setpoint
0 to 100
vol%O
2
100 vol%O
2
0 to 100
%H
2
O
100.0
%H
2
O
0 to 1 kg/kg 1 kg/kg
High limit alarm – OFF – OFF – OFF
High limit alarm
setpoints
0 to 100
vol%O
2
100 vol%O
2
0 to 100
%H
2
O
100.0
%H
2
O
0 to 1 kg/kg 1 kg/kg
Low limit alarm – OFF – OFF – OFF
Low limit alarm
setpoint
0 to 100
vol%O
2
0 vol%O
2
0 to 100
%H
2
O
0.0 %H
2
O 0 to 1 kg/kg 0 kg/kg
Low-low limit alarm – OFF – OFF – OFF
Low-low limit alarm
setpoint
0 to 100
vol%O
2
0 vol%O
2
0 to 100
%H
2
O
0.0 %H
2
O 0 to 1 kg/kg 0 kg/kg
8.4 Output Contact Setup
8.4.1 Output Contact
Mechanical relays provide contact outputs. Be sure to observe relay contact ratings. (For details,
see Section 2.1, General Specifications) The operation modes of each contact output are as
follows. For output contacts 1 to 3 you can select open or closed contact when the contact is
“operated”. Default is closed. For output contact 4, contact is closed.
When power fails, contact outputs 1 to 3 are open, and 4 is closed.
Table 8.5
State when contact “ operated ”
When no power is applied
to this equipment
Output contact 1 Open (deenergized) or closed (energized) selectable. Open
Output contact 2 Open (deenergized) or closed (energized) selectable. Open
Output contact 3 Open (deenergized) or closed (energized) selectable. Open
Output contact 4 Closed (deenergized) only Closed