Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 91)

<8. Detailed Data Setting>
8-8
IM 11M12A01-04E
8.4.4 Default Values
When the analyzer is delivered, or if data are initialized, the default alarm set values are as shown in
Table 8.8.
Table 8.8 Alarm Setting Default Values
Set item Set value
High-high alarm setpoint 100% O
2
High alarm setpoint 100% O
2
Low alarm setpoint 0% O
2
Low-low alarm setpoint 0% O
2
Alarm hysteresis 0.1% O
2
Delayed alarm action 3 seconds
High-high alarm detection Not detected
High alarm detection Not detected
Low alarm detection Not detected
Low-low alarm detection Not detected
8.5 Output Contact Setup
8.5.1 Output Contact
Mechanical relays provide contact outputs. Be sure to observe relay contact ratings. (For details, see
Section 2.1, "General Specifications.") The following sets forth the operation mode of each contact
output. Output contact 1 you can select open or closed contact when the contact is "operated". For
output contact 2, contact is closed. The relay for output contact 1 is energized when its contacts are
closed and vice versa. Accordingly, when no power is supplied to the equipment, those contacts
remain open. In addition, the relay for output contact 2 is energized when the corresponding contact is
open and de-energized when that contact is closed.
Table 8.9 Setting Output Contacts
Operating state When no power is applied to this equipment
Output contact 1 Open (de-energized) or closed
(energized) selectable.
Open
Output contact 2 Closed (de-energized) only. Closed