Honeywell touchpoint Pro - Electrical Connections; Touchpoint Pro Power Supply Connections; 120 W DC 24 V Power Supply Unit

NORMAL OPERATION
Touchpoint Pro
Pt. No. 2400M2566_1_EN 42 Operating Manual
6.8.1 Event Status with a Rising Gas Reading
Rising Gas Reading
Event Status
(Full scale/Over
Range)
Event History
(Sequential Entries)
Remarks
Below 100%
—
—
—
≥100% & <120%
Full Scale Exceeded
Active
Full Scale Exceeded Active
—
≥120%
Over Range Warning
Active
Full Scale Exceeded Active
Full Scale Exceeded Cleared
Over Range Active
Full Scale Exceeded auto-
cleared (overwritten by Over
Range Warning)
Table 12. Rising Gas Reading
6.8.2 Event Status as the Gas Concentration Decreases
The indicated value remains at the programmed Over Range Warning value. A "greater than" symbol (">") is displayed to
indicate that the programmed level has been exceeded. The latched reading may be reset once the gas concentration has
decreased below the programmed level.
The Over Range Warning remains Latched.
Note: In the following example, Full Scale Exceeded will not reappear until the gas concentration falls to between 100% &
120% of the pre-set gas range and the latched Over Range Warning has been reset manually.
Falling Gas Concentration
Event Status (Full
Scale/Over Range)
Event History
(Sequential Entries)
Remarks
≥100% & <120%
Over Range Warning
still Active (latched)
Full Scale Exceeded Active
Full Scale Exceeded Cleared
Over Range Active
Full Scale Exceeded is hidden
while Over Range Warning is
active.
≥100% & <120% Full Scale Exceeded
Full Scale Exceeded Active
Full Scale Exceeded Cleared
Over Range Active
Over Range Cleared
Full Scale Exceeded Active
1
st
manual reset attempted by
user.
Over Range Warning reset
was successfully.
Full Scale Exceeded may
appear.
Below 100% —
Full Scale Exceeded Active
Full Scale Exceeded Cleared
Over Range Active
Over Range Cleared
Full Scale Exceeded Active
Full Scale Exceeded cleared
The 2
nd
manual reset can be
applied now and Full Scale
Exceeded should auto-clear.
Table 13. Falling Gas Reading
WARNING
A potentially explosive gas concentration may still exist at this point.