Honeywell Minitrend QX, User Manual

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43-TV-25-30 Iss.6 GLO Aug 07 UK 163
**any increase is measured from the level when the recorder is first powered up.
Analogue Out Status
(Main Menu > Status > Diagnostics > Hardware > Analogue Out))
Not available for the eZtrend QXe .
• Channel - Displays the Slot position, eg. B, E or F, the Analogue Output number and
the system channel position. This will show a tick if this channel is enabled.
• TX Pen - Displays which pen is transmitting the signal
• Range - Displays the Output range set. A tick here will indicate this is over-range.
• Output - Displays the current Analogue Output reading for this channel.
Go Back to return to the previous screen or select Print to print the screen.
Alarm/Digital IO Status
(Main Menu > Status > Diagnostics > Digital IO)
• Channel - Displays the Slot position, eg. G, H or I, the Digital IO number and the system
channel position. This will show a tick if this channel is enabled. Fixed refers to the com-
mon relay output on the power board (24V relay)
• Input/Output/Pulse - Displays what activity is on this channel, Input, Output or Pulse
Input.
• Alarm - Displays the Pen number and the Alarm number that activates the digital output
when the alarm is active. The Alarm has to be set to Relay out.
• Status - Displays the current state of the digital input on this channel or pulsed if Pulse
Out is selected. The relay is displayed as open or closed.
• Counters - Displays the counter number when active.
• Duration - Displays the Output Pulse duration set.
Go Back to return to the previous screen or select Print to print the screen.
Table 4.12 : Thermocouple Active Burnout Status
Label Descriptions
Disabled Active burnout disabled
Normal Active burnout enabled, input ok
Degraded
Thermocouple degraded (difference measurement: 10
Ω
to 99
Ω
increase**)
Failing
Thermocouple Failing (difference measurement: 100
Ω
to 200
Ω
increase**)
Failing
Thermocouple Failing (absolute measurement: over 230
Ω
increase**)
Almost Failed
Thermocouple Almost Failed (difference measurement: over 200
Ω
, not failed)
Almost Failed
Thermocouple Almost Failed (absolute measurement: 330
Ω
to 2k
Ω
)
Open Circuit Thermocouple Failed, No data on passive channel,
Thermocouple Failed, but no error on passive thermocouple channel
Thermocouple Failed, also failed status on passive channel
Short Circuit
Possible thermocouple wiring short circuit detected (significant reduction in
Ω
)