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Table 4.12 : Thermocouple Active Burnout Status
Label
Descriptions
Disabled
Active burnout disabled
Normal
Active burnout enabled, input ok
Degraded
Thermocouple degraded (difference measurement: 10Ω to 99Ω increase**)
Failing
Thermocouple Failing (difference measurement: 100Ω to 200Ω increase**)
Failing
Thermocouple Failing (absolute measurement: over 230Ω increase**)
Almost Failed
Thermocouple Almost Failed (difference measurement: over 200Ω, not failed)
Almost Failed
Thermocouple Almost Failed (absolute measurement: 330Ω to 2kΩ)
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)
**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 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 common 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.
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43-TV-25-33 GLO Iss.7 Feb 08 UK