Rack Monitor 88XX
Document: Operation Manual
Date: January 2024
Version: A.0 subject to change
Page 36 of 43 – Operations Manual
Initial value, probe status can’t be determined
No permissive signal from probe
Probe was non-permissive, but is now permissive
Probe doesn’t follow specification
Probe channel open (2-wire only)
Probe channel shorted (2-wire only)
Probe channel shorted to different channel (2-wire only)
Probe is bypassed and currently non-permissive
Probe is bypassed and currently permissive
Table 10 Probe states
Rack Status
The rack status register has several status flags. Flag 0 is bit 0 of the register.
Red function key detected
Blue function key detected
Ground verification is bypassed
Ground restored status is active
Over-temperature detected inside housing
High humidity detected inside housing
Table 11 Rack status
Channel Status
The status of channels 1..8 is given in the channel status registers.
Table 12 Channel status registers
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