Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manuel d'utilisateur Page 61

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Publication 1794-UM065B-EN-E - September 2010
1794-IF8IH and 1794-OF8IH Configuration 49
Remote Alarm (8 of 1 bit each)
Alarm from remote transmitter, indicating transmitter difficulties, sensor
difficulties or loop to the sensor is open. If no transmitter is present this alarm
can be utilized as a Low Low and/or High High Alarm. This is accomplished
programmatically by "ANDing" together the Remote Alarm and the Low
Alarm for a Low Low Alarm and the Remote Alarm and the High Alarm for a
High High Alarm.
This alarm is active for both a high indication and low indication.
Alarm thresholds are adjustable by the Remote High High and Remote Low
Low Alarm Limit parameters for Data Formats 0…7.
Alarm thresholds are preset for Data Formats 8…15.
Range: 0=normal, 1=fault detected
Data Table Reference: rem alarm, Status Word 1, bits 8…15
Loop Alarm (8 of 1 bit each)
Alarm indicating the loop to the transmitter, or, if there is no transmitter, the
loop is open or shorted. When active, this alarm triggers at 2 mA and 22 mA
for open and short respectively.
Range: 0=normal, 1=fault detected.
Data Table Reference: local fault, Status Word 1, bits 0…7
Module Diagnostic Status (1 of 8 bits)
Response from module on its condition.
Diagnostic Status Value: 0 Channel Failure
0x00 All No Errors (default)
0x10 Channel 0 HART Iloop Threshold Configuration Error
0x11 Channel 1 HART Iloop Threshold Configuration Error
0x12 Channel 2 HART Iloop Threshold Configuration Error
0x13 Channel 3 HART Iloop Threshold Configuration Error
0x14 Channel 4 HART Iloop Threshold Configuration Error
0x15 Channel 5 HART Iloop Threshold Configuration Error
0x16 Channel 6 HART Iloop Threshold Configuration Error
0x17 Channel 7 HART Iloop Threshold Configuration Error
0x20 Channel 0 Remote/Local Alarm Configuration Error
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