Omron CRT1 - 10-2008, Operation Manual

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Status Areas Section 7-3
Alarm Status Area
The Temperature Input Unit's Alarm Status Area contains the following 16
bits. These bits indicate serious errors in the Unit.
10 Input Temperature Variation Detec-
tion Threshold Exceeded Flag
OFF: Within range (below set moni-
tor value)
ON: Out-of-range (equal to or above
set monitor value)
Turns ON when the difference between
input temperatures exceed the set mon-
itor value.
11 Set Temperature Range Total Time
Exceeded Flag
OFF: Within range (below set moni-
tor value)
ON: Out-of-range (equal to or above
set monitor value)
Turns ON when time in the set tempera-
ture range exceeds the set monitor
value.
12 Number of Top/Valley Exceeded Set
Value Flag
OFF: Within range (below set moni-
tor value)
ON: Out-of-range (equal to or above
set monitor value)
Turns ON when the number of tops or
valleys exceeds the set monitor value.
13 Reserved. Cannot be used.
14 Reserved. Cannot be used.
15 Reserved. Cannot be used.
Bit Content Description
Bit Content Description
0 Reserved. Cannot be used.
1 EEPROM Data Error Flag
OFF: Normal
ON: Error
Turns ON when there is an error with
data in the EEPROM.
2 Reserved. Cannot be used.
3 Reserved. Cannot be used.
4 Reserved. Cannot be used.
5 Reserved. Cannot be used.
6 Reserved. Cannot be used.
7 Reserved. Cannot be used.
8 Disconnected Line Detection Flag
OFF: Normal or input error detec-
tion is disabled
ON: Disconnected line detected or
cold junction compensator error
occurred
Turns ON when the line is disconnected
or when there is a Cold Junction Com-
pensator Error.
9 Cold Junction Compensator Off-
wire Flag (CRT1-TS04T only)
OFF: Normal
ON: Disconnected line detected
Turns ON when the cold junction com-
pensator is disconnected.
10 Reserved. Cannot be used.
11 Reserved. Cannot be used.
12 Reserved. Cannot be used.
13 Reserved. Cannot be used.
14 Reserved. Cannot be used.
15 Reserved. Cannot be used.