Omron CRT1 - 10-2009, Operation Manual

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323
Status Areas
Section 6-4
6-4-1 Analog Input Slave Unit Status Area
Warning Status Area The Analog Input Slave Unit’s Warning Status Area contains the following
16 bits. These bits indicate minor errors in the Unit.
Master Unit
Transmitted
to Master Unit
Analog I/O Slave Unit
The Analog I/O Slave Unit has two status
areas: the Warning Status Area and the
Alarm Status Area.
The status bit detection allocated to the master is OR of all
slaves
Bit Content Description
0 Reserved ---
1 Reserved ---
2 Network Power Voltage Drop Flag
OFF: Normal
ON: Error (Below the monitor value)
Turns ON if the network power supply
voltage is reduced below the set
monitor value.
3 Unit Maintenance Flag
OFF: Normal
ON: Error (Higher than the monitor
value)
Turns ON when the cumulative total
unit conduction time exceeds the set
monitor value.
4 Reserved ---
5 Reserved ---
6 Reserved ---
7 Reserved ---
8 Analog Range Exceeded Flag
OFF: Within range (Less than the set
monitor value)
ON: Out-of-range (More than the set
monitor value)
Turns ON in the case that the analog
data exceeds the displayable range
or if it exceeds the set monitor value
set by the comparator function.
9 Cumulated Counter Exceeded Flag
OFF: Within range (Less than the set
monitor value)
ON: Out-of-range (More than the set
monitor value)
Turns ON if the cumulated counter
value exceeds the set monitor value.
10 Reserved ---
11 Reserved ---
12 Reserved ---
13 Reserved ---
14 Reserved ---
15 Reserved ---