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Status Areas Section 5-2
Output Data
GRT1-DA2@ Analog
Output Units
Analog Output Units support one type output data. Allocate the required data
as shown in the following tables.
Output Data
5-2 Status Areas
An Analog I/O Unit has two internal Status Areas. Bits are set with respect to
thresholds set by the user for each function. When any bit turns ON in one of
these Status Areas, the relevant Communications Unit Status Flag turns ON.
The Master Unit is notified of the status of Communications Unit Status Flags.
Information in I/O Unit Status Areas can be read using the Setting Tool.
GRT1-AD2
Warning Status Area The Analog Input Unit’s Warning Status Area is configured of the following 16
bits. The Warning Status Area provides notification of minor errors detected in
the Unit.
I/O data Details
Hold Flags (1 output byte) Used with each of the hold functions (peak, bottom, top, and valley) to control the execu-
tion timing of hold functions from the Master.
Data Type Details
Output data (4 output bytes) Used to allocate analog output data.
Host Master
Communications Unit
Analog I/O Unit
When any Analog I/O Unit Status Flag
turns ON, the relevant Communications
Unit Status Flag turns ON.
The threshold is exceeded
and the relevant bit turns ON.
The Setting Tool can be used
to read which bits are ON.
Notification to
Master
Bit Contents Description
0 Reserved. ---
1 Reserved. ---
2 Reserved. ---
3 Unit Maintenance Flag
OFF: Normal; ON: Error
(Over threshold or 87672
hours)
Monitors the power-ON time set as the
threshold for the Unit conduction time
monitoring function.
Also monitors whether 87672 hours (10
years) have elapsed.
4 Reserved. ---
5 Reserved. ---
6 Reserved. ---
7 Reserved. ---
8 Analog Range Flag
OFF: Within range (below
monitoring set value)
ON: Out of range (at or
above monitoring set
value)
Turns ON when the analog data
exceeds the range that can be dis-
played or the monitoring value set for
the monitor function.
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