Status Area; Status Areas Of Digital I/O Units - Omron SmartSlice GRT1-OD4G-1 Operation Manual

Status Area

4-2 Status Area
4-2-1

Status Areas of Digital I/O Units

Warning Status Area
The Digital I/O Units have two status areas. Each Unit's Status Flags are
turned ON and OFF based on the threshold/monitor values set for the func-
tion in that Unit. A flag in the Communications Unit will be turned ON only
when the corresponding flag has been turned ON in one of those status
areas.
The Communications Unit's Status Flag information is transmitted to the Mas-
ter. The I/O Unit's status area information can be read from a Programming
Device.
Master
Communications Unit
Transmitted
to Master
When one of the I/O Unit's status flags
goes ON, the corresponding status flag
in the Communications Unit is turned ON.
The Slice I/O Unit's Warning Status Area contains the following 16 bits. The
Warning Status Area provides notification of minor errors detected in the Unit.
When any of these flags goes ON, bit 2 of the Communications Unit's Status
Flags is turned ON and that information is transmitted to the Master.
Bit Content
0 Reserved
1 Reserved
2 Reserved
3 Unit Maintenance Flag
OFF: Normal
ON: Error (Over threshold or 87672
hours)
4 Reserved
5 Reserved
6 Reserved
7 Reserved
8 Operation Time Monitor Flag
OFF: Within range (below set value)
ON: Out-of-range (exceeded set
value)
9 Connected Device Maintenance Flag
OFF: Within range (all points below set
value)
ON: Out-of-range (one or more points
exceeded set value)
10 Reserved
11 Reserved
12 Reserved
13 Reserved
Slice I/O Unit
Flags are turned ON when the corresponding
monitor value is exceeded. The flag status can
be read from a Programming Device.
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Monitors the power ON time warning
value set for the Unit Conduction
Time Monitor function.
Also monitors whether 87672 hours
(10 years) have elapsed.
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Monitors whether the operating time
for the specified I/O bits is within the
warning value set for the Operation
Time Monitor function.
Monitors the warning value set for the
Contact Operation Counter or Total
ON Time Monitor function.
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Section 4-2
Description
45