Chapter 3: Configuring the Micro800 Expansion I/O 2085-IR8-SC Using CCW
Channel Status
Name
Description
Process Alarm High
PAH<n>
When set to 1, indicates the channel input value is greater than or equal to the
user-defined Process Alarm High Value in the configuration table.
Under Range
When set to 1, indicates the channel input reading is less than or equal to the
UR<n>
minimum point of the selected Input Type range or the Data Type low limit,
-32768.
Over Range
When set to 1, indicates the channel input reading is greater than or equal to the
OR<n>
maximum point of the selected Input Type range or the Data Type high limit,
+32767.
Open Circuit
OC<n>
When set to 1, indicates the channel connection on the terminal block is open.
Unused
Bits marked as Not Used are set to 0.
3.5.14 Channel Data
Channel Data
Length Name
Description
Channel Input Data <Channel>
The Data Type for the Channel Input Data is a signed 16-bit integer. The
integer ranges from -32768 to +32767.
Ch<n>
1 word
Data
See additional indication information about the Under/Over Range Alarm
feature and information about the Open Circuit Detection.
3.5.15 Output Table
The output table size for the module is 1 word. The 16 bits in each word are the
control bits on clearing the Low and High Process Alarm Latches for 8 channels
a group. To operate the control bits, see the information about the Process Alarm
and Latching feature.
Tag Name for
Word
Index
2085-IR8-SC (1 Word)
Ch 7:0 Clear High/Low Process
AO_00
Alarm Latch
User's Manual Pub. 0300321-01 Rev. A
3-17
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