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Status Areas Section 7-2
7-1-3 I/O Data
Counter Units and Positioning Units have both input and output data. Three
words are allocated for the Master’s Output Area as output data from the Mas-
ter to the Unit and three words are allocated for the Master’s Input Area as
input data from the Unit to the Master. Refer to 7-4-3 I/O Data Details for
detailed information on the I/O data.
Input Data
Output Data
7-2 Status Areas
A Counter Unit or Positioning Unit has two status areas. The Unit’s Status
Flags are turned ON and OFF based on the threshold/monitor values set for
the functions in the Unit. A flag in the Communications Unit will be turned ON
only when the corresponding flag has been turned ON in one of the status
areas.
The Communications Unit’s Status Flag information is transmitted to the Mas-
ter. The Counter Unit’s or Positioning Unit’s status area can be read from a
Programming Device.
Action on bus idle The action that is taken when the SmartSlice bus goes idle can be set.
The digital outputs can either be cleared or their maintain functionality.
The counter continues to operate normally.
Outputs cleared.
Last maintenance
date
The date of the last time Unit maintenance was performed is recorded. 2005/1/1
Function Details Default
I/O data Details
Counter data and status data
(6 input bytes)
• Used to monitor counter data.
• Provides counter Status Flags.
I/O data Details
Counter settings and control data
(6 output bytes)
Used to set up and control the counter.
Flags are turned ON when the corresponding
monitor value is exceeded. The flag status can
be read from a Programming Device.
Slice I/O Unit
Master
Communications Unit
When one of the I/O Unit's status flags
goes ON, the corresponding status flag in
the Communications Units is turned ON.
Transmitted
to Master
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