Nxxx blocks, Oxxx blocks, Table a.79 nv_cycle_t – Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual User Manual
Page 209: Table a.80 out

Publication 1757-UM006A-EN-P - May 2002
Standard Function Block Parameters A-29
Nxxx Blocks
Table A.79 NV_CYCLE_T
Oxxx Blocks
Table A.80 OUT
Valid Views
VIEW_1, VIEW_3
Storage
mix
Remarks
Normally, the operator has permission to write these values, but PROGRAM or
LOCAL remove that permission and grant it to a supervisory computer or a
local control panel.
This block has a mixture of storage types. Static for modes Normal and Permit-
ted, Non-Volatile for Target mode, and Dynamic for Actual mode.
The data type consists of bit strings for Actual, Target Permitted and Normal
modes. It uses the following four elements.
• Target
• Actual
• Permitted
• Normal
Classification
Simple Variable
Description
Defines interval between writing copies of Non-Volatile (NV) parameters to
NV memory. Zero means never.
FF Data Type
Unsigned 32
Range
Positive
Usage
C/Contained
Length
4
Valid Views
VIEW_2
Storage
Static
Remarks
Ready Only
Classification
Record
Description
Represents the primary analog value calculated as a result of executing the
function.
FF Data Type
DS-65
Range
OUT_SCALE +/- 10 percent
Usage
O/Primary Output
Length
5