177
Troubleshooting Function Block
Troubleshooting
The actual mode of a
function block cannot be
equalized to the target
mode.
O/S is set for the target mode
of the resource block.
Change the target mode of
the resource block to Auto.
❑ “Function
Block Parame-
ters” on
page 183
❑ “Block
Modes” on
page 109
The I/O of the function block in
question is not connected to
another function block.
Using a configuration tool,
set the virtual
communication
relationship (VCR) and
link object.
“Configuration”
on page 89
Schedules that define when
function blocks execute are
not set correctly.
Set the schedules using a
configuration tool.
“Configuration”
on page 89
The transducer block is in O/S
mode.
Change the target mode of
the transducer block to
Auto.
❑ “Function
Block Parame-
ters” on
page 183
❑ “Block
Modes” on
page 109
A block’s dynamic
parameters do not update.
The block in question is in O/S
mode.
Change the target mode
as necessary.
❑ “Function
Block Parame-
ters” on
page 183
❑ “Block
Modes” on
page 109
O/S is set for the target mode
of the resource block.
Change the target mode of
the resource block to Auto.
❑ “Function
Block Parame-
ters” on
page 183
❑ “Block
Modes” on
page 109
Table 56 Troubleshooting Function Block Parameters (Continued)
Problem Presumed Cause Remedy See Section
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