Rockwell Automation 1757-FFLDC4 FOUNDATION Fieldbus System User Manual User Manual
Page 111

Rockwell Automation Publication 1757-UM012A-EN-P - July 2011
111
Linking Device Function Blocks Chapter 7
8–15
Reserved
CYCLE_SEL Bits
0
Scheduled
1
Block Execution
2
Manufacturer Specific
3–15
Reserved
CYCLE_TYPE Bits
0
Scheduled (LSB)
1
Completion of block execution
2
Manufacturer specific
3–15
Reserved
FEATURES Bits
0
Reserved
1
Not used
2
Fault State supported
If this feature is selected in FEATURE_SEL, setting the SET_FSTATE parameter will
force all output function blocks (AO and DO) in the resource to go to fault state.
Individual output function block will go to Fault State due to a loss of communication
to CAS_IN or IFS status in CAS_IN, regardless the selection of this feature.
3
Soft Write lock supported
Select this feature to enable the WRITE_LOCK parameter.
4–7
Reserved
8
Change of bypass in an automatic mode
(1)
If this feature is selected in FEATURE_SEL, it is allowed to write in BYPASS in an
automatic mode, otherwise only in Man or OOS modes.
9–15
Reserved
FEATURE_SEL Bits
0
Not used
1
Fault State Supported
If this feature is selected in FEATURE_SEL, setting the SET_FSTATE parameter will
force all output function blocks (AO and DO) in the resource to go to fault state.
Individual output function block will go to Fault State due to a loss of communication
to CAS_IN or IFS status in CAS_IN, regardless the selection of this feature.
2
Soft Write Lock Supported
Select this feature to enable the WRITE_LOCK parameter.
3
Change of Bypass in an Automatic Mode
If this feature is selected in FEATURE_SEL, it is allowed to write in BYPASS in an
automatic mode, otherwise only in Man or OOS modes.
4–15
Reserved
(1) This characteristic depends on the hardware type.
Table 6 - Block Options
Bit
Meaning
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