Rockwell Automation 1757-FFLDC4 FOUNDATION Fieldbus System User Manual - 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