7.12.1 Block errors
Table 7-34 lists the conditions reported in the BLOCK_ERR parameter.
Block error conditionsTable 7-34:
Condition num-
ber Condition name and description
0 Other: The output has a quality of Uncertain.
1 Block Configuration Error
2 Link Configuration Error
3 Simulate Active
4 Local Override: The actual mode is LO.
5 Device Fault State Set
6 Device Needs Maintenance Soon
7 Input Failure/Process Variable has Bad Status: One of the inputs is bad or not
connected.
8 Output Failure: The output has the quality of Bad.
9 Memory Failure: A memory failure has occured in FLASH, RAM or EEROM mem-
ory.
10 Lost Static Data
11 Lost NV Data
12 Readback Check Failed
13 Device Needs Maintenance Now
14 Power Up: The device was just powered up.
15 Out of Service: The actual mode is out of service.
7.12.2 Modes
The ISEL function block supports three modes of operation as defined by the MODE_BLK
parameter:
• Manual (Man): The block output (OUT) may be set manually.
• Automatic (Auto): OUT reflects the analog input measurement or the simulated value
when simulation is enabled.
• Out of service (O/S): The block is not processed. The BLOCK_ERR parameter shows Out
of Service. In this mode, you can make changes to all configurable parameters. The
target mode of a block may be restricted to one or more of the supported modes.
Foundation Fieldbus
Reference Manual 185
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