Emerson Fisher FIELDVUE DVC6000f, Instruction Manual

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MAI Function Block
December 2009 4-143
MAI Function Block Parameter List
Read/Write Capability: RO
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Read Only, RW
−
Read Write
Mode: The block mode(s) required to write to the parameter
Double indentation and shaded Index Number indicates sub-parameter
Table 4-63. MAI Function Block Parameter Definitions
Label
Parameter Name
Index
Number
RO /
RW
Mode Range Initial Value Description
Static Revision
ST_REV
1 RO N/A 0 to 65535 0
Data Type: Unsigned16
The revision level of the static data
associated with the input selector block.
The revision value will be incremented
each time a static parameter value in the
block is changed.
Tag Description
TAG_DESC
2 7 bit ASCII spaces
Data Type: Octet String
The user description of the intended
application of the block.
Strategy
STRATEGY
3 0 to 65535 0
Data Type: Unsigned16
The strategy field can be used to identify
grouping of blocks. This data is not
checked or processed by the block.
Alert Key
ALERT_KEY
4 1 to 255 0
Data Type: Unsigned8
The identification number of the plant
unit. This information may be used in the
host for sorting alarms, etc.
Block Mode
MODE_BLK
5
Data Type: DS-69
The actual, target, permitted, and normal
modes of the block.
Target: The requested block mode
Actual: The current mode of the block
Permitted: Allowed modes for Target
Normal:
Most common mode for Target
TARGET 5.1 RW ALL OOS, MAN, AUTO OOS
ACTUAL 5.2 RO ALL OOS
PERMITTED 5.3 RW ALL OOS+MAN+AUTO OOS, MAN, AUTO
NORMAL 5.4 RW ALL AUTO AUTO
Block Error
BLOCK_ERR
6 RO
1: Block Configuration
Error
7: Input Failure/ Bad PV
Status
14: Power-up
15: Out-of-Service
Data Type: Bit String
0 = Inactive
1 = Active
This parameter reflects the error status
associated with the hardware or software
components associated with a block. It is
a bit string, so that multiple errors may
be shown.
MAI Channel
CHANNEL
7 21 only 0 = undefined
This variable must be set to 21. Channel
assignments to the 8 outputs is done
through MAI_CHANNEL_MAP
parameter in transducer block.
1=FINAL_VALUE
2=TRAVEL_TARGET
3=FINAL_POSITION_VALUE
4=TRAVEL
5=SUPPLY_PRESS
6=ACT_PRESS_A
7=ACT_PRESS_B
8=ACT_PRESS_DIFF
9=DRIVE_SIGNAL
10=TRAVEL_DEVIATION
11=TEMPERATURE
12=CYCLE_COUNT
13=TRAVEL_ACCUM
Ouput 1
OUT_1
8
OOS
MAN Channel assigned by
TB.MAI_CHANNEL_MAP
TB.FINAL_VALUE
Data Type: DS-65
The block output value and status.
Output 2
OUT_2
9
OOS
MAN Channel assigned by
TB.MAI_CHANNEL_MAP
TB.TRAVEL_TARGET
Data Type: DS-65
The block output value and status.
Output 3
OUT_3
10
OOS
MAN Channel assigned by
TB.MAI_CHANNEL_MAP TB.FINAL_POSITION_
VALUE
Data Type: DS-65
The block output value and status.
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Continued
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