Instruction Manual

Instruction Manual
D103434X012
Blocks
November 2014
150
Resource Block
The resource block contains hardware specific characteristics associated with the device; it has no input or output
parameters.
Resource Block Parameters
D Read/Write Capability: RO ‐ Read Only, RW ‐ Read Write
D Mode: The block mode(s) required to write to the parameter
D Double indentation and shaded Index Number indicates sub‐parameter
Table B‐47. Resource Block Parameter Definitions
Label
PARAMETER_NAME
Index
Number
RO /
RW
Mode Range
Initial
Value
Description
Static Revision
ST_REV
1 RO 0 to 65535 0
Data Type: Unsigned16
The revision level of the static data. Increments
by one each time a static parameter changes.
The value is reset to 0 whenever a Restart with
Defaults is performed.
Tag Description
TAG_DESC
2 RW NA NULL
Data Type: Octet String
The user description of the intended application
of the block.
Strategy
STRATEGY
3 RW 0 to 65535 0
Data Type: Unsigned16
Used to help group blocks.
Alert Key
ALERT_KEY
4 RW 1 to 255 1
Data Type: Unsigned8
The identification number of the plant unit.
Devices in a loop or plant section can be
assigned with a common alert key to aid the
operator in determining location of alerts.
Block Mode
MODE_BLK
5
TARGET_MODE 5.1 RW
3: Auto
7: OOS
3: Auto
Data Type: DS‐69
The actual, target, permitted, and normal
modes.
Target: The requested block mode
Actual: The current mode of the block
Permitted: Allowed modes for Target
Normal: Most common mode for Target
ACTUAL_MODE 5.2 RO
3: Auto
7: OOS
NA
PERMITTED_MODE 5.3 RW
3: Auto
7: OOS
3: Auto
7: OOS
NORMAL_MODE 5.4 RW
3: Auto
7: OOS
3: Auto
Block Error
BLOCK_ERR
6 RO
3: Simulate Jumper
Active
9: Memory Fail Bit
10: Static Memory
Failed
13:Maintenance
Needed Now
15: Out of Service
Dynamic
Data Type: Bit String
0 = Inactive
1 = Active
Error status associated with hardware or
software for the transducer block. When an error
is shown it may be broadcast to the host
through BLOCK_ALM.
Device State
RS_STATE
7 RO
4: Online
Actual Mode: Auto
5: Standby
Actual Mode: OOS
6: Failure
Actual Mode: OOS
4: Online
Data Type: Unsigned8
State of the function block application state
machine.
Test Read Write
TEST_RW
8 0
This parameter may be used in interoperability
testing to read and write all standard data types
supported by the Fieldbus Foundation.
DD Resource
DD_RESOURCE
9 RO Spaces
Data Type: Visible String
String identifying the VFD tag of the resource
that contains the Device Description for this
resource.
-Continued-