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DHP-UM-013
Val Controls A/S
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Limfjordsvej 3
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DK-6715 Esbjerg N
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Tel. +45 7547 0600
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Fax +45 7547 0611
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www.valcontrols.com
Revision: 4
17/58
6
Appendix – Function Blocks Description
6.1
Appendix - Resource (RB2) Block
Resource (RB2) Block
Label / Name /
Handling
Group
Idx
rel.
Description / Format
ST_REV
[Others]
1
Length: 2 bytes
Read Only
Value: 0 – initial value
Description: The revision level of the static data
associated with the function block. The revision
value will be incremented each time a static
parameter value in the block is changed
TAG_DESC
[Process]
2
Length: 32 bytes
Value: “ “
Description: The user description of the intended
application of the block.
STRATEGY
[Others]
3
Length: 2 bytes
Value: 0
Description: The strategy field can be used to
identify grouping of block. This data is not
checked or processed by the block
ALERT_KEY
[Alarms]
4
Length: 1 byte
MODE_BLK
[Process]
[Diagnostic]
5
Length: 4 bytes
1:Target – Value: OOS
2:Actual –Value: OOS
3:Permitted – Value: Auto | OOS
4:Normal – Value: Auto
Description: The actual target permitted and
normal modes of the block.
Target: This is the mode requested by the
operator. Only one mode from those allowed by
the permitted mode parameter may be requested.
Actual: This is the current mode of the block
which may differ from the target based on
operating conditions. Its value is calculated as a
par of block execution
Permitted: Defines the modes which are allowed
for an interface of the block. The permitted mode