Transducer Block
December 2009
4-45
Table 4-13. Transducer Block Parameter Definitions (Continued)
Label
PARAMETER_NAME
Description
Protect
Category
Initial ValueRangeMode
RO /
RW
Index
Number
TRAVEL
34
Data Type: DS-65
In Travel Control:
Actual valve
travel in % of calibrated travel
range.
In Pressure Control:
Implied valve
travel in % of pressure range.
Controls AI channel 4.
Travel Status
STATUS
34.1 RO N/A N/A
Travel
VALUE
34.2 RO N/A N/A
SUPPLY_PRESSURE
35
Data Type: DS-65
STATUS indicates the validity of
VALUE. VALUE is pressure of air
supply, controls AI channel 5.
Supply Pressure Status
STATUS
35.1 RO N/A N/A
Supply Pressure
VALUE
35.2 RO N/A N/A
PRESSURE_A
36
Data Type: DS-65
STATUS Indicates the validity of
VALUE.
Pressure of primary air output,
controls AI channel 6.
Pressure A Status
STATUS
36.1 RO N/A N/A
Pressure A
VALUE
36.2 RO N/A N/A
PRESSURE_B
37
Data Type: DS-65
STATUS indicates the validity of
VALUE. VALUE is the
Pressure on secondary output,
controls AI channel 7.
Pressure B Status
STATUS
37.1 RO N/A N/A
Pressure B
VALUE
37.2 RO N/A N/A
PRESSURE_DIFF
38
Data Type: DS-65
STATUS indicates the validity of
VALUE. VALUE is the difference
between PRESSURE_A and
PRESSURE_B, controls AI channel
8.
Pressure Differential Status
STATUS
38.1 RO N/A N/A
Pressure Differential
VALUE
38.2 RO N/A N/A
PWA Simulate
PWA_SIMULATE
39
RO
or
RW*
ALL
1=Simulate Off
2=Simulate Enabled
1=Simulate Off ALL
Data Type: Enum (Uint8)
When this is set to 2 all the alert
ACTIVE parameters can be written,
except for INST_ALERTS_ACTIVE.
SHUTDOWN_ALERT_ACTIVE.
This allows alerts to be simulated
for testing with hosts. NOTE: only
ACTIVE parameters are affected by
this. * PWA Simulate is RW only if a
jumper is installed across the Aux
Terminal. If no jumpered is installed
across the Aux Terminal, PWA
Simulate is RO.
Grant Deny
GRANT_DENY
40
GRANT 40.1 RW ALL
0: Program
1: Tune
2: Alarm
3: Local
all bits cleared NONE
Data Type: DS-50
Options for controlling access of
host computer and local control
panels to operating, tuning, and
alarm parameters of the block. Has
no effect on the DVC6000f.
GRANT: 0=N/A, 1= granted
DENY: 0=N/A, 1= denied
DENY 40.2 RW ALL all bits cleared NONE
Travel Pressure Control
TVL_PRESS_CONTROL
41
Travel/Pressure Select
TVL_PRESS_SELECT
41.1 RW ALL
1=Travel
2=Pressure
3=TVL/PRESS Auto
Recv
4=TVL/PRESS Man
Recv
1=Travel SETUP
Data Type: Enum (Uint8)
Selects whether travel sensor or
port A pressure is used for
feedback.
Travel/Pressure State
TVL_PRESS_STATE
41.2 RO N/A
1=Travel
2=Pressure
N/A
Data Type: Enum (Uint8)
Indicates which sensor is used for
feedback
−Continued−
4
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