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Reference Manual
00809-0200-4101, Rev AA
July 2008
C-7
Rosemount 2051
Parameters and
Descriptions
The table below lists all of the configurable parameters of the Resource Block,
including the descriptions and index numbers for each.
Parameter
Index
Number
Description
ACK_OPTION 38 Selection of whether alarms associated with the function block will be
automatically acknowledged.
ALARM_SUM 37 The current alert status, unacknowledged states, unreported states, and disabled states
of the alarms associated with the function block.
ALERT_KEY 04 The identification number of the plant unit.
BLOCK_ALM 36 The block alarm is used for all configuration, hardware, connection failure or system
problems in the block. The cause of the alert is entered in the subcode field. The first alert
to become active will set the Active status in the Status parameter. As soon as the
Unreported status is cleared by the alert reporting task, another block alert may be
reported without clearing the Active status, if the subcode has changed.
BLOCK_ERR 06 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.
CONFIRM_TIME 33 The time between retries of alert reports.
CYCLE_SEL 20 Used to select the block execution method for this resource. The 2051 supports the
following:
Scheduled: Blocks are only executed based on the function block schedule.
Block Execution: A block may be executed by linking to another blocks completion.
CYCLE_TYPE 19 Identifies the block execution methods available for this resource.
DD_RESOURCE 09 String identifying the tag of the resource which contains the Device Description for
this resource.
DD_REV 13 Revision of the DD associated with the resource - used by an interface device to locate
the DD file for the resource.
define_write_lock 60 Enumerated value describing the implementation of the WRITE_LOCK.
detailed_status 55 Indicateds the state of the transmitter. See Resource Block detailed status codes.
DEV_REV 12 Manufacturer revision number associated with the resource - used by an interface device
to locate the DD file for the resource.
DEV_TYPE 11 Manufacturer’s model number associated with the resource - used by interface devices to
locate the DD file for the resource.
download_mode 67 Gives access to the boot block code for over-the-wire downloads.
0 = Uninitialized
1 = Run mode
2 = Download mode
DRAIN_VENT_MAT 75 Type of material of the drain vents on the flange. See drain vent material codes.
2 = 316 Stainless Steel
3 = Hastelloy C
™
4 = Monel
251 = None
252 = "Unknown"
253 = "Special"
FEATURES 17 Used to shows supported resource block options.
FEATURES_SEL 18 Used to show selected resource block options. The 2051 supports the following:
Unicode: Tells host to use unicode for string values
Reports: Enables alarms. Must be set for alarming to work
Software Lock: Software write locking enabled but not active. WRITE_LOCK must be set
to activate.
Hardware Lock: Hardware write locking enabled but not active. WRITE_LOCK follows the
status of the security switch.
final_assembly_number 49 Final Assembly Number is placed on the neck label.