The following table lists the fields available for this block, what each field displays, as well as the valid entries for each field in the list.
The field... |
Displays... |
Valid Entry |
A_A1R |
Whether an alarm occurred for the N Point Alarm on RBAR value. |
Yes or No. |
A_A1X |
Whether an alarm occurred for the N Point Control Limit Alarm on XBAR value. |
Yes or No. |
A_A3X |
Whether an alarm occurred for the N Point Warning Limit Alarm on XBAR value. |
Yes or No. |
A_ADI |
The blocks alarm areas. |
N/A. This field is provided for backward compatibility. |
A_ALMEXT1 |
The text entered in the blocks alarm extension fields. |
Up to 79 characters. |
A_ALMINTIME |
The time and date at which the block generated the alarm. |
N/A. This is a display only field. |
A_ALMLASTTIME |
The time and date at which the block last generated an alarm. |
N/A. This is a display only field. |
A_ALMOCCUR |
The number of times a block goes in and out of alarm before it is acknowledged. |
N/A. This is a display only field. |
A_ALMSHELFREMTIME F_ALMSHELFREMTIME |
The remaining time left for a shelved alarm. | N/A. This is a display only field. |
A_ALMSHELVED F_ALMSHELVED |
Indicates whether a specified alarm is shelved (YES/NO). | N/A. This is a display only field. |
A_ALMSHELVEPOLICY |
The name of alarm shelving policy. | N/A. This is a display only field. |
A_ALMSHLVENAB F_ALMSHLVENAB |
Defines whether alarm shelving is enabled (YES/NO) for a block. | N/A. This is a display only field. |
A_IALMSHLVENAB F_IALMSHLVENAB |
The initial alarm shelving status (ENABLE/DISABLE) for a block. | N/A. This is a display only field. |
A_ALMSN |
The serial number of the alarm area database. |
N/A. This is a display only field. |
A_AREA1 through A_AREA15 |
The alarm areas assigned to the block. |
ALL or an alarm area name. |
A_ASD |
Whether an alarm occurred for the N Point Alarm on SBAR value. |
Yes or No. |
A_ASP |
Whether an alarm occurred for the N Point Specification Limit on XBAR alarm. |
Yes or No. |
A_AUTO |
The current automatic/manual status of the block. |
Automatic (1) or Manual (0). |
A_AUTOX |
Whether the block recalculates XBARBAR, RBAR, and SBAR values after startup. |
STARTUP, ALWAYS, or NEVER. |
A_CGRP |
The current number of group collected. |
12 to 50. |
A_CHALM |
The chains most severe alarm. |
N/A. This is a display only field. |
A_COBS |
The current number of observations. |
1 to 25. |
A_CPK |
The blocks process capability index. |
N/A. This is a display only field. |
A_CRITX |
The value of the N Point Critical Runs on XBAR alarm. |
A numeric value. |
A_CRX |
Whether an alarm occurred for the N Point Critical Runs on XBAR alarm. |
Yes or No. |
A_CTLR |
The value of the N Point Alarm on RBAR limit. |
A numeric value. |
A_CTLS |
The value of the N Point Alarm on SBAR limit. |
A numeric value. |
A_CTLX |
The value of the N Control Limit Alarm on XBAR limit. |
A numeric value. |
A_CUALM |
The blocks current alarm. |
N/A. This is a display only field. |
A_CV |
The blocks current value. |
A numeric value within the EGU range. |
A_DALM |
Whether to delete alarm from summary queue after acknowledgment. |
0 (false) or 1 (true). |
A_DESC |
The text in the blocks Description field. |
Up to 256 characters. |
A_EA1R |
Whether the N Point Alarm on RBAR limit is enabled. |
Yes or No. |
A_EA1X |
Whether the N Point Control Limit Alarm on XBAR limit is enabled. |
Yes or No. |
A_EA3X |
Whether the N Point Warning Limit Alarm on XBAR limit is enabled. |
Yes or No. |
A_EASD |
Whether the N Point Alarm on SBAR limit is enabled. |
Yes or No. |
A_EASP |
Whether the N Point Specification Limit Alarm on XBAR limit is enabled. |
Yes or No. |
A_ECRX |
Whether the N Point Critical Runs on XBAR alarm is enabled. |
Yes or No. |
A_EGUDESC |
The blocks engineering units label. |
Up to 33 characters. |
A_EHI |
The blocks high EGU limit. |
A numeric value. The range between the low and high values value cannot exceed 3.40282300000000e+38. |
A_ELO |
The blocks low EGU limit. |
A numeric value. The range between the low and high values value cannot exceed 3.40282300000000e+38. |
A_ELRX |
Whether the Length of Runs Alarm is enabled. |
Yes or No. |
A_ENAB |
The blocks alarm status. |
Enable: Yes (1), or Disable: No (0). |
A_ESIGACK |
Whether operators are allowed to acknowledge alarms for this tag without entering a signature, even if this tag requires electronic signatures for data entry. |
Yes or No. |
A_ESIGCONT |
If allow continuous use is enabled for this tag. |
Yes or No. |
A_ESIGREQ_COMMENT F_ESIGREQ_COMMENT |
A comment is required when using an electronic signature. |
Enable: Yes (1), or Disable: No (0). |
A_ESIGTRAP |
Whether unsigned writes are accepted or rejected by this tag or accepted and logged. |
ACCEPT, LOG, REJECT. |
A_ESIGTYPE |
The signing requirements for this tag. |
None, PERFONLY, or PERFVERI. |
A_ETAG |
The first four characters of the blocks engineering units label. |
N/A. This field is provided for backward compatibility. |
A_ETRX |
Whether the Trend of Run Alarm is enabled. |
Yes or No. |
A_EVENT |
The initial event messaging status. |
N/A. This is a display only field. |
A_FCOMP |
The forced computation of the control limits. |
DONE |
A_GET1 |
The name of the block that the Statistical Data uses as its input. |
A block name. |
A_HIST_COLLECT |
Sets whether or not this block is under collection. |
Yes (1) or No (0). |
A_HIST_COMPRESS |
Sets whether or not compression is used by the Collector. |
Enable (1) or Disable (0). |
A_HIST_COMPTIME |
The Collector compression time out. |
A positive numeric value (0 or greater), in milliseconds. |
A_HIST_COMPTYPE |
The type of Collector deadband setting. |
Absolute (0) or Percentage (1). |
A_HIST_DEADBAND |
The Collector deadband setting. |
A positive numeric value (0 or greater). |
A_HIST_DESC |
The Proficy Historian description. |
String; maximum of 128 characters. |
A_HIST_INTERVAL |
The collection interval for this block. The value of this field must be greater than the value of the A_HIST_OFFSET and F_HIST_OFFSET fields. Use the following formula to determine if the entered value is acceptable for this field. A_/F_HIST_INTERVAL > A_/F_HIST_OFFSET * 1000 NOTE: The values for the A_HIST_OFFSET and F_HIST_OFFSET fields are in seconds. |
A float value, in milliseconds. Values must be entered in increments of 100. Minimum value: 100 ms. |
A_HIST_OFFSET |
The block's collection offset time.The value of this field must be less than or equal to the value of the A_HIST_INTERVAL and F_HIST_INTERVAL fields. Use the following formula to determine if the entered value is acceptable for this field. A_/F_HIST_OFFSET ≤ A_/F_HIST_INTERVAL / 1000 NOTE: The values for the A_HIST_INTERVAL and F_HIST_INTERVAL fields are in milliseconds. |
A numeric value, in seconds. Must use whole numbers. |
A_HIST_TIMERES |
The collection time resolution. |
Milliseconds (0) or Seconds (1). |
A_IAM |
The initial Automatic/Manual status of the block. |
Automatic or Manual. |
A_IENAB |
The initial alarm status. |
N/A. This is a display only field. |
A_ISCAN |
The initial scan status (on or off) of the block. |
On or Off. |
A_LAALM |
The blocks most severe unacknowledged alarm. If no unacknowledged alarm exists, the current alarm is displayed. |
N/A. This is a display only field. |
A_LCALC |
Whether the block recalculates control limit (XBAR, R, and S) values after startup. |
STARTUP, ALWAYS, or NEVER. |
A_LCLR |
The R value lower control limit. |
A numeric value. |
A_LCLS |
The S value lower control limit. |
A numeric value. |
A_LCLX |
The X value lower control limit. |
A numeric value. |
A_LRX |
Whether an alarm occurred for the Length of Runs Alarm. |
Yes or No. |
A_LSLX |
The blocks lower specification limit. |
A numeric value. |
A_LWLX |
The blocks lower warning limit. |
A numeric value. |
A_NALM |
Yes or 1, if the block has unacknowledged alarms or
|
N/A. This is a display only field. |
A_NAME |
The blocks type, for example AI for an Analog Input block. |
N/A. This is a display only field. |
A_NAREA |
Enters a new alarm area in the alarm area database. |
|
A_NEXT |
The name of the next block in the chain. |
N/A. This is a display only field. |
A_NGRP |
The total number of groups to collect before calculating limits. |
1 to 25. |
A_NOBS |
The total number of observations per group. |
12 to 520. |
A_OPCLIMIT |
The hardware options of the OPC server. |
N/A. This is a display only field. |
A_OPCQLTY |
The quality status of the OPC server. |
N/A. This is a display only field. |
A_OPCSUBSTAT |
The quality substatus of the OPC server. |
N/A. This is a display only field. |
A_OPCTIME |
The time and date from the OPC server. |
N/A. This is a display only field. |
A_PREV |
The name of the previous block in the chain. |
N/A. This is a display only field. |
A_PRI |
The blocks alarm priority. |
Low, Medium, or High. |
A_PRIM |
The blocks name. |
N/A. This is a display only field. |
A_R |
The previous groups R value. |
A numeric value. |
A_RBAR |
The blocks RBAR value. |
A numeric value. |
A_RUNX |
The value of the Length of Runs Alarm. |
A numeric value. |
A_S |
The previous groups S value. |
A numeric value. |
A_SA1 |
The security areas assigned to the block. |
Up to three security area names. |
A_SBAR |
The average standard deviation. |
A numeric value. |
A_SCAN |
The on/off scan status of the block. |
On or Off. |
A_SCANT |
The blocks scan time and phase. |
E for exception-based processing, 0 for one shot processing, or time:phase for time-based processing. |
A_SDEV |
The standard deviation. |
A numeric value. |
A_SPECX |
The value of the N Point Specification Limit Alarm on XBAR limit. |
A numeric value. |
A_SQ |
The name of a digital block that controls when to sample input values. |
A block name. |
A_TAG |
The blocks name. |
N/A. This is a display only field. |
A_TRNDX |
The value of the Trend of Runs Alarm. |
A numeric value. |
A_TRX |
Whether an alarm occurred for the Trend of Runs Alarm. |
Yes or No. |
A_UCLR |
The R value upper control limit. |
A numeric value. |
A_UCLS |
The S value upper control limit. |
A numeric value. |
A_UCLX |
The X value upper control limit. |
A numeric value. |
A_USLX |
The blocks upper specification limit. |
A numeric value. |
A_UWLX |
The blocks upper warning limit. |
A numeric value. |
A_WAIT |
The time that the block waits between collecting data between groups. |
0 to 32767 seconds. |
A_WARM |
Yes or No. |
N/A. This is a display only field. |
A_WARNX |
The value of the N Point Warning Limit Alarm on XBAR limit. |
A numeric value. |
A_XBAR |
The previous groups XBAR value. |
A numeric value. |
A_XBB |
The XBARBAR value. |
A numeric value. |
A_ALMACK |
Reserved for future use. |
|
A_ALMCHANGE |
Reserved for future use. |
|
A_ALMDELETE |
Reserved for future use. |
|
A_ALMGEN |
Reserved for future use. |
|
A_ALMRESET |
Reserved for future use. |
|
A_ALMUPDATE |
Reserved for future use. |
|
A_PUBLISH |
Reserved for future use. |
|
A_WRITABLE |
Reserved for future use. |