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_ADI |
The block's alarm areas. |
N/A. This field is provided for backward compatibility. |
A_ALMEXT1 |
The text entered in the block's 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_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_AUTO |
The current automatic/manual status of the block. |
Automatic (1) or Manual (0). |
A_CHALM |
The chain's most severe alarm. |
N/A. This is a display only field. |
A_CLOSE |
The first seven characters of the block's close label. |
N/A. This field is provided for backward compatibility. |
A_CLOSEDESC |
Text in the block's Close field. |
Up to 16 characters. |
A_COLD |
The initial value the block outputs on startup. |
A numeric value within the EGU range. |
A_CUALM |
The block's current alarm. |
N/A. This is a display only field. |
A_CV |
The block's 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 block's Description field. |
Up to 256 characters. |
A_ENAB |
The block's 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_EVENT |
The initial event messaging status. |
Enable or Disable. |
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. |
N/A. This is a display only field. |
A_INV |
Yes, if the block inverts its output value or |
Yes or No. |
A_IOAD |
The block's I/O address. |
Depends on your driver. Refer to your driver manual for more information. |
A_IODV |
The name of the block's I/O driver. |
Depends on your driver. Refer to your driver manual for more information. |
A_IOHT |
The I/O driver's hardware options. |
Depends on your driver. Refer to your driver manual for more information. |
A_IOSC |
The type of signal conditioning used by the block. |
Depends on your driver. Refer to your driver manual for more information. |
A_LAALM |
The block's most severe unacknowledged alarm. If no unacknowledged alarm exists, the current alarm is displayed. |
N/A. This is a display only field. |
A_NALM |
Yes or 1, if the block has unacknowledged alarms or
|
N/A. This is a display only field. |
A_NAME |
The block's 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. |
N/A. This is a write only field. |
A_NEXT |
The name of the next block in the chain. |
N/A. This is a display only field. |
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_OPEN |
The first seven characters of the block's open label. |
N/A. This field is provided for backward compatibility. |
A_OPENDESC |
Text in the block's Open field. |
Up to 16 characters. |
A_PREV |
The name of the previous block in the chain. |
N/A. This is a display only field. |
A_PRI |
The block's alarm priority. |
Low, Medium, or High. |
A_PRIM |
The block's name. |
N/A. This is a display only field. |
A_SA1 |
The security areas assigned to the block. |
Up to three security area names. |
A_SCAN |
The on/off scan status of the block. |
On or Off. |
A_SCANT |
The block's scan time and phase. |
E for exception-based processing, 0 for one shot processing, or time:phase for time-based processing. |
A_TAG |
The block's name. |
N/A. This is a display only field. |
A_WARM |
Yes or No. |
N/A. This is a display only field. |
A_WRITEONDIFF |
Sets whether writes are prevented by the DO block if the value in the driver is the same as the value that is to be written. When enabled, the DO block will read the bit from the driver and if different, execute the write. If the values are the same, no value is written on this scan. |
Yes (1) or No (0). |
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. |