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5.3.Server Side Map Descriptors
5.3.1.FieldServer Specific Map Descriptor Parameters
Column Title | Function | Legal Values | |
Map_Descriptor_Name | Name of this Map Descriptor | Up to 32 alphanumeric | |
characters | |||
|
| ||
Data_Array_Name | Name of Data Array where | One of the Data Array names | |
data is to be stored in the | from “Data Array” section | ||
| FieldServer | above | |
Data_Array_Location | Starting location in Data Array | 0 to maximum specified in | |
“Data Array” section above | |||
|
| ||
Function | Map Descriptor function | Passive |
5.3.2.Driver Specific Map Descriptor Parameters
Column Title | Function | Legal Values | |
|
| One of the node | |
Node_Name | Name of Node to fetch data from | names specified in | |
“Server Node | |||
|
| ||
|
| Descriptor” above | |
Data_Type | This commonly used parameter is not required | for this driver. | |
| Length of Map Descriptor. When reading a |
| |
Length | compete table, set the length to the maximum | 1 – 1000 | |
| number of data values to be stored. Refer to |
| |
| 1.1. |
| |
Address | This commonly used parameter is not required | for this driver. | |
| The name of the table to be polled, e.g. | ASCII characters | |
| DISPLAY. Some system elements have | ||
| only. When using | ||
| multiple instances of the same table name, | ||
| this parameter to | ||
| e.g. the Terminal System Manager has 64 | ||
Table_Name | specify a primary | ||
Temperature Zone configuration tables | |||
and secondary table, | |||
| named TZONE1 though TZONE64. These | ||
| leave a single space | ||
| tables are accessed by using both the | ||
| between the two | ||
| primary & secondary table names, e.g. | ||
| names. | ||
| ‘TZCONF TZONE1’ | ||
|
| ||
|
| ASCII characters | |
Field_Name | This is the field/table variable pneumonic. | only. No spaces, | |
maximum length 10 | |||
|
| ||
|
| characters. | |
Field_Description | Returned when a client does a table read. If | ASCII string which | |
| units have no meaning for the variable then | may contain spaces. | |
Field_Units | |||
leave this field blank or use a single dash. | |||
| |||
|
|
| |
| If the variable has a discrete state, use this | NUMERIC | |
| parameter to define the word that describes | TIME | |
On_String | the state when the variable’s value is 1. | STRING | |
OR | DOW | ||
| Use one of the keywords to tell the driver to | Or any other ASCII | |
| send the value of the associated array | string which may not | |
| elements as a number (keyword=NUMERIC), | contain spaces. |
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