Section 2 NS Series Functions 2-4 System Memory
2-40
NS Series Programming Manual
34 (22): Before Inputting Numeral and String
35 (23): Before Writing Numeral and String
37 (25): When Changing Numeral or String
38 (26): When selecting a list
48 (30): When pressing a Display Area
49 (31): When selecting an Alarm/Event
Note: The values inside parentheses ( ) are binary.
Index ($SW27 to $SW36)
$SW27 to $SW36 store index numbers. Each of the index numbers correspond to I0 to I9 set using
address input. (Stored in BCD or binary.)
If an illegal value is set in BCD as the index number (e.g., AAAAh) when stored in BCD, the index will
operate as index 0. (Values between –999 and 9999 (BCD) or between –32768 and 32767 (binary) can
be specified as index values.)
Data Log Group Number ($SW37)
$SW37 stores a data log group number (Stored in BCD or binary.). When $SB35 (Initialize Data Log)
or $SB36 (Save Data Log) is turned ON, the data log for the group number stored in $SW37 is either
initialized or saved.
When the data logs for all groups are initialized or saved, “0” is stored in $SW37.
Data Block Error Number ($SW38)
The numbers of any errors that occur during command button – data block control execution are stored
in $SW38 (in BCD or binary).
0 (0): Normal end
10 (A): The specified group number does not exist, i.e., the specified number is not between 1 and
100 or the specified number between 1 and 100 has not been registered.
11 (B): The specified record number does not exist, i.e., the specified number is not between 0 and
999 (exceeds the maximum number of records per group) or data has not been registered for
the specified number between 0 and 999.
12 (C): An attempt was made to insert data into a file for which the set number of records for that
group have already been registered.
13 (D): The file does not exist in the specified location or it cannot be opened.
14 (E): A CSV file cannot be created to save the data.
15 (F): A write error (e.g., insufficient space) occurred when writing the CSV file.
16 (10): A communications error occurs when writing or reading the communications address.
17 (11): The sum of the specified beginning address in PT memory and the record size exceeds
$W32767.
18 (12): Memory cannot be acquired for reading or writing.
Note: The values inside parentheses ( ) are binary.
Authentication Level ($SW39)
If passwords are being used with the password level function, the current authentication level is con-
tained in $SB39. When the authentication is cleared, $SW39 will contain 0. Use this word to display
the authentication level or check the authentication level from the host.
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