Valid Bitmap

These Registers hold the bit flags indicating whether the EPM device recognizes the lines in the Historical Log Settings Block (the block at Register 45205). The first bit represents the validity of the Data Pointer in the Historical Log Settings. A value of 1 means the Data Pointer is acceptable and can be stored. A value of 0 means that the Data Pointer is invalid or unrecognized and not able to be stored.

Max Records

2-byte unsigned integer representing the total number of records the log is capable of holding. In order to maintain a one-for-one relationship in parallel logs, the maximum number of records that a log can store is defined by the log that holds the fewest records. Logs capable of holding more records are restricted.

8.73: Historical Log 2 Snapshot Header (36929-36946)

Description: Historical Log 2 Snapshot Registers included in this block: The same as Log 1 above.

8.74: Limit Trigger Log Header (36993-37010)

Description: Limit Trigger Log Registers included in this block:

Valid Bitmap

These Registers hold the bit flags indicating whether the EPM device recognizes the lines in the Limit Settings Block (the block at Register 45077). The first bit represents the validity of the Data Pointer in the Limit Settings. A value of 1 means the Data Pointer is acceptable and can be stored. A value of 0 means that the Data Pointer is invalid or unrecognized and not able to be stored. Only 32 bits are used. See Registers 36865 to 36882 for other registers.

8.75: Limit Snapshot Log Header (37057-37074)

Description: Limit Snapshot Log Registers included in this block: See Registers 36865-36882 and 36993-37010.

8.76: Digital Input Log Header (37121-37138)

Description: Digital Input Log Registers included in this block: See Registers 36865-36882.

8.77: Digital Input Snapshot Log Header (37185-37202)

Description: Digital Input Snapshot Log Registers included in this block: See Regs. 36865-36882.

8.78: Digital Output Log Header (37249-37266)

Description: Digital Output Log Registers included in this block: See Registers 36865-36882.

8.79: Digital Output Snapshot Log Header (37313-37330)

Description: Digital Output Snapshot Log Registers included in this block: See Registers 36865- 36882.

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GE EPM 9650/9800 manual Historical Log 2 Snapshot Header, Limit Trigger Log Header, Limit Snapshot Log Header