User Manual Appendix B
GFK-1742F Jan 2020
DSM314 Communications Request Instructions 406
Parameter Data Start Pointer Offset (Word 10): This word contains the offset within the
memory type selected in the Parameter Data Memory Type parameter. Note: The
Parameter Data Pointer Offset is a zero-based number. In practical terms, this means that
you should subtract one from the address number that you wish to specify. For example, to
select %R0001 as the Parameter Data Start location, enter zero (1 – 1 = 0).
Or, to select %R0100, enter 99 (100 – 1 = 99). Note that the memory type, %R in this
example, is specified in the previous word.
Starting Parameter Number (Word 11): Specifies the number of the first parameter to be
loaded to the DSM Parameter Table. Valid values are 0 – 255. However, to load all 16
parameters, the value of Word 11 must be 240 or less.
Number of Parameters to Send (Word 12): This parameter must always be set to 16.
Parameter Data (Words 13 - 44): The size of this Parameter Data area depends on the value
in Word 12 (Number of Parameters to Send). Two words (4 bytes) of data are required for
each parameter. Since the valid number of Double Integer parameters is 1 through 16, the
Parameter Data area can be between 2 and 32 words.
COMM REQ Memory Type Codes: The codes in the following table are used in Word 3 (Status
Word Pointer Memory Type), and Word 9 (Parameter Data Memory Type).
Table 89: Parameter Load COMM REQ Memory Type Codes
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