Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 272)

API Library of Routines
Appendix B
BASIC Function Codes
B-141
The following Table B.B lists the BASIC function codes.
Table B.B
BASIC Function Codes
Function Name Function
Number
Description
CC_INIT 0 Initialize Control Coprocessor library
DTL_INIT 1 Initialize DTL library
DTL_C_DEFINE 2 Define a DTL data definition
DTL_UNDEF 3 UnĆdefine a DTL data definition
DTL_DEF_AVAIL 4 Determine DTL definitions available
DTL_READ_W 5 Read data from the PLC
DTL_WRITE_W 6 Write data to the PLC
DTL_RMW_W 7 Perform read/modify/write on data
DTL_GET_WORD 8 Get a word from a byte array
DTL_GET_FLT 9 Get a floating point from a byte array
DTL_GET_3BCD 10 Convert a 3 digit BCD value to binary
DTL_GET_4BCD 11 Convert a 4 digit BCD value to binary
DTL_PUT_WORD 12 Put a word to a byte array
DTL_PUT_FLT 13 Put a floating point to a byte array
DTL_PUT_3BCD 14 Convert binary to 3 digit BCD
DTL_PUT_4BCD 15 Convert binary 4 digit BCD
DTL_SIZE 16 Get size of memory to store data item
DTL_TYPE 17 Get data type of Coprocessor data item
DTL_CLOCK 18 Set coprocessor clock to PLC clock
DTL_READ_W_IDX 20 Read any element from PLC data file
DTL_WRITE_W_IDX 21 Write any element to PLC data file
DTL_RMW_W_IDX 22 Read/modify/write any element from PLC file
BPI_DISCRETE 32 Get/Set discrete I/O word
BPI_WRITE 33 Allow Block Transfer Read
BPI_READ 34 Allow Block Transfer Write
MSG_READ_W_HANDLER 40 Initiate and process message read
MSG_READ_HANDLER 41 Initiate message read processing
MSG_WRITE_W_HANDLER 42 Initiate and process message write
MSG_WRITE_HANDLER 43 Initiate message write processing
MSG_CLR_MASK 44 Clear bit in the read/write masks
MSG_SET_MASK 45 Set bit in the read/write masks
MSG_TST_MASK 46 Test bit in the read/write masks
MSG_ZERO_MASK 47 Zero all bits in the read/write masks
MSG_WAIT 48 Wait for I/O completion of message
BASIC Function Codes