13
7.7.2 FIFR, FIFRP Reading oldest data from tables . . . . . . . . . . . . . . . . . . . . . . . .419
7.7.3 FPOP, FPOPP Reading newest data from data tables . . . . . . . . . . . . . . . . . . .421
7.7.4 FDEL, FDELP Deletion of data from data tables . . . . . . . . . . . . . . . . . . . . . . .423
FINS, FINSP Insertion of data in data tables . . . . . . . . . . . . . . . . . . . . . . . . .423
7.8 Buffer memory access instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
7.8.1 FROM, FROMP Reading 1-word data from the intelligent function module . . . .426
DFRO, DFROP Reading 2-word data from the intelligent function module . . . .426
7.8.2 TO, TOP Writing 1-word data to the intelligent function module . . . . . . .428
DTO, DTOP Writing 2-word data to the intelligent function module . . . . . . .428
7.9 Display instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432
7.9.1 PR Print ASCII code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .432
7.9.2 PRC Print comment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .434
7.9.3 LEDR Error display and annunciator reset . . . . . . . . . . . . . . . . . . . . .437
7.10 Debugging and failure diagnosis instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440
7.10.1 CHKST, CHK Special format failure check . . . . . . . . . . . . . . . . . . . . . . . . . . .440
7.10.2 CHKCIR, CHKEND Changing check format of CHK . . . . . . . . . . . . . . . . . . . . . . . .444
7.11 Character string processing instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
7.11.1 BINDA, BINDAP Conversion from BIN 16-bit data to decimal ASCII . . . . . . . . .447
DBINDA, DBINDAP Conversion from BIN 32-bit data to decimal ASCII . . . . . . . . .447
7.11.2 BINHA, BINHAP Conversion from BIN 16-bit data to hexadecimal ASCII . . . . . .449
DBINHA, DBINHAP Conversion from BIN 32-bit data to hexadecimal ASCII . . . . . .449
7.11.3 BCDDA, BCDDAP Conversion from BCD 4-digit data to decimal ASCII data . . . .452
DBCDDA, DBCDDAP Conversion from BCD 8-digit data to decimal ASCII data . . . .452
7.11.4 DABIN, DABINP Conversion from decimal ASCII to BIN 16-bit data . . . . . . . . .455
DDABIN, DDABINP Conversion from decimal ASCII to BIN 32-bit data . . . . . . . . .455
7.11.5 HABIN, HABINP Conversion from hexadecimal ASCII to BIN 16-bit data . . . . . .457
DHABIN, DHABINP Conversion from hexadecimal ASCII to BIN 32-bit data . . . . . .457
7.11.6 DABCD, DABCDP Conversion from decimal ASCII to BCD 4-digit data . . . . . . . .459
DDABCD, DDABCDP Conversion from decimal ASCII to BCD 8-digit data . . . . . . . .459
7.11.7 COMRD, COMRDP Reading device comment data . . . . . . . . . . . . . . . . . . . . . . . . .461
7.11.8 LEN, LENP Character string length detection . . . . . . . . . . . . . . . . . . . . . . .463
7.11.9 STR, STRP Conversion from BIN 16-bit data to character string . . . . . . . .465
DSTR, DSTRP Conversion from BIN 32-bit data to character string . . . . . . . .465
7.11.10 VAL, VALP Conversion from character string to BIN 16-bit data . . . . . . . .469
DVAL, DVALP Conversion from character string to BIN 32-bit data . . . . . . . .469
7.11.11 ESTR, ESTRP Conversion from floating-point data to character string data . .472
7.11.12 EVAL, EVALP Conversion from character string to floating-point data . . . . . .477
7.11.13 ASC, ASCP Conversion from hexadecimal BIN to ASCII . . . . . . . . . . . . . . .481
7.11.14 HEX, HEXP Conversion from ASCII to hexadecimal BIN . . . . . . . . . . . . . . .483
7.11.15 RIGHT, RIGHTP Extracting character string data from the right . . . . . . . . . . . . .485
LEFT, LEFTP Extracting character string data from the left . . . . . . . . . . . . . .485
7.11.16 MIDR, MIDRP Random selection from character strings . . . . . . . . . . . . . . . . .487
MIDW, MIDWP Random replacement in character strings . . . . . . . . . . . . . . . .487
7.11.17 INSTR, INSTRP Character string search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .491
7.11.18 STRINS, STRINSP Insertion of character string . . . . . . . . . . . . . . . . . . . . . . . . . . .492
7.11.19 STRDEL, STRDELP Deletion of character string . . . . . . . . . . . . . . . . . . . . . . . . . . . .494
7.11.20 EMOD, EMODP Floating-point data to BCD . . . . . . . . . . . . . . . . . . . . . . . . . . . .496
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