User manual OMRON CQM1H-CPU PROGRAM MANUAL

[. . . ] W364-E1-05 SYSMAC CQM1H Series CQM1H-CPU@ Inner Boards PROGRAMMING MANUAL SYSMAC CQM1H Series CQM1H-CPU@ Inner Boards Programming Manual Revised September 2007 iv Notice: OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. [. . . ] When the execution condition is ON, CMPL(60) joins the 4-digit hexadecimal content of Cp1+1 with that of Cp1, and that of Cp2+1 with that of Cp2 to create two 8digit hexadecimal numbers, Cp+1, Cp1 and Cp2+1, Cp2. The two 8-digit numbers are then compared and the result is output to the GR, EQ, and LE flags in the SR area. Placing other instructions between CMPL(60) and the operation which accesses the EQ, LE, and GR flags may change the status of these flags. Be sure to access them before the desired status is changed. Precautions 284 Comparison Instructions Flags ER: Section 5-19 Indirectly addressed EM/DM word is non-existent. (Content of *EM/*DM word is not BCD, or the EM/DM area boundary has been exceeded. ) ON if Cp1+1, Cp1 is greater than Cp2+1, Cp2. ON if Cp1+1, Cp1 is less than Cp2+1, Cp2. GR: EQ: LE: Example: Saving CMPL(60) Results The following example shows how to save the comparison result immediately. If the content of HR 10, HR 09 is greater than that of 011, 010, then 10000 is turned ON; if the two contents are equal, 10001 is turned ON; if content of HR 10, HR 09 is less than that of 011, 010, then 10002 is turned ON. In some applications, only one of the three OUTs would be necessary, making the use of TR 0 unnecessary. With this type of programming, 10000, 10001, and 10002 are changed only when CMPL(60) is executed. Address Instruction CMPL(60) HR 09 010 --- 00000 TR 0 Operands 00000 0 09 010 25505 10000 0 25506 10001 0 25507 10002 00000 00001 00002 LD OUT CMPL(60) TR HR 25505 10000 Greater Than 25506 10001 Equal 25507 10002 Less Than 00003 00004 00005 00006 00007 00008 00009 00010 AND OUT LD AND OUT LD AND OUT TR TR 5-19-5 MULTI-WORD COMPARE ­ MCMP(19) Operand Data Areas Ladder Symbols MCMP(19) TB1 TB2 R @MCMP(19) TB1 TB2 R TB1: First word of table 1 IR, SR, AR, DM, EM, HR, TIM/CNT, LR TB2: First word of table 2 IR, SR, AR, DM, EM, HR, TIM/CNT, LR R: Result word IR, SR, AR, DM, EM, HR, TIM/CNT, LR Limitations TB1 and TB1+15 must be in the same data area. TB2 and TB2+15 must be in the same data area. DM 6144 to DM 6655 cannot be used for R. Description When the execution condition is OFF, MCMP(19) is not executed. When the execution condition is ON, MCMP(19) compares the content of TB1 to TB2, TB1+1 to TB2+1, TB1+2 to TB2+2, . . . , and TB1+15 to TB2+15. If the first pair is equal, the first bit in R is turned OFF, etc. , i. e. , if the content of TB1 equals the content of TB2, bit 00 is turned OFF, if the content of TB1+1 equals the content of TB2+1, bit 01 is turned OFF, etc. The rest of the bits in R will be turned ON. 285 Comparison Instructions Flags ER: Section 5-19 One of the tables (i. e. , TB1 through TB1+15, or TB2 through TB2+15) exceeds the data area. Indirectly addressed EM/DM word is non-existent. (Content of *EM/*DM word is not BCD, or the EM/DM area boundary has been exceeded. ) EQ: ON if the entire contents of both tables are equal and R=0000. Example The following example shows the comparisons made and the results provided for MCMP(19). Here, the comparison is made during each cycle when 00000 is ON. MCMP(19) 100 DM 0200 DM 0300 00000 Address Instruction 00000 00001 LD MCMP(19) Operands 00000 100 0200 0300 DM DM TB1: IR 100 IR 100 IR 101 IR 102 IR 103 IR 104 IR 105 IR 106 IR 107 IR 108 IR 109 IR 110 IR 111 IR 112 IR 113 IR 114 IR 115 0100 0200 0210 ABCD ABCD ABCD ABCD 0800 0900 1000 ABCD ABCD ABCD 1400 0210 1212 TB2: DM 0200 DM 0200 DM 0201 DM 0202 DM 0203 DM 0204 DM 0205 DM 0206 DM 0207 DM 0208 DM 0209 DM 0210 DM 0211 DM 0212 DM 0213 DM 0214 DM 0215 0100 0200 0210 0400 0500 0600 0700 0800 0900 1000 0210 1200 1300 1400 0210 1600 R: DM 0300 DM 030000 DM 030001 DM 030002 DM 030003 DM 030004 DM 030005 DM 030006 DM 030007 DM 030008 DM 030009 DM 030010 DM 030011 DM 030012 DM 030013 DM 030014 DM 030015 0 0 0 1 1 1 1 0 0 0 1 1 1 0 0 1 5-19-6 SIGNED BINARY COMPARE ­ CPS(­­) Ladder Symbols CPS(--) Cp1 Cp2: Second compare word Cp2 000 IR, SR, AR, DM, EM, HR, TIM/CNT, LR, # 000 Not used. Set to 000. Operand Data Areas Cp1: First compare word IR, SR, AR, DM, EM, HR, TIM/CNT, LR, # Description When the execution condition is OFF, CPS(­­) is not executed. When the execution condition is ON, CPS(­­) compares the 16-bit (4-digit) signed binary contents in Cp1 and Cp2 and outputs the result to the GR, EQ, and LE flags in the SR area. 286 Comparison Instructions Precautions Section 5-19 Placing other instructions between CPS(­­) and the operation which accesses the EQ, LE, and GR flags may change the status of these flags. Be sure to access them before the desired status is changed. ER: Indirectly addressed EM/DM word is non-existent. (Content of *EM/*DM word is not BCD, or the EM/DM area boundary has been exceeded. ) ON if Cp1 equals Cp2. [. . . ] Page 195: New section added on indirect addressing. Pages 225, 229, and 230: Note added on set values. Pages 245 and 285: Note added on stopping pulse outputs. Page 246: Port specifier values corrected. [. . . ]