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CJ2 CPU Unit Software User's Manual - CIP ETI

CJ2 CPU Unit Software User's Manual - CIP ETI

CJ2 CPU Unit Software User's Manual - CIP ETI

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AppendicesInstruction Mnemonic FUN No.PCU HIGH-SPEEDPOSITIONING (CJ1W-NC@@4 or CJ1W-NC@81 only)PCU POSITIONINGTRIGGER (CJ1W-NC@81 only)INTELLIGENT I/OREADINTELLIGENT I/OWRITENCDMV 218 4 81.7 95.3 ---NCDTR 219 3 22.9 25.5 ---IORD 222 4 *1 *1 ---IOWR 223 4 *1 *1 ---*1 Execution of the IORD, IORW, and FIORF instructions depends on the Special I/O <strong>Unit</strong>s for which they are being executed.A-2-22Serial Communications InstructionsInstruction Mnemonic FUN No.Length(steps)ON execution time (μs)<strong>CJ2</strong>H<strong>CPU</strong>6@(-EIP)<strong>CJ2</strong>M-<strong>CPU</strong>@@ConditionsPROTOCOL MACRO PMCR 260 5 57.8 97.8 Direct specification77 132 Operand specification,sending 1 word,receiving 1 wordPROTOCOL MACRO PMCR2 264 6 49.5 96.0 Direct specification269 129 Operand specification,sending 1 word,receiving 1 wordTRANSMIT TXD 236 4 57.5 93.8 Sending 1 byte517 947 Sending 256 bytesRECEIVE RXD 235 4 79 128 Storing 1 byte570 1033 Storing 256 bytesTRANSMIT VIASERIAL COMMUNI-CATIONSUNIT/SERIAL PORT(CJ1W-SCU22, CJ1W-SCU32, or CJ1W-SCU42 only)TXDU 256 4 75 130 Sending 1 byteRECEIVE VIA SERIALCOMMUNICATIONSUNIT/SERIAL PORT(CJ1W-SCU22, CJ1W-SCU32, or CJ1W-SCU42 only)DIRECT TRANSMITVIA SERIAL COMMU-NICATIONS UNITDIRECT RECEIVEVIA SERIAL COMMU-NICATIONS UNITCHANGE SERIALPORT SETUPLength(steps)ON execution time (μs)<strong>CJ2</strong>H<strong>CPU</strong>6@(-EIP)<strong>CJ2</strong>M-<strong>CPU</strong>@@ConditionsRXDU 255 4 74 128 Storing 1 byteDTXDU 262 4 25.8 37.0 Sending 1 byte179 203 Sending 256 bytesDRXDU 261 4 27.8 39.7 Storing 1 byte188 205 Storing 256 bytesSTUP 237 3 233 276 Addressed to COMport on <strong>CPU</strong> <strong>Unit</strong>A-2 Instruction Execution Times and Number of Steps AppA-2-22 Serial Communications Instructions<strong>CJ2</strong> <strong>CPU</strong> <strong>Unit</strong> <strong>Software</strong> User’s <strong>Manual</strong>A-97

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