欧姆龙PLC通信协议VIP专享

# 考：W342—SYSMAC CS/CJ Series munications mands朋姆龙通 18 命令可分力两类：1: C-mode mands只可通过串通爪2： FINS mands既可通过串通 ill 也可通过各类网络通信(适应性较强)下面只讲 FINS 命令—、命令发送：FINSI 连发送命令如下：Sending Commands to a CPU Unit Directly Connected to the Host ComputerNote The following format is also applicable for a host computer connected to a SerialCommunications Board or a Serial Communications Unit.Q1X | XF 1 AX Io: o1 0 0 11 0 011 XX1I—t,—3UW ,Response10"⑷,,wait time> I1X X X』XSA2 SD1x ix*严FINS command code Text(1,080 characters = 540 bytes max.)FCS TsrmmatorResponse Wait TimeThe response wait time sets the time from when the CPU Unit receives a command block until it starts to return aresponse ・ It can be set from 0 to F in hexadecimal, in units of 10 ms.Example:If F(15) is set, the response Mil begin to be returned 150 ms (15 x 10 ms) after the comma nd block was received・SID (Source ID)The SID is used as a counter when resending. It should normally be set to -" (ASCII: 30, 30).FINS mand code 见下表可修编•5-1-1 FINS CommandsThe fcllowing table lists the FINS commands.Command codeNameFunctionMRSRg nierrory a roeaccess0101MEMORY AREA READReads the contents of consecutive HOmemayarea worcs ・0102MEMORY AREA WRITE (See ncte.)Writes the corrents of con©?cutive ”0mcmcryarca worcs ・0103MEMORY AREA FILL (See note)Writes the same data to the speckedrangeof I/O rnanoryarea wcxds.0104MULTIPLE MEMCRY AREA READReads the contents of specified non-cnnsecutive I/O memory area v.ords. 18MEMORY AREA TRANSFER (See rote. ICopes the cortenis of consecutue /Orremayarea WCTCS to another I/O rremccyare 乱Parameter areaaccess ce01FARAMETER AREA READReads the contents of consecutiveparameter area weeds.oe0...