IC698PSA100燃機(jī)模塊,GE通用電氣
DPV1命令說(shuō)明11.3.1概述背板CPU可以通過(guò)掃描儀向從機(jī)發(fā)送DPV1命令。為此，背板CPU向SST-PB3-CLX-RLL發(fā)出CIP通用消息。對(duì)象0x101，使用實(shí)例1。
要處理DPV1命令，應(yīng)使用背板CPU初始化掃描儀DPV1\u INIT命令（必須處于脫機(jī)配置模式才能接受此命令）。當(dāng)掃描儀聯(lián)機(jī)時(shí)，初始化后可以發(fā)送DPV1 Class 1命令。
IC698PSA100燃機(jī)模塊要設(shè)置DPV1 Class 2通信，背板CPU應(yīng)發(fā)送啟動(dòng)命令。掃描儀自動(dòng)維護(hù)Class 2通信，直到出現(xiàn)網(wǎng)絡(luò)錯(cuò)誤。
背板CPU應(yīng)通過(guò)Abort命令關(guān)閉類(lèi)通信。CPU可以如果需要，使用Initiate命令重新啟動(dòng)Class2通信。
當(dāng)不再需要DPV1通信時(shí)，背板CPU應(yīng)停止DPV1模塊通過(guò)DPV1 Close命令。
以下數(shù)組假定對(duì)齊方式為1字節(jié)；確保梯形圖程序?qū)?shù)設(shè)置為正確的偏移量。
DPV1 Command Description
11.3.1 Overview
The backplane CPU can send DPV1 commands to slaves through the scanner. To do this,
the backplane CPU issues CIP generic messages to the SST-PB3-CLX-RLL. Object 0x101,
Instance 1 is used.
To process a DPV1 command, the scanner should be initialized by the backplane CPU with
the DPV1_INIT Command (it must be in offline configured mode to accept this command).
DPV1 Class 1 commands can be sent after initialization when the scanner is online.
To set up a DPV1 Class 2 communication, the backplane CPU should send an Initiate command.
The scanner maintains Class 2 communication automatically, until a network error occurs.
The backplane CPU should close the class communication via an Abort command. The CPU can
restart the Class2 communication with an Initiate command if needed.
When DPV1 communication is no longer needed, the backplane CPU should stop the DPV1
module via a DPV1 Close command.
Note
The following arrays assume an alignment of 1 byte; make sure that the
ladder program's set parameters at the correct offsets.
