軟件描述
KP3000模塊備件控制器繼續(xù)軟件描述單獨(dú)尋址和切換每個(gè)設(shè)備更安全。然后，設(shè)備將使用奇偶校驗(yàn)和比特率的舊設(shè)置進(jìn)行應(yīng)答。切換將僅在之后進(jìn)行。然而，如果公交車受到干擾，答案可能會(huì)丟失。當(dāng)所有設(shè)備切換時(shí)；建議檢查通信。提供反饋的設(shè)備的任何功能都是合適的。如果要使用獨(dú)立于過(guò)程外圍設(shè)備的單個(gè)功能，則功能“診斷”子功能“返回查詢數(shù)據(jù)”“是合適的，它返回傳輸?shù)臄?shù)據(jù)。如果設(shè)備的比特率和奇偶校驗(yàn)設(shè)置未知，則可以使用比特率和校驗(yàn)的所有組合連續(xù)尋址設(shè)備，直到設(shè)備響應(yīng)。首先嘗試最可能的組合。最后嘗試較低的比特率，因?yàn)樗鼈冃枰L(zhǎng)的時(shí)間。9.3通用命令”08（0x08）診斷“子功能”0（0x0000）返回查詢數(shù)據(jù)“數(shù)據(jù)字段任何響應(yīng)：請(qǐng)求子功能的回聲”1（0x0001）重新啟動(dòng)通信選項(xiàng)“數(shù)據(jù)字段0x0000或0xFF00響應(yīng)：請(qǐng)求操作的回聲：清除所有錯(cuò)誤計(jì)數(shù)器，重新啟動(dòng)節(jié)點(diǎn)子功能“4（0x0004）強(qiáng)制僅偵聽(tīng)模式”數(shù)據(jù)字段0x0000無(wú)響應(yīng)操作：在節(jié)點(diǎn)重置或功能代碼08子代碼01子功能“10（0x000A）清除計(jì)數(shù)器”
通信系統(tǒng)
數(shù)據(jù)字段x0000響應(yīng)：KP3000模塊備件控制器請(qǐng)求操作的回聲：清除所有錯(cuò)誤計(jì)數(shù)器子功能“11（0x000B）返回總線消息計(jì)數(shù)”數(shù)據(jù)字段自上次重新啟動(dòng)、清除計(jì)數(shù)器操作或通電以來(lái)，遠(yuǎn)程設(shè)備已在通信系統(tǒng)上檢測(cè)到。子功能“12（0x000C）Return Bus Communication Error Count”（返回總線通信錯(cuò)誤計(jì)數(shù)）數(shù)據(jù)字段0x0000響應(yīng)：自上次重新啟動(dòng)、清除計(jì)數(shù)器操作或通電以來(lái)，遠(yuǎn)程設(shè)備遇到的錯(cuò)誤數(shù)量。（CRC，長(zhǎng)度<3，奇偶校驗(yàn)，成幀）子函數(shù)“13（0x000D）返回總線異常錯(cuò)誤計(jì)數(shù)”數(shù)據(jù)字段0x0000響應(yīng)：自上次重新啟動(dòng)、清除計(jì)數(shù)器操作或通電以來(lái)，遠(yuǎn)程設(shè)備返回的MODBUS異常響應(yīng)的數(shù)量。子功能“14（0x000E）Return Slave Message Count”（返回從屬消息計(jì)數(shù)）數(shù)據(jù)字段0x0000響應(yīng)：自上次重新啟動(dòng)、清除計(jì)數(shù)器操作或通電以來(lái)，遠(yuǎn)程設(shè)備已處理的尋址到遠(yuǎn)程設(shè)備或廣播的消息數(shù)量。子功能“15（0x000F）Return Slave No Response Count”數(shù)據(jù)字段0x0000 Response:自上次重新啟動(dòng)、清除計(jì)數(shù)器操作或通電以來(lái)，發(fā)往遠(yuǎn)程設(shè)備的未返回響應(yīng)（既不是正常響應(yīng)也不是異常響應(yīng)）的消息數(shù)量。
Communication system
Data field x0000 response: echo of KP3000 module spare controller request operation: clear all error counter subfunctions "11 (0x000B) return bus message count" Data field Since the last restart, clear counter operation or power on, the remote device has been detected on the communication system. Sub function "12 (0x000C) Return Bus Communication Error Count" data field 0x0000 Response: the number of errors encountered by the remote device since the last restart, clear counter operation or power on. (CRC, length<3, parity, framing) subfunction "13 (0x000D) returns the bus exception error count" data field 0x0000 Response: the number of MODBUS exception responses returned by the remote device since the last restart, counter clearing operation, or power on. Sub function "14 (0x000E) Return Slave Message Count" data field 0x0000 Response: The number of messages addressed to the remote device or broadcast that have been processed by the remote device since the last restart, clear counter operation or power on. Sub function "15 (0x000F) Return Slave No Response Count" data field 0x0000 Response: The number of messages sent to remote devices that have not returned a response (neither normal nor abnormal) since the last restart, counter clearing operation or power on.
Software Description
The KP3000 module spare controller continues the software description that it is safer to address and switch each device separately. The device will then reply using the old settings for parity and bit rate. The switch will occur only after. However, if the bus is disturbed, the answer may be lost. When all devices are switched; It is recommended to check the communication. Any function of the device providing feedback is appropriate. If you want to use a single function independent of the process peripherals, Then the function "Diagnosis" subfunction "Return query data" is appropriate, and it returns the transmitted data. If the bit rate and parity settings of the device are unknown, then all combinations of the bit rate and parity can be used to address the device continuously until the device responds. First try the most possible combination. Finally try the lower bit rate, because they take longer. 9.3 General command "08 (0x08) Diagnose" subfunction "0 (0x0000) Return the query data "Any response of data field: echo of requesting subfunction" 1 (0x0001) Restart the communication option "Response of data field 0x0000 or 0xFF00: echo of requesting operation: clear all error counters, restart node subfunction" 4 (0x0004) Force only listening mode "Data field 0x0000 No response Operation: reset at node or function code 08, sub code 01, subfunction" 10 (0x000A) Clear counter "
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