I was simply forced to not callread_holding_registersas often as I wanted to. I'm my case I wanted to read from a device every 250ms but I ran into the connection timeout error. When I read from the device every 500ms the connection never times out. ...
using System; using System.Net; using System.Net.Sockets; using System.Timers; public class ModbusTCPClient { private TcpClient client; private Timer timer; public ModbusTCPClient() { client = new TcpClient(); timer = new Timer(); timer.Interval = 5000; // 设置超时时间为5秒 timer.AutoReset...
ERROR Connection timed out: select <01><03><0F><44><00><02><87><0A><01><03><04><C4><5F><43><D4><C6><7E>modbus_read_registers: -1 Read registers failed: Connection timed out reg[0]=0 (0x0) reg[1]=0 (0x0) Average Line to Line Voltage = 0.000000 modbus 广告 企业复产...
Hi, I am using libmodbus on a 64 Bit Debian Linux for a modbus tcp connection to a Siemens PAC 3200. Reading of holding registers works basically. I get valid data from Siemens PAC. But if I do a sleep of 1 second and try to read registe...
{// 02 Input StatusBaseLocator<Boolean>loc=BaseLocator.inputStatus(slaveId,offset);try{returnmaster.getValue(loc);}catch(Exception e){if(e.getMessage().equals("java.net.SocketTimeoutException: connect timed out"))System.err.println(dev_code+":"+e.getMessage());elsee.printStackTrace();...
node in 5s, the communication process is regarded as timed out. In broadcast mode, slave nodes receive instructions from the master node, but do not respond to the instructions. 3.3 Application Layer Issue 02 (2023-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd. 12 ...
However, transaction 1694 in WS shows a modbus exception with the bridge device. I was curious because I never did see a TCP ACK for the frame 96480. Would this be expected? K. I don't understand why the Intouch OI.MBTCP says 1695 is the message that timed out. I am open to any...
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(portD, outbuff_D, len); //传送 Query Messsage stepD= 10; old_timeD= MINUTE * 60 + SECOND; countD= 0; timeoutD= 3; // 通信逾时设定为 3 second break; case 10: // start code check ch = serrecv(portD); if( ch == -1) { if( time_out_check(old_timeD, timeoutD)==0...
Hive客户端执行SQL报错连接超时 现象描述 Hive客户端执行SQL失败,报错:Timed out waiting for a free available connection。 可能原因 DBService连接较多,获取连接超时。 操作步骤客户端是否使用Spark-SQL客户端执行SQL。 来自:帮助中心 查看更多 → Redisson客户端连接Redis(Java) ...