40 lines
1.3 KiB
C#
40 lines
1.3 KiB
C#
namespace Modbus.Net.Modbus
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{
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/// <summary>
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/// Modbus/Tcp协议连接器
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/// </summary>
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public class ModbusTcpProtocolLinker : TcpProtocolLinker
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{
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="ip">IP地址</param>
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public ModbusTcpProtocolLinker(string ip)
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: this(ip, int.Parse(ConfigurationReader.GetValueDirect("TCP:" + ip, "ModbusPort") ?? ConfigurationReader.GetValueDirect("TCP:Modbus", "ModbusPort")))
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{
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="ip">IP地址</param>
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/// <param name="port">端口</param>
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public ModbusTcpProtocolLinker(string ip, int port) : base(ip, port)
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{
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}
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/// <summary>
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/// 校验返回数据
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/// </summary>
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/// <param name="content">设备返回的数据</param>
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/// <returns>数据是否正确</returns>
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public override bool? CheckRight(byte[] content)
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{
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if (base.CheckRight(content) != true) return base.CheckRight(content);
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//Modbus协议错误
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if (content[7] > 127)
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throw new ModbusProtocolErrorException(content[2] > 0 ? content[2] : content[8]);
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return true;
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}
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}
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} |