Joseph Doherty
75 lines
3.1 KiB
C#
75 lines
3.1 KiB
C#
namespace ZB.MOM.WW.OtOpcUa.Driver.AbLegacy.PlcFamilies;
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/// <summary>
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/// Per-family libplctag defaults for PCCC PLCs. SLC 500 / MicroLogix / PLC-5 / LogixPccc
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/// (Logix controller accessed via the PLC-5 compatibility layer — rare but real).
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/// </summary>
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public sealed record AbLegacyPlcFamilyProfile(
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string LibplctagPlcAttribute,
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string DefaultCipPath,
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int MaxTagBytes,
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bool SupportsStringFile,
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bool SupportsLongFile,
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bool OctalIoAddressing,
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bool SupportsFunctionFiles)
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{
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public static AbLegacyPlcFamilyProfile ForFamily(AbLegacyPlcFamily family) => family switch
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{
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AbLegacyPlcFamily.Slc500 => Slc500,
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AbLegacyPlcFamily.MicroLogix => MicroLogix,
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AbLegacyPlcFamily.Plc5 => Plc5,
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AbLegacyPlcFamily.LogixPccc => LogixPccc,
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_ => Slc500,
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};
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public static readonly AbLegacyPlcFamilyProfile Slc500 = new(
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LibplctagPlcAttribute: "slc500",
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DefaultCipPath: "1,0",
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MaxTagBytes: 240, // SLC 5/05 PCCC max packet data
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SupportsStringFile: true, // ST file available SLC 5/04+
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SupportsLongFile: true, // L file available SLC 5/05+
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OctalIoAddressing: false, // SLC500 I:/O: indices are decimal in RSLogix 500
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SupportsFunctionFiles: false); // SLC500 has no function files
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public static readonly AbLegacyPlcFamilyProfile MicroLogix = new(
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LibplctagPlcAttribute: "micrologix",
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DefaultCipPath: "", // MicroLogix 1100/1400 use direct EIP, no backplane path
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MaxTagBytes: 232,
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SupportsStringFile: true,
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SupportsLongFile: false, // ML 1100/1200/1400 don't ship L files
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OctalIoAddressing: false, // MicroLogix follows SLC-style decimal I/O addressing
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SupportsFunctionFiles: true); // ML 1100/1400 expose RTC/HSC/DLS/MMI/PTO/PWM/STI/EII/IOS/BHI
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public static readonly AbLegacyPlcFamilyProfile Plc5 = new(
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LibplctagPlcAttribute: "plc5",
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DefaultCipPath: "1,0",
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MaxTagBytes: 240, // DF1 full-duplex packet limit at 264 bytes, PCCC-over-EIP caps lower
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SupportsStringFile: true,
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SupportsLongFile: false, // PLC-5 predates L files
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OctalIoAddressing: true, // RSLogix 5 displays I:/O: word + bit indices as octal
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SupportsFunctionFiles: false);
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/// <summary>
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/// Logix ControlLogix / CompactLogix accessed through the legacy PCCC compatibility layer.
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/// Rare but real — some legacy HMI integrations address Logix controllers as if they were
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/// PLC-5 via the PCCC-passthrough mechanism.
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/// </summary>
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public static readonly AbLegacyPlcFamilyProfile LogixPccc = new(
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LibplctagPlcAttribute: "logixpccc",
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DefaultCipPath: "1,0",
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MaxTagBytes: 240,
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SupportsStringFile: true,
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SupportsLongFile: true,
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OctalIoAddressing: false, // Logix natively uses decimal arrays even via the PCCC bridge
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SupportsFunctionFiles: false);
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}
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/// <summary>Which PCCC PLC family the device is.</summary>
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public enum AbLegacyPlcFamily
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{
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Slc500,
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MicroLogix,
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Plc5,
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LogixPccc,
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}
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