ethernet-ip
Version:
A feature-complete EtherNet/IP client for Rockwell ControlLogix/CompactLogix PLCs
27 lines • 909 B
TypeScript
/**
* Scanner types — subscription and event definitions.
*/
import { TagValue } from '../plc/types';
import { Logger } from '../util/logger';
export interface Subscription {
tagName: string;
lastValue: TagValue | undefined;
}
export interface ScannerOptions {
rate?: number;
logger?: Logger;
/** Log scan metrics every N ticks (default 100, 0 to disable) */
metricsInterval?: number;
}
export type ScanEvents = {
tagChanged: (tag: string, value: TagValue, prev: TagValue) => void;
tagInitialized: (tag: string, value: TagValue) => void;
scanError: (err: Error) => void;
scanStarted: () => void;
scanStopped: () => void;
};
/** Default scan rate in milliseconds */
export declare const DEFAULT_SCAN_RATE = 200;
/** Metrics logging target interval in milliseconds (5 minutes) */
export declare const METRICS_TARGET_MS: number;
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