ESP 16-Channel Modbus TCP Remote Digital Input Module

The ESP 16-channel remote digital input module, designed and manufactured by Ehsan Sanat Pasargad, is a reliable industrial-grade solution for gathering and monitoring field digital signals over Ethernet. With full native support for the Modbus TCP protocol, this module ensures seamless integration with diverse automation controllers and SCADA systems.

Key Features:

• High PLC Compatibility: Ideal as a distributed remote I/O module for Ethernet-based PLCs, including the Siemens S7-1200 series and any controller supporting Modbus TCP Client.
• Standalone Operation: Functions independently without requiring an intermediary controller, enabling direct readout of 16 digital inputs over industrial Ethernet.
• Optimized for Factory Monitoring: A cost-effective, high-performance choice for production line monitoring, control rooms, and plant telemetry.
• Automatic Network Link Detection: Built-in auto-detection of network connectivity ensures high availability and diagnostic reliability in harsh industrial environments.
• Streamlined Configuration with ESP Builder: Full network and device parameterization via the intuitive ESP Builder software.
• Configurable Input Debounce Filter: Ability to set individual minimum input active duration (debounce time) through ESP Builder to eliminate electrical noise and mechanical contact bouncing.

Technical Specifications:

Specification	Details
Manufacturer & Brand	Ehsan Sanat Pasargad — ESP Brand
Input Channels	16 Digital Inputs (DI)
Communication Protocol	Modbus TCP over Ethernet
Operating Mode	Standalone / PLC & SCADA Peripheral
Configuration Tool	ESP Builder Software
Input Noise Filtering	Software-configurable debounce time via ESP Builder
Target Controllers	Siemens S7-1200 / S7-1500 and any Modbus TCP master

Typical Applications:

1. Expanding digital input capacity for PLC cabinets with minimal field wiring costs.
2. Centralized monitoring of proximity sensors, limit switches, auxiliary relay contacts, and pushbuttons.
3. Direct data ingestion into SCADA platforms, OPC servers, and industrial HMIs.