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EX9052

8 DI (isolated, 6 differential, 2 single-ended)
99,00 EUR

including VAT 117.81 EUR

  • Manufacturer TOPSCCC
  • Category: Module AD DIO
  • The ExpertDAQ EX9052 is a robust, industrial-grade digital input module designed for distributed data acquisition and control applications. It provides eight optically isolated digital input channels and communicates via the RS-485 interface using either ASCII or Modbus RTU protocols, depending on the model variant. The EX9052D supports ASCII communication, while the EX9052D-M supports Modbus RTU, making it suitable for integration into a wide range of industrial automation systems.
- 8 Isolated Digital Inputs:
The EX9052 provides eight optically isolated digital input channels. The EX9052D variant offers six differential and two single-ended inputs with a common ground, while the EX9052D-M variant provides eight fully differential isolated inputs.

- High Isolation Voltage:
Each input channel is isolated up to 3750 Vrms, ensuring reliable operation in electrically noisy industrial environments and protecting both the module and connected equipment.

- Wide Input Voltage Range:
The module accepts digital input signals from +4 VDC to +30 VDC for logic high (ON) and recognizes logic low (OFF) below +1 VDC.

- RS-485 Communication Interface:
Supports 2-wire RS-485 communication with selectable baud rates from 1200 to 115200 bps, allowing up to 256 modules to be connected on a single RS-485 network with a maximum cable length of 1200 meters (without repeater).

- Low Power Consumption:
Operates efficiently with a typical power consumption of 1.2 W, minimizing heat generation and energy usage.

- Wide Operating Temperature Range:
Designed for harsh industrial environments, the EX9052 operates reliably between -25°C and +75°C, with storage capability from -30°C to +75°C.

- Dual Watchdog System:
Incorporates both hardware and software watchdogs to ensure continuous operation and automatic recovery from communication or system faults.

- EEPROM Configuration Storage:
Retains configuration parameters such as address, baud rate, and protocol settings even after power loss.

- LED Status Indicators:
Eight front-panel LEDs provide real-time visual feedback of digital input channel states.

- Flexible Protocol Support:
- EX9052D: ASCII command protocol
- EX9052D-M: Modbus RTU protocol (default after power-on)

- INIT* Mode for Configuration Recovery:
A dedicated INIT* switch allows users to reset or reconfigure communication parameters easily.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8517 6200 900

Comprehensive Product Summary – ExpertDAQ EX9052 Digital Input Module




### 1. Product Overview

Product Name: ExpertDAQ EX9052 Digital Input Module
Model Variants: EX9052D, EX9052D-M
Series: ExpertDAQ EX9000 Series
Article Number: EX9052
Manufacturer: ExpertDAQ (Expert Data Acquisition Systems)

The ExpertDAQ EX9052 is a robust, industrial-grade digital input module designed for distributed data acquisition and control applications. It provides eight optically isolated digital input channels and communicates via the RS-485 interface using either ASCII or Modbus RTU protocols, depending on the model variant. The EX9052D supports ASCII communication, while the EX9052D-M supports Modbus RTU, making it suitable for integration into a wide range of industrial automation systems.




### 2. Key Features

- 8 Isolated Digital Inputs:
The EX9052 provides eight optically isolated digital input channels. The EX9052D variant offers six differential and two single-ended inputs with a common ground, while the EX9052D-M variant provides eight fully differential isolated inputs.

- High Isolation Voltage:
Each input channel is isolated up to 3750 Vrms, ensuring reliable operation in electrically noisy industrial environments and protecting both the module and connected equipment.

- Wide Input Voltage Range:
The module accepts digital input signals from +4 VDC to +30 VDC for logic high (ON) and recognizes logic low (OFF) below +1 VDC.

- RS-485 Communication Interface:
Supports 2-wire RS-485 communication with selectable baud rates from 1200 to 115200 bps, allowing up to 256 modules to be connected on a single RS-485 network with a maximum cable length of 1200 meters (without repeater).

- Low Power Consumption:
Operates efficiently with a typical power consumption of 1.2 W, minimizing heat generation and energy usage.

- Wide Operating Temperature Range:
Designed for harsh industrial environments, the EX9052 operates reliably between -25°C and +75°C, with storage capability from -30°C to +75°C.

- Dual Watchdog System:
Incorporates both hardware and software watchdogs to ensure continuous operation and automatic recovery from communication or system faults.

- EEPROM Configuration Storage:
Retains configuration parameters such as address, baud rate, and protocol settings even after power loss.

- LED Status Indicators:
Eight front-panel LEDs provide real-time visual feedback of digital input channel states.

- Flexible Protocol Support:
- EX9052D: ASCII command protocol
- EX9052D-M: Modbus RTU protocol (default after power-on)

- INIT* Mode for Configuration Recovery:
A dedicated INIT* switch allows users to reset or reconfigure communication parameters easily.




### 3. Technical Specifications

| Parameter | EX9052D | EX9052D-M |
|----------------|--------------|----------------|
| Digital Inputs | 8 channels (6 differential, 2 single-ended with common ground) | 8 channels (all differential) |
| Input Type | Isolated | Isolated |
| Input Voltage (ON) | +4 VDC to +30 VDC | +4 VDC to +30 VDC |
| Input Voltage (OFF) | +1 VDC max | +1 VDC max |
| Input Impedance | 3 kΩ | 3 kΩ |
| Isolation Voltage | 3750 Vrms | 3750 Vrms |
| Interface | RS-485, 2-wire | RS-485, 2-wire |
| Baud Rate | 1200–115200 bps | 1200–115200 bps |
| Protocol | ASCII | Modbus RTU |
| Power Supply | +10 to +30 VDC | +10 to +30 VDC |
| Power Consumption | 1.2 W | 1.2 W |
| Operating Temperature | -25°C to +75°C | -25°C to +75°C |
| Storage Temperature | -30°C to +75°C | -30°C to +75°C |
| LED Indicators | 8 input status LEDs | 8 input status LEDs |
| Isolation Type | Optical isolation | Optical isolation |
| Mounting | DIN-rail or panel mount | DIN-rail or panel mount |




### 4. Functionality

The EX9052 module functions as a digital input interface for industrial control systems. It converts discrete input signals from sensors, switches, or other field devices into digital data that can be transmitted over an RS-485 network to a host controller, PLC, or SCADA system.

Operation Principle:
- Each input channel detects the presence of a voltage signal within the specified range.
- The module isolates each input from the system bus using opto-isolators, preventing ground loops and electrical interference.
- Input states are continuously monitored and can be read via ASCII or Modbus RTU commands.
- The module supports synchronized sampling, input latching, and input counting functions.

Use Cases and Applications:
- Industrial automation and process control
- Remote monitoring and data acquisition (DAQ)
- Machine status and alarm monitoring
- Digital signal interfacing for PLCs and SCADA systems
- Building automation and energy management systems

Compatibility:
- Compatible with ExpertDAQ EX9000 series utilities and configuration software.
- Integrates with Modbus RTU-compatible devices and systems.
- Supports standard RS-485 network topologies.




### 5. Components & Accessories

Included Components:
- EX9052 module (EX9052D or EX9052D-M)
- Quick start guide
- Configuration utility software (for PC)
- Terminal block connectors for wiring

Optional Accessories:
- RS-485 to USB converters (for PC connection)
- RS-485 repeaters (for extended network distances)
- DIN-rail mounting kits
- Power supply units (10–30 VDC regulated)

Connectors:
- Removable terminal blocks for power and signal connections
- RS-485 communication terminals (D+, D–)
- INIT* terminal or switch for configuration reset




### 6. Installation & Setup

Requirements:
- Power supply: 10–30 VDC regulated
- RS-485 network connection (2-wire)
- Host controller or PC with RS-485/USB interface

Mounting Options:
- DIN-rail mounting (standard)
- Panel mounting (optional)

Setup Procedure:
1. Wiring:
Connect digital input devices (dry contact, TTL/CMOS, or open collector) to the input terminals according to the wiring diagram.
2. Power Connection:
Supply 10–30 VDC to the power terminals.
3. Communication Setup:
- Configure RS-485 network parameters (address, baud rate, parity) using ASCII commands or Modbus registers.
- Default settings: Address = 01, Baud rate = 9600 bps, DIO Type = 40.
4. INIT* Mode Configuration:
- Activate INIT* mode by connecting the INIT* terminal to GND or sliding the INIT* switch to the “Init” position.
- Power on the module and send configuration commands.
- After configuration, return the switch to “Normal” and power cycle the module.
5. Verification:
Use the provided utility or Modbus master software to verify communication and input status.




### 7. Performance & Capabilities

- Input Response:
Fast digital input detection suitable for high-speed signal monitoring.

- Input Counter Function:
Each input channel can count pulses up to 65,535 (0xFFFF), useful for event counting or frequency measurement.

- Latch Function:
Captures transient input changes (high or low) to ensure no signal events are missed.

- Dual Watchdog System:
- Module Watchdog: Hardware circuit that resets the module in case of internal malfunction.
- Host Watchdog: Software timer that monitors communication with the host. If the host fails to communicate within a defined interval, the module enters a safe state.

- Communication Speed:
Supports baud rates from 1200 to 115200 bps, configurable via command or Modbus register.

- Network Capacity:
Up to 256 modules can be connected on a single RS-485 bus, with a maximum cable length of 1200 meters (without repeater).

- Power Efficiency:
Consumes only 1.2 W, allowing dense installations without excessive heat buildup.

- Reliability:
EEPROM-based configuration storage ensures settings are retained after power loss.
Optical isolation and robust design provide high noise immunity.




### 8. Standards & Compliance

- Communication Standards:
- RS-485 (EIA/TIA-485 compliant)
- Modbus RTU (for EX9052D-M)

- Electrical Isolation:
3750 Vrms optical isolation between input channels and communication interface.

- Environmental Compliance:
Designed for industrial temperature ranges and harsh environments.

- Safety & EMC:
Meets industrial-grade electromagnetic compatibility and safety standards (manufacturer-specific compliance).

- Protocol Compliance:
Fully compatible with Modbus RTU standard function codes:
- 0x01: Read Coil/DI Status
- 0x02: Read Input Status
- 0x03/0x04: Read Input Registers
- 0x05/0x0F: Write Single/Multiple Coils
- 0x06: Write Single Register




### 9. Additional Information

Warranty:
Standard manufacturer warranty (typically 2 years, depending on region and distributor).

Support:
- Technical documentation and user manuals available from ExpertDAQ.
- Configuration utilities and firmware updates downloadable from the manufacturer’s website.
- Email and online technical support provided.

Maintenance:
- No periodic maintenance required.
- Ensure clean, dry installation environment.
- Periodically check terminal connections for tightness and corrosion.

Firmware & Updates:
- Firmware version can be read using command `$AAF`.
- Example: `$01F` → `!01D04.03` indicates firmware version D04.03.
- Firmware updates available via ExpertDAQ support.

Reliability Enhancements:
- Dual watchdog ensures continuous operation.
- EEPROM retains configuration data.
- LED indicators simplify troubleshooting.

Network Integration:
- Compatible with ExpertDAQ EX9000 series modules for mixed I/O systems.
- Can be integrated into Modbus RTU networks with PLCs, HMIs, or SCADA systems.




### Summary

The ExpertDAQ EX9052 is a high-performance, isolated digital input module engineered for industrial automation and data acquisition. With eight optically isolated channels, robust RS-485 communication, and support for both ASCII and Modbus RTU protocols, it provides flexible integration into distributed control systems. Its low power consumption, wide temperature tolerance, and dual watchdog design make it ideal for mission-critical applications in manufacturing, process control, and remote monitoring.

The EX9052D variant is suited for systems using ASCII command protocols, while the EX9052D-M variant is optimized for Modbus RTU networks. Both models deliver reliable, noise-immune digital input acquisition with easy configuration, strong isolation, and long-term stability.




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