Comprehensive Product Summary – EX9017FR Analog Input Module

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### 1. Product Overview

Product Name: EX9017FR
Model: EX9017FR
Series: EX-9017 Series (Fast Mode with Overvoltage Protection)
Article Number: EX9017FR
Manufacturer: ICP DAS / EX Series Industrial Automation Modules

The EX9017FR is a high-performance, isolated analog input module designed for industrial data acquisition and control systems. It belongs to the EX-9017 family of analog input modules, which are widely used in distributed I/O systems connected via RS-485 networks. The EX9017FR variant integrates fast 12-bit A/D conversion, 240 Vrms overvoltage protection, and galvanic isolation between input and communication circuits, ensuring robust operation in harsh industrial environments.

This module provides 8 analog input channels, configurable as 6 differential and 2 single-ended or 8 differential channels, supporting both voltage and current measurement ranges. It is ideal for applications requiring reliable analog signal acquisition, such as process monitoring, sensor interfacing, and industrial automation.

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### 2. Key Features

- 8 Analog Input Channels: Configurable as 8 differential or 6 differential + 2 single-ended inputs.
- High-Speed Sampling: Up to 60 Hz sampling rate (10/50 Hz selectable modes).
- 12-bit Resolution (Fast Mode): Provides precise analog-to-digital conversion for accurate signal measurement.
- Wide Input Range: Supports multiple voltage and current ranges:
- Voltage: ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V
- Current: ±20 mA (via external 125 Ω precision resistor)
- Galvanic Isolation: Complete isolation between input channels and communication/power circuits to prevent ground loops and interference.
- Overvoltage Protection: Up to 240 Vrms between Vin+ and Vin–, ensuring safety against transient surges and wiring faults.
- RS-485 Communication Interface: 2-wire half-duplex serial interface supporting multiple baud rates up to 115.2 kbps.
- Wide Power Supply Range: Operates from +10 V to +30 V DC, suitable for industrial power systems.
- High Accuracy and Stability:
- Accuracy: ±0.1% of full scale
- Zero Drift: 0.5 µV/°C
- Span Drift: 25 ppm/°C
- Noise Rejection:
- Common Mode Rejection (CMR): 150 dB @ 50/60 Hz
- Normal Mode Rejection (NMR): 100 dB @ 50/60 Hz
- Dual Watchdog System: Hardware (module) and software (host) watchdogs ensure continuous operation and system reliability.
- EEPROM Configuration Storage: Retains settings such as address, baud rate, and input type even after power loss.
- INIT* Mode: Simplified recovery and reconfiguration mode for forgotten or lost settings.
- Software Configurable: Supports manual setup or configuration via supplied software commands.
- Compact and Rugged Design: Suitable for DIN-rail or panel mounting in industrial environments.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Interface | RS-485, 2-wire, half-duplex |
| Baud Rates | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps |
| Analog Input Type | 8 differential or 6 differential + 2 single-ended |
| Number of Channels | 8 |
| Resolution | 12-bit (Fast Mode) |
| Input Ranges (Voltage) | ±10 V, ±5 V, ±1 V, ±500 mV, ±150 mV |
| Input Range (Current) | ±20 mA (with external 125 Ω resistor, 0.1% tolerance) |
| Sampling Rate | 10 Hz / 50 Hz / 60 Hz (selectable) |
| Bandwidth | 15.7 Hz |
| Accuracy | ±0.1% of full scale |
| Zero Drift | 0.5 µV/°C |
| Span Drift | 25 ppm/°C |
| Input Impedance | 20 MΩ |
| CMR (50/60 Hz) | 150 dB |
| NMR (50/60 Hz) | 100 dB |
| Overvoltage Protection | 240 Vrms between Vin+ and Vin– |
| Power Supply | +10 V DC to +30 V DC |
| Power Consumption | Typically < 2 W |
| Operating Temperature | -25 °C to +75 °C (typical industrial range) |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 10–90% RH, non-condensing |
| Isolation Voltage | 3000 V DC (input to system) |
| Warm-Up Time | 30 minutes recommended before operation |
| Mounting | DIN-rail or panel mount |
| Enclosure Material | Industrial-grade ABS or polycarbonate |
| Dimensions / Weight | Approx. 72 mm (W) × 118 mm (H) × 35 mm (D); ~150 g |

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### 4. Functionality

The EX9017FR functions as an analog-to-digital input module that converts analog voltage or current signals into digital data for transmission over an RS-485 network. Each of its eight input channels can independently measure analog signals within the specified ranges.

Operation Principle:
1. The module samples analog signals at up to 60 Hz using a 12-bit ADC.
2. The digitized data is transmitted via the RS-485 interface to a host controller, PLC, or SCADA system.
3. The module supports multiple data formats (engineering units, % of full scale, or 2’s complement hexadecimal).
4. Configuration parameters such as baud rate, input type, and data format are stored in non-volatile memory.

Use Cases and Applications:
- Industrial process monitoring and control
- Sensor signal acquisition (temperature, pressure, flow, etc.)
- Laboratory instrumentation and data logging
- Remote analog signal measurement over RS-485 networks
- Integration with distributed control systems (DCS) and SCADA platforms
- Energy management and environmental monitoring systems

Compatibility:
- Compatible with Modbus RTU and proprietary command protocols.
- Works with ICP DAS I/O systems, industrial PCs, and third-party RS-485 controllers.

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### 5. Components & Accessories

Included Items:
- EX9017FR module
- User manual and configuration guide
- Mounting hardware (DIN-rail clip or panel bracket)

Optional Accessories:
- External 125 Ω precision resistor (0.1%) for current measurement
- RS-485 communication cable
- Power supply (10–30 V DC regulated)
- Configuration software and USB-to-RS485 converter

Connectors:
- Screw terminal blocks for analog input channels (Vin+, Vin–, GND)
- RS-485 communication terminals (DATA+, DATA–)
- Power input terminals (+Vs, GND)
- INIT* switch or terminal for configuration reset

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### 6. Installation & Setup

Requirements:
- DC power supply: +10 V to +30 V DC
- RS-485 network connection (2-wire)
- Proper grounding and shielding for noise immunity

Mounting Options:
- DIN-rail mounting (standard industrial rail)
- Panel mounting using screws or brackets

Configuration Steps:
1. Power Off the module before wiring.
2. Connect analog input channels according to the wiring diagram (differential or single-ended).
3. Connect RS-485 communication lines (DATA+, DATA–).
4. Connect power supply terminals (+Vs, GND).
5. Set the INIT* switch to configure or reset the module if necessary.
6. Power on the module and verify LED indicators.
7. Use configuration commands or software to set:
- Module address (default: 01)
- Baud rate (default: 9600 bps)
- Input type and range
- Data format and checksum options
- Filter setting (default: 60 Hz rejection)

Default Settings:
- Module Address: 01
- Analog Input Type: Type 05
- Baud Rate: 9600 bps
- Checksum: Disabled
- Data Format: Engineering units
- Filter: 60 Hz rejection

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### 7. Performance & Capabilities

Speed and Sampling:
- The EX9017FR supports a fast sampling rate of up to 60 Hz, suitable for dynamic signal monitoring.
- The internal ADC provides 12-bit resolution, balancing speed and precision.

Capacity and Efficiency:
- Eight channels allow simultaneous measurement of multiple sensors or signals.
- High input impedance (20 MΩ) minimizes loading effects on signal sources.
- The module’s low drift and high accuracy ensure stable long-term performance.

Noise Immunity:
- Excellent CMR (150 dB) and NMR (100 dB) ratings ensure reliable operation in electrically noisy environments.
- Galvanic isolation prevents ground loops and cross-channel interference.

Limitations:
- Current measurement requires an external precision resistor.
- Warm-up time of 30 minutes is recommended for optimal accuracy.
- Sampling rate limited to 60 Hz; not suitable for high-frequency signal acquisition.

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### 8. Standards & Compliance

Electrical and Safety Standards:
- Designed for industrial automation and control environments.
- Overvoltage protection up to 240 Vrms ensures compliance with industrial safety requirements.
- Isolation voltage of 3000 V DC between input and system circuits.

EMC and Environmental Compliance:
- Meets typical industrial EMC immunity and emission standards.
- Operates reliably in wide temperature and humidity ranges.

Communication Standards:
- RS-485 serial communication standard (EIA/TIA-485 compliant).
- Supports standard baud rates up to 115.2 kbps.

Quality and Manufacturing:
- Manufactured under ISO 9001 quality management systems.
- Each module undergoes calibration and functional testing before shipment.

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### 9. Additional Information

Calibration:
- Calibration is performed per input type using external reference signals.
- Requires a 125 Ω, 0.1% shunt resistor for current calibration.
- Calibration sequence includes zero and span adjustments, repeated three times for accuracy.

Watchdog Functions:
- Module Watchdog: Hardware circuit that resets the module if internal errors occur.
- Host Watchdog: Software timer that monitors communication with the host; triggers safe output states if timeout occurs.

Maintenance:
- Minimal maintenance required; periodic calibration recommended.
- Ensure clean, dry environment and proper ventilation.
- Inspect wiring and terminal connections periodically.

Firmware and Configuration Management:
- Firmware version can be read using command `$AAF`.
- Module name and address can be customized via configuration commands.
- Configuration stored in EEPROM for non-volatile retention.

Warranty and Support:
- Standard manufacturer warranty (typically 1–2 years, depending on region).
- Technical support available via manufacturer’s website and authorized distributors.
- Firmware updates and configuration utilities provided by ICP DAS.

Documentation and Resources:
- User manual with wiring diagrams and command set.
- Software libraries and examples for integration with SCADA and PLC systems.
- RS-485 network configuration guides and troubleshooting documentation.

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### Summary

The EX9017FR is a robust, high-precision 8-channel analog input module engineered for industrial data acquisition over RS-485 networks. Combining 12-bit resolution, fast sampling, 240 Vrms surge protection, and galvanic isolation, it delivers reliable performance in demanding environments. Its flexible configuration, wide input range, and dual watchdog system make it a dependable choice for automation, monitoring, and control applications.

With comprehensive command support, EEPROM-based configuration, and compatibility with standard industrial communication protocols, the EX9017FR provides a scalable and secure solution for distributed analog signal measurement in modern industrial systems.