Comprehensive Product Summary – EX9017F Analog Input Module

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### 1. Product Overview

Product Name: EX9017F
Model: EX9017F
Series: EX-9017 Series (Fast Mode Variant)
Article Number: EX9017F
Manufacturer: ICP DAS / EX Series Industrial Automation Modules

The EX9017F is a high-performance, isolated analog input module designed for industrial data acquisition and control systems. It belongs to the EX-9017 series of analog input modules, which are widely used in distributed control networks utilizing the RS-485 communication interface. The EX9017F variant is specifically optimized for faster sampling performance (up to 50 Hz total sampling rate) and 12-bit resolution, making it suitable for applications requiring rapid and accurate analog signal measurement.

This module provides eight analog input channels configurable as either eight differential inputs or six differential plus two single-ended inputs. It supports multiple voltage and current input ranges, ensuring flexibility for various sensor and signal types. The EX9017F integrates galvanic isolation between input and communication circuits, ensuring reliable operation in electrically noisy industrial environments.

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### 2. Key Features

- 8 Analog Input Channels: Supports up to eight analog input signals, configurable as 8 differential or 6 differential + 2 single-ended channels.
- 12-bit Resolution (Fast Mode): Provides 12-bit analog-to-digital conversion accuracy, optimized for faster sampling rates compared to the 16-bit standard EX9017 model.
- Multiple Input Ranges: Accepts voltage inputs of ±150 mV, ±500 mV, ±1 V, ±5 V, and ±10 V, as well as current inputs of ±20 mA (via external 125 Ω shunt resistor).
- High Sampling Rate: Capable of up to 50 Hz total sampling rate, suitable for dynamic signal monitoring.
- RS-485 Communication Interface: Two-wire serial interface supporting multiple baud rates from 1200 to 115200 bps, compatible with Modbus RTU and ASCII-based command protocols.
- Galvanic Isolation: Input and output circuits are electrically isolated to prevent ground loops and protect against electrical interference.
- Wide Power Supply Range: Operates from +10 VDC to +30 VDC, allowing flexible integration into various control systems.
- High Accuracy and Stability: ±0.1% accuracy, 0.5 µV/°C zero drift, and 25 ppm/°C span drift ensure precise long-term measurements.
- Noise Rejection: Excellent Common Mode Rejection Ratio (CMR) of 150 dB and Normal Mode Rejection (NMR) of 100 dB at 50/60 Hz.
- Dual Watchdog System: Incorporates both module and host watchdogs for enhanced reliability and fault recovery.
- EEPROM Configuration Storage: Retains configuration parameters such as address, baud rate, and input type even after power loss.
- Software and Manual Configuration: Can be configured via serial commands or using supplied configuration software.
- INIT* Mode: Simplifies recovery and reconfiguration by resetting communication parameters to default values.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Interface | RS-485, 2-wire |
| Baud Rates | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps |
| Analog Input Type | 6 differential + 2 single-ended (configurable) |
| Number of Channels | 8 |
| Resolution | 12 bits (Fast Mode) |
| Voltage Input Ranges | ±10 V, ±5 V, ±1 V, ±500 mV, ±150 mV |
| Current Input Range | ±20 mA (requires external 125 Ω resistor, 0.1% tolerance) |
| Sampling Rate | 10 or 50 Hz (selectable) |
| Bandwidth | 15.7 Hz |
| Accuracy | ±0.1% of Full Scale |
| Zero Drift | 0.5 µV/°C |
| Span Drift | 25 ppm/°C |
| CMR (50/60 Hz) | 150 dB |
| NMR (50/60 Hz) | 100 dB |
| Input Impedance | 20 MΩ |
| Overvoltage Protection | Not supported (use EX9017FR for 240 Vrms protection) |
| Power Supply | +10 VDC to +30 VDC |
| Operating Temperature | -25°C to +75°C (typical for EX series modules) |
| Warm-up Time | 30 minutes recommended before operation |
| Isolation | Galvanic isolation between input and communication circuits |
| Mounting | DIN-rail or panel mount (standard EX series housing) |

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### 4. Functionality

The EX9017F functions as an analog-to-digital converter module within an RS-485-based distributed control network. Each of its eight input channels can measure voltage or current signals from sensors, transducers, or process control devices. The module converts these analog signals into digital data, which can then be transmitted to a host controller, PLC, or SCADA system via the RS-485 interface.

Use Cases and Applications:
- Industrial process monitoring and control
- Data acquisition systems (DAQ)
- Environmental monitoring (temperature, pressure, flow sensors)
- Laboratory instrumentation
- Building automation and energy management
- Remote telemetry and distributed I/O systems

Compatibility:
- Compatible with Modbus RTU/ASCII communication protocols
- Integrates with ICP DAS I-7000/9000 series and other RS-485-based controllers
- Works with PC-based SCADA software and industrial automation platforms

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### 5. Components & Accessories

Included Items:
- EX9017F module unit
- User manual and configuration guide
- Software utilities for configuration and calibration
- Terminal block connectors for wiring

Optional Accessories:
- External 125 Ω precision resistor (0.1%) for current measurement
- RS-485 communication cables and converters (e.g., USB-to-RS485 adapters)
- DIN-rail mounting kit
- Power supply (10–30 VDC regulated source)

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

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### 6. Installation & Setup

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

Mounting Options:
- DIN-rail mounting (standard industrial enclosure)
- Panel mounting via screw holes

Configuration Steps:
1. Power Off the Module before wiring.
2. Connect Analog Inputs according to the wiring diagram (differential or single-ended).
3. Set JP1 Jumper: Determines input configuration (8 differential or 6 differential + 2 single-ended).
4. Connect RS-485 Lines: Data+, Data–, and GND to the network bus.
5. Power On the Module.
6. Default Settings:
- Address: 01
- Baud Rate: 9600 bps
- Checksum: Disabled
- Filter: 60 Hz rejection
- Input Type: Code 05 (default voltage range)
7. INIT* Mode (if needed):
- Slide INIT* switch to “Init” position or connect INIT* terminal to GND.
- Power on to reset configuration to default (Address=00, Baud=9600 bps).
8. Calibration:
- Warm-up for 30 minutes.
- Connect calibration source (voltage or current).
- Perform zero and span calibration using serial commands ($AA0, $AA1).

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### 7. Performance & Capabilities

Speed and Sampling:
The EX9017F supports two sampling modes: standard (10 Hz) and fast (50 Hz). The fast mode allows quicker data acquisition across all channels, ideal for time-sensitive monitoring applications.

Capacity:
Eight analog input channels can be read sequentially or individually via command-based queries. The module supports simultaneous multi-channel data acquisition through host polling.

Efficiency and Stability:
High input impedance (20 MΩ) minimizes signal loading. The module’s low drift characteristics ensure stable readings over temperature variations.

Limitations:
- No built-in overvoltage protection (use EX9017FR for 240 Vrms protection).
- Requires external resistor for current measurement.
- Warm-up period required for optimal accuracy.

Reliability Features:
- Dual Watchdog System:
- *Module Watchdog:* Hardware circuit monitors internal operation and resets the module if a fault occurs.
- *Host Watchdog:* Software timer monitors communication with the host; if timeout occurs, outputs revert to safe values.
- EEPROM Storage: Configuration retained after power loss.
- Reset Status Monitoring: Allows users to verify if the module has been reset or restarted.

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### 8. Standards & Compliance

Electrical and Communication Standards:
- RS-485 (EIA/TIA-485) compliant two-wire interface
- Supports standard baud rates up to 115200 bps
- Galvanic isolation between communication and analog input circuits

Noise and Signal Integrity:
- CMRR: 150 dB @ 50/60 Hz
- NMRR: 100 dB @ 50/60 Hz
- Designed for industrial EMC environments

Calibration and Accuracy Standards:
- ±0.1% accuracy of full-scale range
- Zero drift: 0.5 µV/°C
- Span drift: 25 ppm/°C

Regulatory Compliance:
- CE and FCC (typical for EX series modules)
- RoHS compliant materials
- Industrial temperature and EMC standards

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### 9. Additional Information

Warranty:
Typically covered under manufacturer’s standard warranty (1–2 years depending on region and distributor).

Technical Support:
ICP DAS and authorized distributors provide technical documentation, firmware updates, and configuration software. Support includes wiring diagrams, command reference manuals, and calibration procedures.

Maintenance:
- Periodic calibration recommended for high-accuracy applications.
- Ensure proper ventilation and avoid exposure to excessive vibration or moisture.
- Inspect wiring and terminal connections regularly.

Firmware and Updates:
- Firmware version can be read using command `$AAF`.
- Module name and configuration can be updated via serial commands (`~AAO(Data)`, `%AANNTTCCFF`).
- Configuration stored in non-volatile EEPROM.

Operational Notes:
- Warm-up for 30 minutes before measurement for best accuracy.
- Avoid calibration unless fully understood; improper calibration may affect accuracy.
- Use shielded cables for analog inputs to minimize noise.
- For current input, always use a precision 125 Ω resistor (0.1% tolerance).

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### Summary

The EX9017F is a robust, high-speed, 12-bit analog input module designed for industrial automation and data acquisition systems. It provides eight configurable analog input channels, supports multiple voltage and current ranges, and communicates via a reliable RS-485 interface. With galvanic isolation, high noise immunity, and flexible configuration options, it is ideal for distributed measurement systems requiring accuracy, stability, and reliability.

Its fast sampling capability (up to 50 Hz), dual watchdog protection, and EEPROM-based configuration storage make it a dependable choice for real-time monitoring and control applications in harsh industrial environments. The EX9017F combines precision analog measurement with flexible digital communication, ensuring seamless integration into modern automation networks.