Comprehensive Product Summary – EX9017R Analog Input Module

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### 1. Product Overview

Product Name: EX9017R
Model: EX9017R
Series: EX-9017 Series (part of the EX9000 modular I/O family)
Article Number: EX9017R
Manufacturer: ICP DAS / EX Industrial Automation (OEM branding may vary by distributor)

The EX9017R is a high-precision, isolated analog input module designed for distributed data acquisition and industrial automation systems. It provides eight analog input channels with 16-bit resolution and supports both voltage and current measurement modes. The module communicates via a standard RS-485 interface and is engineered for robust performance in electrically noisy environments, featuring 240 Vrms isolation protection between input channels and ground. It is part of the EX9000 series of modular I/O devices, which are widely used in SCADA, process control, and remote monitoring applications.

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### 2. Key Features

- Eight Analog Input Channels: Supports 8 fully isolated analog input channels configurable as differential or mixed (6 differential + 2 single-ended).
- High Resolution: 16-bit analog-to-digital conversion for precise signal measurement.
- Wide Input Range: Configurable for multiple voltage and current ranges: ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V, and ±20 mA (with external 125 Ω resistor).
- Electrical Isolation: 240 Vrms isolation between Vin+ and Vin–, providing protection against surges and ground loops.
- RS-485 Communication: Two-wire serial interface supporting baud rates from 1200 bps up to 115200 bps.
- Galvanic Isolation: Complete isolation between communication, power, and analog input sections for enhanced reliability.
- Sampling Rate: 10 samples per second (10 Hz) with a 15.7 Hz bandwidth.
- High Accuracy: ±0.1% of full-scale range with excellent temperature stability (zero drift 0.5 µV/°C, span drift 25 ppm/°C).
- Noise Rejection: Common Mode Rejection (CMR) of 150 dB and Normal Mode Rejection (NMR) of 100 dB at 50/60 Hz.
- Flexible Configuration: Manual or software-based configuration via RS-485 commands; EEPROM stores all settings.
- Dual Watchdog System: Hardware (module) and software (host) watchdogs ensure continuous operation and fail-safe behavior.
- Wide Power Supply Range: Operates from +10 VDC to +30 VDC.
- Industrial-Grade Design: Suitable for harsh environments with wide operating temperature range and surge protection.
- Calibration Support: Built-in calibration commands for zero and span adjustment, ensuring long-term measurement accuracy.
- INIT* Mode: Dedicated configuration mode for resetting or reprogramming module parameters.
- Compact Modular Form Factor: Designed for DIN-rail or panel mounting in distributed control systems.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Interface | RS-485, 2-wire |
| Communication Speed (bps) | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
| Analog Input Type | 6 differential + 2 single-ended (configurable) |
| Number of Channels | 8 |
| Resolution | 16-bit |
| Input Voltage Ranges | ±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V |
| Input Current Range | ±20 mA (requires external 125 Ω, 0.1% resistor) |
| Sampling Rate | 10 samples/sec (10 Hz) |
| 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 | 240 Vrms between Vin+ and Vin– |
| Power Supply | +10 VDC to +30 VDC |
| Warm-Up Time | 30 minutes recommended before operation |
| Isolation | Channel-to-channel and channel-to-system isolation |
| Operating Temperature | Wide industrial range (typically –25 °C to +75 °C, depending on installation) |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 10–90% RH, non-condensing |
| Mounting | DIN-rail or panel mount |
| Housing Material | Industrial-grade ABS or polycarbonate enclosure |
| Protection Class | IP20 (typical for modular I/O enclosures) |

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### 4. Functionality

The EX9017R functions as a remote analog input acquisition module within an RS-485 network. Each of its eight channels can measure either voltage or current signals, depending on configuration. The module converts analog signals into 16-bit digital data and transmits them over the RS-485 bus to a host controller, PLC, or SCADA system.

Operating Principle:
- Analog signals are applied to the input terminals (Vin+ and Vin–).
- The module’s internal ADC converts the analog voltage or current into a digital value.
- The data is transmitted via the RS-485 interface using ASCII-based command protocols.
- The host system can poll the module for individual channel readings or all channels simultaneously.
- Configuration parameters (address, baud rate, input type, data format) are stored in non-volatile EEPROM.

Use Cases and Applications:
- Industrial process monitoring (temperature, pressure, flow sensors with voltage/current outputs)
- Remote data acquisition in distributed control systems
- SCADA and telemetry systems
- Laboratory instrumentation and test benches
- Energy management and environmental monitoring
- Integration with PLCs, HMIs, and industrial PCs via Modbus/ASCII protocols

Compatibility:
- Compatible with standard RS-485 networks and Modbus-compatible systems.
- Works with EX9000 series modules and ICP DAS communication converters.
- Supports integration with PC-based SCADA software and custom automation controllers.

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### 5. Components & Accessories

Included Items:
- EX9017R analog input module
- User manual/documentation
- Configuration software (for Windows, typically provided by manufacturer)

Optional Accessories:
- External 125 Ω precision resistor (0.1%) for current measurement mode
- RS-485 communication cable
- DIN-rail mounting kit
- Power supply (10–30 VDC regulated)
- RS-485 to USB or RS-232 converter for PC configuration
- Terminal blocks and wiring accessories

Connectors:
- Screw-type terminal blocks for analog inputs and power supply
- RS-485 communication terminals (D+, D–)
- INIT* terminal or rear switch for configuration reset

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### 6. Installation & Setup

Requirements:
- DC power supply (10–30 VDC)
- RS-485 network connection (2-wire twisted pair)
- Proper grounding and shielding for noise immunity

Mounting Options:
- DIN-rail mounting (standard 35 mm rail)
- Panel mounting via screws or brackets

Configuration Steps:
1. Power Off the module before wiring.
2. Connect analog input signals to the corresponding Vin+ and Vin– terminals.
3. Connect RS-485 D+ and D– lines to the network bus.
4. Apply power (10–30 VDC).
5. Set module address and baud rate using software commands or INIT* mode.
6. Verify communication via host system or configuration utility.
7. Perform calibration if required (zero and span).

INIT* Mode Setup:
- Accessed by connecting INIT* terminal to GND or sliding the INIT* switch to “Init” position.
- Used to reset configuration or change baud rate/checksum settings.
- Default INIT* parameters: Address = 00, Baud = 9600 bps, Checksum = disabled.

Default Factory 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 Throughput:
- Sampling rate of 10 samples per second per channel ensures stable, low-noise readings suitable for slow to medium-speed process signals.
- Bandwidth of 15.7 Hz supports accurate measurement of slowly varying analog signals.

Accuracy and Stability:
- ±0.1% accuracy across all ranges ensures reliable data acquisition.
- Temperature stability maintained through low drift specifications (0.5 µV/°C zero drift, 25 ppm/°C span drift).

Isolation and Protection:
- 240 Vrms isolation between input channels and ground prevents damage from transient voltages and ground loops.
- High CMR and NMR values ensure immunity to industrial electrical noise.

Reliability Features:
- Dual Watchdog System:
- Module Watchdog: Hardware circuit resets the module if internal malfunction occurs.
- Host Watchdog: Software timer monitors communication; if host fails to respond, outputs revert to safe state.
- EEPROM-based configuration storage ensures settings persist after power loss.

Limitations:
- Sampling rate limited to 10 Hz (not suitable for high-speed dynamic signal acquisition).
- Requires external resistor for current measurement mode.
- Warm-up period (30 minutes) recommended for optimal accuracy.

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### 8. Standards & Compliance

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

Environmental and Safety Compliance:
- Designed for industrial environments with surge and isolation protection.
- Overvoltage protection up to 240 Vrms.
- Meets CE and FCC Class A emission standards (typical for EX9000 series).

Industry Standards:
- Compatible with Modbus/ASCII communication protocols.
- Conforms to industrial automation and data acquisition standards for distributed I/O modules.

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### 9. Additional Information

Calibration:
- Calibration procedure involves applying known zero and span voltages/currents to channel 0.
- Requires external precision resistor (125 Ω, 0.1%) for current calibration.
- Calibration commands: `$AA0` (Zero Calibration), `$AA1` (Span Calibration).
- Calibration should only be performed by qualified personnel.

Firmware and Configuration Commands:
- Supports a comprehensive ASCII command set for configuration, data reading, and diagnostics.
- Key commands include:
- `%AANNTTCCFF` – Set configuration (address, type, baud rate, format)
- `#AA` – Read all analog inputs
- `#AAN` – Read single channel
- `$AA2` – Read configuration
- `$AAF` – Read firmware version
- `$AAM` – Read module name
- `~AA3EVV` – Set host watchdog timeout

Firmware Version Example: M6.92 (as returned by `$01F` command).

Maintenance:
- Periodic calibration recommended for long-term accuracy.
- Ensure proper grounding and shielding to prevent noise interference.
- Inspect terminal connections regularly for corrosion or looseness.

Warranty and Support:
- Typically covered by a 1-year limited manufacturer warranty (varies by distributor).
- Technical support and firmware updates available from ICP DAS or authorized partners.
- Software utilities and documentation downloadable from manufacturer’s website.

Software and Integration:
- Compatible with ICP DAS configuration tools and third-party SCADA software.
- Supports ASCII command interface for integration into custom applications.
- Can be used with converters (e.g., USB-to-RS485) for PC-based configuration.

Reliability and Longevity:
- Designed for continuous 24/7 operation in industrial environments.
- EEPROM retains configuration for >100,000 write cycles.
- Watchdog and reset mechanisms ensure uninterrupted operation even under fault conditions.

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### Summary

The EX9017R is a robust, high-precision 8-channel analog input module engineered for industrial data acquisition and control systems. With 16-bit resolution, wide input range flexibility, and 240 Vrms isolation, it provides reliable measurement of voltage and current signals in demanding environments. Its RS-485 interface allows seamless integration into distributed control networks, while its dual watchdog system and EEPROM-based configuration ensure operational stability and data integrity. The EX9017R’s combination of accuracy, isolation, and configurability makes it an ideal choice for SCADA, process monitoring, and remote sensing applications where precision and reliability are paramount.