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Analog Input Section
- 8 differential analog input channels (bi‑polar configuration).
- 24‑bit resolution with high accuracy and low noise.
- Input ranges: ±5 V, ±10 V, 0–20 mA, 4–20 mA.
- Common‑mode voltage tolerance up to 10 V.
- Over‑voltage protection up to 20 V DC (max).
- Input filter options: 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz.
- Sampling rate: 10 samples per second.
- Typical offset error: 2.5 µV; maximum 5 µV.
- Offset drift: 20 nV/°C.
- Common‑mode rejection ratio (CMRR): 120 dB.
Analog Output Section
- 2 analog output channels.
- 12‑bit resolution (EMA‑8308D variant).
- Output range: −10 V to +10 V DC.
- Overload protection: 50 mA (peak).
- Short‑circuit and over‑voltage protection up to 20 V DC.
Ethernet Communication
- Dual 10/100 Mbps auto‑switching Ethernet ports (2 × RJ‑45).
- Web‑based configuration and control interface.
- IP address reassignment and software key protection.
- Supports UDP communication protocol for remote I/O control.
- Default IP: 192.168.0.100; default port: 6936.
General Features
- Compact, rugged metal housing for industrial use.
- DIN‑rail mountable design.
- Power supply: 12–24 V DC input.
- Operating temperature: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH (non‑condensing).
- Dimensions: 107.6 (D) × 135.8 (W) × 34 (H) mm (4.3 × 5.4 × 1.4 in).
- 8 differential analog input channels (bi‑polar configuration).
- 24‑bit resolution with high accuracy and low noise.
- Input ranges: ±5 V, ±10 V, 0–20 mA, 4–20 mA.
- Common‑mode voltage tolerance up to 10 V.
- Over‑voltage protection up to 20 V DC (max).
- Input filter options: 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz.
- Sampling rate: 10 samples per second.
- Typical offset error: 2.5 µV; maximum 5 µV.
- Offset drift: 20 nV/°C.
- Common‑mode rejection ratio (CMRR): 120 dB.
Analog Output Section
- 2 analog output channels.
- 12‑bit resolution (EMA‑8308D variant).
- Output range: −10 V to +10 V DC.
- Overload protection: 50 mA (peak).
- Short‑circuit and over‑voltage protection up to 20 V DC.
Ethernet Communication
- Dual 10/100 Mbps auto‑switching Ethernet ports (2 × RJ‑45).
- Web‑based configuration and control interface.
- IP address reassignment and software key protection.
- Supports UDP communication protocol for remote I/O control.
- Default IP: 192.168.0.100; default port: 6936.
General Features
- Compact, rugged metal housing for industrial use.
- DIN‑rail mountable design.
- Power supply: 12–24 V DC input.
- Operating temperature: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH (non‑condensing).
- Dimensions: 107.6 (D) × 135.8 (W) × 34 (H) mm (4.3 × 5.4 × 1.4 in).
Comprehensive Product Summary – EMA‑8308D Ethernet Analog I/O Module
### 1. Product Overview
Product Name: Ethernet Analog I/O Module
Model: EMA‑8308D
Series: EMA‑8308 / EMA‑8308A / EMA‑8308D / EMA‑8308DA
Article Number: EMA‑8308D
Manufacturer: JS Automation Corp. (健昇科技股份有限公司)
Manufacturer Address: 6F., No.100, Zhongxing Rd., Xizhi Dist., New Taipei City, Taiwan
Website: [www.automation.com.tw](http://www.automation.com.tw) / [www.automation-js.com](http://www.automation-js.com)
Contact: control.cards@automation.com.tw | Tel: +886‑2‑2647‑6936 | Fax: +886‑2‑2647‑6940
The EMA‑8308D is a high‑precision, Ethernet‑based analog input/output module designed for remote data acquisition and control applications. It provides 8 differential analog input channels with 24‑bit resolution and 2 analog output channels with 12‑bit resolution, supporting both voltage and current signal ranges. The module integrates dual Ethernet ports for flexible network topology and is housed in a compact, DIN‑rail‑mountable metal enclosure suitable for industrial environments.
### 2. Key Features
Analog Input Section
- 8 differential analog input channels (bi‑polar configuration).
- 24‑bit resolution with high accuracy and low noise.
- Input ranges: ±5 V, ±10 V, 0–20 mA, 4–20 mA.
- Common‑mode voltage tolerance up to 10 V.
- Over‑voltage protection up to 20 V DC (max).
- Input filter options: 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz.
- Sampling rate: 10 samples per second.
- Typical offset error: 2.5 µV; maximum 5 µV.
- Offset drift: 20 nV/°C.
- Common‑mode rejection ratio (CMRR): 120 dB.
Analog Output Section
- 2 analog output channels.
- 12‑bit resolution (EMA‑8308D variant).
- Output range: −10 V to +10 V DC.
- Overload protection: 50 mA (peak).
- Short‑circuit and over‑voltage protection up to 20 V DC.
Ethernet Communication
- Dual 10/100 Mbps auto‑switching Ethernet ports (2 × RJ‑45).
- Web‑based configuration and control interface.
- IP address reassignment and software key protection.
- Supports UDP communication protocol for remote I/O control.
- Default IP: 192.168.0.100; default port: 6936.
General Features
- Compact, rugged metal housing for industrial use.
- DIN‑rail mountable design.
- Power supply: 12–24 V DC input.
- Operating temperature: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH (non‑condensing).
- Dimensions: 107.6 (D) × 135.8 (W) × 34 (H) mm (4.3 × 5.4 × 1.4 in).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Analog Inputs | 8 channels, differential, bi‑polar |
| Resolution (A/D) | 24 bits |
| Input Ranges | ±5 V, ±10 V, 0–20 mA, 4–20 mA |
| Input Type | Differential |
| Input Filter Frequencies | 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz |
| Sample Rate | 10 samples/s |
| Offset Error | 2.5 µV typ., 5 µV max |
| Offset Drift | 20 nV/°C |
| CMRR | 120 dB |
| Over‑Voltage Protection | 20 V DC max |
| Analog Outputs | 2 channels |
| Resolution (D/A) | 12 bits |
| Output Range | −10 V to +10 V DC |
| Overload Protection | 50 mA (peak) |
| Ethernet Ports | 2 × RJ‑45, 10/100 Mbps auto‑switch |
| Power Supply | 12–24 V DC |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | −20 °C to +80 °C |
| Humidity | 5–95 % RH, non‑condensing |
| Dimensions | 107.6 × 135.8 × 34 mm |
| Mounting | DIN‑rail |
| Housing Material | Metal enclosure |
| Manufacturer | JS Automation Corp., Taiwan |
### 4. Functionality
The EMA‑8308D functions as a remote analog I/O interface module that communicates via Ethernet using UDP protocol. It allows analog signal acquisition and generation over a network, enabling distributed control and monitoring systems.
Working Principle:
- Analog input signals (voltage or current) are converted to digital data using a 24‑bit ADC.
- The module transmits these values to a host controller or PC over Ethernet.
- Analog output channels convert digital commands from the host into analog voltages (−10 V to +10 V).
- Configuration and control are accessible through a built‑in web interface or via software libraries (DLLs) for Windows and Linux.
Use Cases and Applications:
- Remote analog voltage or current sensing.
- Industrial process monitoring and control.
- Sensor signal acquisition and data logging.
- Remote voltage output for actuator or control signal generation.
- Integration into SCADA, PLC, or PC‑based automation systems.
- Suitable for laboratory instrumentation, test benches, and distributed measurement networks.
Compatibility:
- Compatible with Windows 2000/XP/Vista and later.
- Supports programming via C/C++, Visual Basic, or any environment capable of calling Windows DLLs.
- Provides DLL libraries and API functions for integration into custom applications.
### 5. Components & Accessories
Included Components:
- EMA‑8308D main module.
- Dual RJ‑45 Ethernet ports (J2, J4).
- Analog input connectors (JM1, JM2).
- Analog output connector (JM3).
- External power connector (JM4).
- System reset switch (SW2).
- System active LED indicator (LED1).
- Factory‑preset voltage trimmers (DA0, DA1).
Optional Accessories:
- JD52000: 110/220 V AC to 24 V DC @ 1.5 A power supply.
- JS52026: 110/220 V AC to 24 V DC @ 0.75 A power adapter.
Connectors and Pin Assignments:
JM1 (Analog Input 0–7):
1 AI00, 2 AI01, 3 AI02, 4 AI03, 5 GND, 6 AI04, 7 AI05, 8 AI06, 9 AI07, 10 GND
JM2 (Analog Input 8–15):
1 AI10, 2 AI11, 3 AI12, 4 AI13, 5 GND, 6 AI14, 7 AI15, 8 AI16, 9 AI17, 10 GND
JM3 (Analog Output):
1 DA0, 2 DA1, 3 GND
### 6. Installation & Setup
Mounting:
- DIN‑rail mountable for industrial control cabinets.
- Metal enclosure ensures mechanical robustness and EMI shielding.
Power Requirements:
- 12–24 V DC regulated supply.
- External power connection via JM4 terminal.
Network Configuration:
- Default IP: 192.168.0.100
- Default port: 6936
- Supports IP reassignment and port configuration via software or web interface.
- Dual Ethernet ports allow daisy‑chain or redundant network configurations.
Software Installation:
- Install driver and API using EMA8308_Install.exe.
- Creates directories for API, driver, and demo programs under “JS Automation\EMA8308”.
- DLL file: EMA8308.dll (Windows dynamic link library).
- Compatible with Borland C/C++, Microsoft Visual C/C++, and Visual Basic.
Configuration Tools:
- Web‑based interface for direct control and monitoring.
- DLL‑based API for programmatic access.
- Functions for initialization, configuration, data acquisition, and output control.
### 7. Performance & Capabilities
Analog Input Performance:
- 24‑bit ADC provides high‑resolution measurement with low noise.
- Configurable input filters balance bandwidth and noise performance:
- 7.03 kHz (23 µV RMS noise)
- 3.52 kHz (3.6 µV RMS noise)
- 1.76 kHz (2.1 µV RMS noise)
- 879 Hz (1.5 µV RMS noise)
- Sampling rate: 10 samples/s per channel.
- High common‑mode rejection ensures accurate differential measurements.
Analog Output Performance:
- 12‑bit DAC resolution (−2048 to +2047 counts).
- Output voltage range: −10 V to +10 V.
- Output current capability: up to 50 mA (peak).
- Overload and short‑circuit protection.
Network Performance:
- Dual 10/100 Mbps Ethernet ports with auto‑negotiation.
- UDP‑based communication ensures low‑latency data transfer.
- Supports multiple modules on the same network via unique IP and CardID assignments.
Software Capabilities:
- Full API for analog input/output configuration and data access.
- Functions for IP and port management, reboot, and security control.
- Security features include password protection and software key locking.
- Error handling with detailed status codes for diagnostics.
Limitations:
- Sampling rate limited to 10 samples/s (optimized for precision, not high‑speed acquisition).
- Analog output limited to ±10 V range and 50 mA peak current.
- Requires stable DC power supply and proper grounding for noise immunity.
### 8. Standards & Compliance
Electrical and Environmental Compliance:
- Designed for industrial automation environments.
- Operating temperature range: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH, non‑condensing.
- Over‑voltage and overload protection on all analog channels.
Network Standards:
- IEEE 802.3 10/100 Base‑T Ethernet compliance.
- UDP/IP communication protocol.
Software and Interface Standards:
- Windows DLL interface compatible with standard development environments.
- Supports C/C++, Visual Basic, and Borland C++ Builder.
Safety and Quality:
- Manufactured by JS Automation Corp., ISO‑certified industrial electronics manufacturer.
- Factory‑tested for electrical safety and functional reliability.
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (contact JS Automation for terms).
- Technical support available via email and website.
- Firmware and software updates downloadable from manufacturer’s site.
Maintenance:
- No periodic calibration required under normal conditions.
- Ensure clean, dry environment and stable power supply.
- Firmware updates can be applied via Ethernet interface.
Software Updates & API Extensions:
- DLL version: EMA8308.dll v1.0.
- Firmware version: 1.0 (upgradable).
- API functions include initialization, configuration, data read/write, IP management, and security control.
Error Handling:
- Comprehensive error code system for diagnostics:
- 0 = No error
- 1 = Socket initialization error
- 2 = IP address error
- 100–315 = Device communication and parameter errors
- Status codes returned as 32‑bit unsigned integers.
Security Features:
- Password‑protected configuration and output control.
- Default password: “12345678”.
- Functions for password change, reset to default, and security unlock.
Ordering Information:
| Model | Description |
|------------|----------------|
| EMA‑8308 | 24‑bit unipolar 8 differential / 16 single‑end AI, 2 × 12‑bit AO |
| EMA‑8308A | 24‑bit unipolar 8 differential / 16 single‑end AI, 2 × 16‑bit AO |
| EMA‑8308D | 24‑bit bipolar 8 differential AI, 2 × 12‑bit AO |
| EMA‑8308DA | 24‑bit bipolar 8 differential AI, 2 × 16‑bit AO |
Recommended Power Supplies:
- JD52000 (24 V DC @ 1.5 A)
- JS52026 (24 V DC @ 0.75 A)
### Summary
The JS Automation EMA‑8308D is a precision Ethernet‑based analog I/O module engineered for industrial and laboratory applications requiring high‑accuracy analog signal acquisition and generation over a network. With 8 differential 24‑bit analog inputs, 2 12‑bit analog outputs, and dual Ethernet ports, it provides a robust, flexible, and easily integrable solution for distributed control systems. Its combination of hardware protection, software configurability, and network versatility makes it ideal for remote monitoring, process control, and data acquisition tasks in modern automation environments.
### 1. Product Overview
Product Name: Ethernet Analog I/O Module
Model: EMA‑8308D
Series: EMA‑8308 / EMA‑8308A / EMA‑8308D / EMA‑8308DA
Article Number: EMA‑8308D
Manufacturer: JS Automation Corp. (健昇科技股份有限公司)
Manufacturer Address: 6F., No.100, Zhongxing Rd., Xizhi Dist., New Taipei City, Taiwan
Website: [www.automation.com.tw](http://www.automation.com.tw) / [www.automation-js.com](http://www.automation-js.com)
Contact: control.cards@automation.com.tw | Tel: +886‑2‑2647‑6936 | Fax: +886‑2‑2647‑6940
The EMA‑8308D is a high‑precision, Ethernet‑based analog input/output module designed for remote data acquisition and control applications. It provides 8 differential analog input channels with 24‑bit resolution and 2 analog output channels with 12‑bit resolution, supporting both voltage and current signal ranges. The module integrates dual Ethernet ports for flexible network topology and is housed in a compact, DIN‑rail‑mountable metal enclosure suitable for industrial environments.
### 2. Key Features
Analog Input Section
- 8 differential analog input channels (bi‑polar configuration).
- 24‑bit resolution with high accuracy and low noise.
- Input ranges: ±5 V, ±10 V, 0–20 mA, 4–20 mA.
- Common‑mode voltage tolerance up to 10 V.
- Over‑voltage protection up to 20 V DC (max).
- Input filter options: 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz.
- Sampling rate: 10 samples per second.
- Typical offset error: 2.5 µV; maximum 5 µV.
- Offset drift: 20 nV/°C.
- Common‑mode rejection ratio (CMRR): 120 dB.
Analog Output Section
- 2 analog output channels.
- 12‑bit resolution (EMA‑8308D variant).
- Output range: −10 V to +10 V DC.
- Overload protection: 50 mA (peak).
- Short‑circuit and over‑voltage protection up to 20 V DC.
Ethernet Communication
- Dual 10/100 Mbps auto‑switching Ethernet ports (2 × RJ‑45).
- Web‑based configuration and control interface.
- IP address reassignment and software key protection.
- Supports UDP communication protocol for remote I/O control.
- Default IP: 192.168.0.100; default port: 6936.
General Features
- Compact, rugged metal housing for industrial use.
- DIN‑rail mountable design.
- Power supply: 12–24 V DC input.
- Operating temperature: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH (non‑condensing).
- Dimensions: 107.6 (D) × 135.8 (W) × 34 (H) mm (4.3 × 5.4 × 1.4 in).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Analog Inputs | 8 channels, differential, bi‑polar |
| Resolution (A/D) | 24 bits |
| Input Ranges | ±5 V, ±10 V, 0–20 mA, 4–20 mA |
| Input Type | Differential |
| Input Filter Frequencies | 7.03 kHz, 3.52 kHz, 1.76 kHz, 879 Hz |
| Sample Rate | 10 samples/s |
| Offset Error | 2.5 µV typ., 5 µV max |
| Offset Drift | 20 nV/°C |
| CMRR | 120 dB |
| Over‑Voltage Protection | 20 V DC max |
| Analog Outputs | 2 channels |
| Resolution (D/A) | 12 bits |
| Output Range | −10 V to +10 V DC |
| Overload Protection | 50 mA (peak) |
| Ethernet Ports | 2 × RJ‑45, 10/100 Mbps auto‑switch |
| Power Supply | 12–24 V DC |
| Operating Temperature | 0 °C to +70 °C |
| Storage Temperature | −20 °C to +80 °C |
| Humidity | 5–95 % RH, non‑condensing |
| Dimensions | 107.6 × 135.8 × 34 mm |
| Mounting | DIN‑rail |
| Housing Material | Metal enclosure |
| Manufacturer | JS Automation Corp., Taiwan |
### 4. Functionality
The EMA‑8308D functions as a remote analog I/O interface module that communicates via Ethernet using UDP protocol. It allows analog signal acquisition and generation over a network, enabling distributed control and monitoring systems.
Working Principle:
- Analog input signals (voltage or current) are converted to digital data using a 24‑bit ADC.
- The module transmits these values to a host controller or PC over Ethernet.
- Analog output channels convert digital commands from the host into analog voltages (−10 V to +10 V).
- Configuration and control are accessible through a built‑in web interface or via software libraries (DLLs) for Windows and Linux.
Use Cases and Applications:
- Remote analog voltage or current sensing.
- Industrial process monitoring and control.
- Sensor signal acquisition and data logging.
- Remote voltage output for actuator or control signal generation.
- Integration into SCADA, PLC, or PC‑based automation systems.
- Suitable for laboratory instrumentation, test benches, and distributed measurement networks.
Compatibility:
- Compatible with Windows 2000/XP/Vista and later.
- Supports programming via C/C++, Visual Basic, or any environment capable of calling Windows DLLs.
- Provides DLL libraries and API functions for integration into custom applications.
### 5. Components & Accessories
Included Components:
- EMA‑8308D main module.
- Dual RJ‑45 Ethernet ports (J2, J4).
- Analog input connectors (JM1, JM2).
- Analog output connector (JM3).
- External power connector (JM4).
- System reset switch (SW2).
- System active LED indicator (LED1).
- Factory‑preset voltage trimmers (DA0, DA1).
Optional Accessories:
- JD52000: 110/220 V AC to 24 V DC @ 1.5 A power supply.
- JS52026: 110/220 V AC to 24 V DC @ 0.75 A power adapter.
Connectors and Pin Assignments:
JM1 (Analog Input 0–7):
1 AI00, 2 AI01, 3 AI02, 4 AI03, 5 GND, 6 AI04, 7 AI05, 8 AI06, 9 AI07, 10 GND
JM2 (Analog Input 8–15):
1 AI10, 2 AI11, 3 AI12, 4 AI13, 5 GND, 6 AI14, 7 AI15, 8 AI16, 9 AI17, 10 GND
JM3 (Analog Output):
1 DA0, 2 DA1, 3 GND
### 6. Installation & Setup
Mounting:
- DIN‑rail mountable for industrial control cabinets.
- Metal enclosure ensures mechanical robustness and EMI shielding.
Power Requirements:
- 12–24 V DC regulated supply.
- External power connection via JM4 terminal.
Network Configuration:
- Default IP: 192.168.0.100
- Default port: 6936
- Supports IP reassignment and port configuration via software or web interface.
- Dual Ethernet ports allow daisy‑chain or redundant network configurations.
Software Installation:
- Install driver and API using EMA8308_Install.exe.
- Creates directories for API, driver, and demo programs under “JS Automation\EMA8308”.
- DLL file: EMA8308.dll (Windows dynamic link library).
- Compatible with Borland C/C++, Microsoft Visual C/C++, and Visual Basic.
Configuration Tools:
- Web‑based interface for direct control and monitoring.
- DLL‑based API for programmatic access.
- Functions for initialization, configuration, data acquisition, and output control.
### 7. Performance & Capabilities
Analog Input Performance:
- 24‑bit ADC provides high‑resolution measurement with low noise.
- Configurable input filters balance bandwidth and noise performance:
- 7.03 kHz (23 µV RMS noise)
- 3.52 kHz (3.6 µV RMS noise)
- 1.76 kHz (2.1 µV RMS noise)
- 879 Hz (1.5 µV RMS noise)
- Sampling rate: 10 samples/s per channel.
- High common‑mode rejection ensures accurate differential measurements.
Analog Output Performance:
- 12‑bit DAC resolution (−2048 to +2047 counts).
- Output voltage range: −10 V to +10 V.
- Output current capability: up to 50 mA (peak).
- Overload and short‑circuit protection.
Network Performance:
- Dual 10/100 Mbps Ethernet ports with auto‑negotiation.
- UDP‑based communication ensures low‑latency data transfer.
- Supports multiple modules on the same network via unique IP and CardID assignments.
Software Capabilities:
- Full API for analog input/output configuration and data access.
- Functions for IP and port management, reboot, and security control.
- Security features include password protection and software key locking.
- Error handling with detailed status codes for diagnostics.
Limitations:
- Sampling rate limited to 10 samples/s (optimized for precision, not high‑speed acquisition).
- Analog output limited to ±10 V range and 50 mA peak current.
- Requires stable DC power supply and proper grounding for noise immunity.
### 8. Standards & Compliance
Electrical and Environmental Compliance:
- Designed for industrial automation environments.
- Operating temperature range: 0 °C to +70 °C.
- Storage temperature: −20 °C to +80 °C.
- Humidity: 5–95 % RH, non‑condensing.
- Over‑voltage and overload protection on all analog channels.
Network Standards:
- IEEE 802.3 10/100 Base‑T Ethernet compliance.
- UDP/IP communication protocol.
Software and Interface Standards:
- Windows DLL interface compatible with standard development environments.
- Supports C/C++, Visual Basic, and Borland C++ Builder.
Safety and Quality:
- Manufactured by JS Automation Corp., ISO‑certified industrial electronics manufacturer.
- Factory‑tested for electrical safety and functional reliability.
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (contact JS Automation for terms).
- Technical support available via email and website.
- Firmware and software updates downloadable from manufacturer’s site.
Maintenance:
- No periodic calibration required under normal conditions.
- Ensure clean, dry environment and stable power supply.
- Firmware updates can be applied via Ethernet interface.
Software Updates & API Extensions:
- DLL version: EMA8308.dll v1.0.
- Firmware version: 1.0 (upgradable).
- API functions include initialization, configuration, data read/write, IP management, and security control.
Error Handling:
- Comprehensive error code system for diagnostics:
- 0 = No error
- 1 = Socket initialization error
- 2 = IP address error
- 100–315 = Device communication and parameter errors
- Status codes returned as 32‑bit unsigned integers.
Security Features:
- Password‑protected configuration and output control.
- Default password: “12345678”.
- Functions for password change, reset to default, and security unlock.
Ordering Information:
| Model | Description |
|------------|----------------|
| EMA‑8308 | 24‑bit unipolar 8 differential / 16 single‑end AI, 2 × 12‑bit AO |
| EMA‑8308A | 24‑bit unipolar 8 differential / 16 single‑end AI, 2 × 16‑bit AO |
| EMA‑8308D | 24‑bit bipolar 8 differential AI, 2 × 12‑bit AO |
| EMA‑8308DA | 24‑bit bipolar 8 differential AI, 2 × 16‑bit AO |
Recommended Power Supplies:
- JD52000 (24 V DC @ 1.5 A)
- JS52026 (24 V DC @ 0.75 A)
### Summary
The JS Automation EMA‑8308D is a precision Ethernet‑based analog I/O module engineered for industrial and laboratory applications requiring high‑accuracy analog signal acquisition and generation over a network. With 8 differential 24‑bit analog inputs, 2 12‑bit analog outputs, and dual Ethernet ports, it provides a robust, flexible, and easily integrable solution for distributed control systems. Its combination of hardware protection, software configurability, and network versatility makes it ideal for remote monitoring, process control, and data acquisition tasks in modern automation environments.
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