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Analog Input Features:
- High-resolution 24-bit A/D conversion for precise analog signal measurement.
- 8 differential input channels supporting bipolar voltage and current signals.
- Selectable input ranges:
- Voltage: ±5V, ±10V
- Current: 0–20mA, 4–20mA
- Sampling rate: 10 samples per second per channel.
- High common-mode voltage tolerance: up to 10V.
- Excellent noise rejection: 120dB common-mode rejection ratio (CMRR).
- Input filter options: 7.03kHz, 3.52kHz, 1.76kHz, 879Hz.
- Over-voltage protection: up to 20VDC maximum.
- Offset error: 2.5µV typical, 5µV maximum.
- Offset drift: 20nV/°C.
Analog Output Features:
- 2 analog output channels with 16-bit D/A resolution.
- Output range: ±10VDC.
- Overload protection: 50mA peak.
- Over-voltage protection: up to 20VDC.
- Factory preset voltage trimmers (DA0, DA1) for calibration.
Ethernet Communication:
- 10/100 Mbps auto-detecting Ethernet interface.
- Web-based configuration and control interface.
- IP address reassignment and remote configuration.
- Supports direct socket communication via DLL libraries.
General Features:
- DIN rail mountable compact industrial design.
- Power supply: 12–24VDC input.
- Operating temperature: 0°C to +70°C.
- Storage temperature: -20°C to +80°C.
- Humidity tolerance: 5–95% RH, non-condensing.
- Dimensions: 89(D) × 110(W) × 34(H) mm (3.5 × 4.33 × 1.39 in).
- High-resolution 24-bit A/D conversion for precise analog signal measurement.
- 8 differential input channels supporting bipolar voltage and current signals.
- Selectable input ranges:
- Voltage: ±5V, ±10V
- Current: 0–20mA, 4–20mA
- Sampling rate: 10 samples per second per channel.
- High common-mode voltage tolerance: up to 10V.
- Excellent noise rejection: 120dB common-mode rejection ratio (CMRR).
- Input filter options: 7.03kHz, 3.52kHz, 1.76kHz, 879Hz.
- Over-voltage protection: up to 20VDC maximum.
- Offset error: 2.5µV typical, 5µV maximum.
- Offset drift: 20nV/°C.
Analog Output Features:
- 2 analog output channels with 16-bit D/A resolution.
- Output range: ±10VDC.
- Overload protection: 50mA peak.
- Over-voltage protection: up to 20VDC.
- Factory preset voltage trimmers (DA0, DA1) for calibration.
Ethernet Communication:
- 10/100 Mbps auto-detecting Ethernet interface.
- Web-based configuration and control interface.
- IP address reassignment and remote configuration.
- Supports direct socket communication via DLL libraries.
General Features:
- DIN rail mountable compact industrial design.
- Power supply: 12–24VDC input.
- Operating temperature: 0°C to +70°C.
- Storage temperature: -20°C to +80°C.
- Humidity tolerance: 5–95% RH, non-condensing.
- Dimensions: 89(D) × 110(W) × 34(H) mm (3.5 × 4.33 × 1.39 in).
Comprehensive Product Summary – EMA7308DA Ethernet Bipolar Analog I/O Module
### 1. Product Overview
Product Name: Ethernet Bipolar Analog I/O Module
Model: EMA7308DA
Series: EMA7308 Series (includes EMA7308, EMA7308A, EMA7308D, EMA7308DA)
Article Number: EMA7308DA
Manufacturer: JS Automation Corp. (健昇科技股份有限公司)
Manufacturer Address: 6F, No.100, Chungshin Rd., Shitsu, Taipei, Taiwan, R.O.C.
Website: [http://www.automation.com.tw](http://www.automation.com.tw)
Contact: control.cards@automation.com.tw
Telephone: +886-2-2647-6936
Fax: +886-2-2647-6940
The EMA7308DA is a high-precision, Ethernet-based analog input/output module designed for industrial automation, remote monitoring, and control applications. It provides 8 differential 24-bit bipolar analog inputs and 2 analog outputs with 16-bit resolution, offering robust performance for data acquisition and control over Ethernet networks. The module supports both voltage and current input ranges and provides ±10V analog output capability with overload protection.
### 2. Key Features
Analog Input Features:
- High-resolution 24-bit A/D conversion for precise analog signal measurement.
- 8 differential input channels supporting bipolar voltage and current signals.
- Selectable input ranges:
- Voltage: ±5V, ±10V
- Current: 0–20mA, 4–20mA
- Sampling rate: 10 samples per second per channel.
- High common-mode voltage tolerance: up to 10V.
- Excellent noise rejection: 120dB common-mode rejection ratio (CMRR).
- Input filter options: 7.03kHz, 3.52kHz, 1.76kHz, 879Hz.
- Over-voltage protection: up to 20VDC maximum.
- Offset error: 2.5µV typical, 5µV maximum.
- Offset drift: 20nV/°C.
Analog Output Features:
- 2 analog output channels with 16-bit D/A resolution.
- Output range: ±10VDC.
- Overload protection: 50mA peak.
- Over-voltage protection: up to 20VDC.
- Factory preset voltage trimmers (DA0, DA1) for calibration.
Ethernet Communication:
- 10/100 Mbps auto-detecting Ethernet interface.
- Web-based configuration and control interface.
- IP address reassignment and remote configuration.
- Supports direct socket communication via DLL libraries.
General Features:
- DIN rail mountable compact industrial design.
- Power supply: 12–24VDC input.
- Operating temperature: 0°C to +70°C.
- Storage temperature: -20°C to +80°C.
- Humidity tolerance: 5–95% RH, non-condensing.
- Dimensions: 89(D) × 110(W) × 34(H) mm (3.5 × 4.33 × 1.39 in).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Analog Input Channels | 8 differential |
| Resolution (A/D) | 24-bit |
| Input Ranges (EMA7308DA) | ±5V, ±10V, 0–20mA, 4–20mA |
| Input Type | Differential |
| Input Filter Frequencies | 7.03kHz, 3.52kHz, 1.76kHz, 879Hz |
| Input Protection | 20VDC max |
| Common Mode Voltage | Up to 10V |
| CMRR | 120dB |
| Sample Rate | 10 samples/sec |
| Offset Error | 2.5µV typ., 5µV max |
| Offset Drift | 20nV/°C |
| Analog Output Channels | 2 |
| Resolution (D/A) | 16-bit |
| Output Range | ±10VDC |
| Output Protection | 50mA peak overload, 20VDC over-voltage |
| Ethernet Interface | 10/100 Mbps auto-switching |
| Power Supply | 12–24VDC |
| Operating Temperature | 0°C to +70°C |
| Storage Temperature | -20°C to +80°C |
| Humidity | 5–95% RH, non-condensing |
| Dimensions | 89 × 110 × 34 mm |
| Mounting | DIN rail |
| Weight | Approx. 200–250g (typical for module class) |
### 4. Functionality
The EMA7308DA functions as a remote Ethernet-based analog I/O module, enabling precise analog signal acquisition and generation over a standard TCP/IP network. It is designed for integration into distributed control systems, SCADA environments, and industrial automation networks.
Operation Principle:
- The module digitizes analog input signals using a 24-bit ADC and transmits the data via Ethernet to a host PC or controller.
- Analog outputs are generated through 16-bit DACs, allowing precise voltage control from remote systems.
- Communication is handled through Ethernet sockets, with support for direct control via DLL libraries or web-based configuration.
Use Cases and Applications:
- Remote analog voltage and current sensing.
- Industrial process monitoring and control.
- Sensor signal acquisition and conditioning.
- Remote voltage output for actuator or control signal generation.
- Integration with PLCs, SCADA systems, and PC-based control software.
- Laboratory instrumentation and data logging.
Compatibility:
- Compatible with Windows 2000/XP/Vista and Linux systems.
- Supports programming via Borland C/C++, Microsoft Visual C/C++, and Visual Basic.
- Provides DLL libraries for integration into custom applications.
### 5. Components & Accessories
Included Components:
- EMA7308DA main module.
- Ethernet RJ45 port (J1).
- Analog input connectors (JM1, JM2).
- Analog output connector (JM3).
- External power connector (JM4).
- System reset switch (SW2).
- Factory preset voltage trimmers (DA0, DA1).
- LED1 system activity indicator.
Optional Accessories:
- JD52000: 110/220VAC to 24VDC @1.5A power supply.
- JD52026: 110/220VAC to 24VDC @0.75A power adapter.
Connectors and Pinouts:
- JM1/JM2 (Analog Inputs):
- AI00–AI07, AI10–AI17 with GND reference pins.
- JM3 (Analog Outputs):
- DA0, DA1, GND.
### 6. Installation & Setup
Mounting:
- DIN rail mounting for industrial control cabinets.
- Compact form factor suitable for panel integration.
Power Requirements:
- 12–24VDC regulated supply.
- Typical consumption <5W.
Network Configuration:
- Connect via standard RJ45 Ethernet cable.
- Default IP address: 192.168.0.100.
- Default remote port: 6936.
- Default host port: 15120.
- IP and port can be reassigned using software commands or web interface.
Software Installation:
- Install EMA7308 driver and API via EMA7308_Install.exe.
- Software package includes:
- Driver files.
- API libraries (EMA7308.dll).
- Demo programs and source code.
- Supported environments: Windows 2000/XP/Vista and compatible systems.
Configuration Tools:
- Web-based configuration interface.
- DLL-based API for programmatic control.
- Functions for IP change, port change, reboot, and security management.
### 7. Performance & Capabilities
Analog Input Performance:
- 24-bit resolution ensures high precision for low-level signal measurement.
- Sampling rate of 10 samples/sec suitable for slow to medium-speed process monitoring.
- High CMRR (120dB) minimizes noise in differential measurements.
- Programmable input filters allow trade-off between speed and noise performance.
Analog Output Performance:
- 16-bit resolution provides fine voltage control for actuators or signal simulation.
- ±10V output range supports standard industrial analog control signals.
- Overload protection ensures reliability under transient load conditions.
Ethernet Communication:
- 10/100 Mbps auto-switching ensures compatibility with modern networks.
- Low-latency communication suitable for distributed control.
- Supports multiple devices via unique CardID mapping.
Software Control:
- Full API access for analog input/output, configuration, and security.
- Functions include initialization, parameter setting, data read/write, and reboot.
- Security features prevent unauthorized configuration changes.
Limitations:
- Sampling rate limited to 10 samples/sec per channel (not suitable for high-speed acquisition).
- Requires external 12–24VDC power supply.
- Operating temperature limited to +70°C.
### 8. Standards & Compliance
Electrical and Environmental Compliance:
- Designed for industrial environments with wide operating temperature and humidity range.
- Over-voltage and overload protection on all analog channels.
- Complies with general industrial EMC and safety standards (manufacturer internal compliance).
Network Standards:
- IEEE 802.3 10/100Base-T Ethernet compatibility.
- TCP/IP protocol support for remote communication.
Software Compatibility:
- Windows DLL-based API compliant with standard Windows programming conventions.
- Supports C/C++, Visual Basic, and Borland development environments.
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 1 year, per JS Automation policy).
- Technical support available via email and website.
- Firmware and software updates downloadable from [automation.com.tw](http://www.automation.com.tw).
Maintenance:
- Periodic inspection of connectors and power supply recommended.
- Calibration via factory trimmers (DA0, DA1) if required.
- Firmware updates can be applied via Ethernet interface.
Software Updates & API:
- Latest DLL version: EMA7308.dll v1.1.
- API functions include initialization, analog read/write, configuration, and security management.
- Error codes provided for diagnostic feedback (e.g., IP errors, timeout, security lock).
Error Handling:
- Comprehensive error code system (0–311) for troubleshooting communication and configuration issues.
- Examples:
- `INITIAL_SOCKET_ERROR` (1): Ethernet initialization failure.
- `IP_ADDRESS_ERROR` (2): Invalid IP configuration.
- `DEVICE_RW_ERROR` (100): Module unreachable.
- `PASSWORD_ERROR` (308): Security mismatch.
Security Features:
- Password-protected configuration and output control.
- Default password: “12345678”.
- Functions for password change, reset, and lock status monitoring.
Software Integration Example:
- Initialization: `EMA7308_Initial()` maps IP and port to CardID.
- Analog Input Read: `EMA7308_AD_read()` retrieves 24-bit input data.
- Analog Output Set: `EMA7308_DA_set()` writes 16-bit output voltage.
- Configuration: `EMA7308_parameters_set()` defines input range and filter.
- Security: `EMA7308_security_unlock()` enables authorized control.
### Summary
The JS Automation EMA7308DA is a robust, high-precision Ethernet analog I/O module engineered for industrial automation, remote monitoring, and control systems. With 8 differential 24-bit bipolar analog inputs and 2 16-bit analog outputs, it provides exceptional accuracy and flexibility for voltage and current signal processing. The module’s Ethernet connectivity, web-based control, and DLL-based API make it ideal for integration into modern distributed control architectures.
Its industrial-grade design, wide input range, and comprehensive software support ensure reliable operation in demanding environments. The EMA7308DA stands out as a versatile solution for engineers requiring precise analog data acquisition and control over Ethernet networks.
### 1. Product Overview
Product Name: Ethernet Bipolar Analog I/O Module
Model: EMA7308DA
Series: EMA7308 Series (includes EMA7308, EMA7308A, EMA7308D, EMA7308DA)
Article Number: EMA7308DA
Manufacturer: JS Automation Corp. (健昇科技股份有限公司)
Manufacturer Address: 6F, No.100, Chungshin Rd., Shitsu, Taipei, Taiwan, R.O.C.
Website: [http://www.automation.com.tw](http://www.automation.com.tw)
Contact: control.cards@automation.com.tw
Telephone: +886-2-2647-6936
Fax: +886-2-2647-6940
The EMA7308DA is a high-precision, Ethernet-based analog input/output module designed for industrial automation, remote monitoring, and control applications. It provides 8 differential 24-bit bipolar analog inputs and 2 analog outputs with 16-bit resolution, offering robust performance for data acquisition and control over Ethernet networks. The module supports both voltage and current input ranges and provides ±10V analog output capability with overload protection.
### 2. Key Features
Analog Input Features:
- High-resolution 24-bit A/D conversion for precise analog signal measurement.
- 8 differential input channels supporting bipolar voltage and current signals.
- Selectable input ranges:
- Voltage: ±5V, ±10V
- Current: 0–20mA, 4–20mA
- Sampling rate: 10 samples per second per channel.
- High common-mode voltage tolerance: up to 10V.
- Excellent noise rejection: 120dB common-mode rejection ratio (CMRR).
- Input filter options: 7.03kHz, 3.52kHz, 1.76kHz, 879Hz.
- Over-voltage protection: up to 20VDC maximum.
- Offset error: 2.5µV typical, 5µV maximum.
- Offset drift: 20nV/°C.
Analog Output Features:
- 2 analog output channels with 16-bit D/A resolution.
- Output range: ±10VDC.
- Overload protection: 50mA peak.
- Over-voltage protection: up to 20VDC.
- Factory preset voltage trimmers (DA0, DA1) for calibration.
Ethernet Communication:
- 10/100 Mbps auto-detecting Ethernet interface.
- Web-based configuration and control interface.
- IP address reassignment and remote configuration.
- Supports direct socket communication via DLL libraries.
General Features:
- DIN rail mountable compact industrial design.
- Power supply: 12–24VDC input.
- Operating temperature: 0°C to +70°C.
- Storage temperature: -20°C to +80°C.
- Humidity tolerance: 5–95% RH, non-condensing.
- Dimensions: 89(D) × 110(W) × 34(H) mm (3.5 × 4.33 × 1.39 in).
### 3. Technical Specifications
| Parameter | Specification |
|----------------|------------------|
| Analog Input Channels | 8 differential |
| Resolution (A/D) | 24-bit |
| Input Ranges (EMA7308DA) | ±5V, ±10V, 0–20mA, 4–20mA |
| Input Type | Differential |
| Input Filter Frequencies | 7.03kHz, 3.52kHz, 1.76kHz, 879Hz |
| Input Protection | 20VDC max |
| Common Mode Voltage | Up to 10V |
| CMRR | 120dB |
| Sample Rate | 10 samples/sec |
| Offset Error | 2.5µV typ., 5µV max |
| Offset Drift | 20nV/°C |
| Analog Output Channels | 2 |
| Resolution (D/A) | 16-bit |
| Output Range | ±10VDC |
| Output Protection | 50mA peak overload, 20VDC over-voltage |
| Ethernet Interface | 10/100 Mbps auto-switching |
| Power Supply | 12–24VDC |
| Operating Temperature | 0°C to +70°C |
| Storage Temperature | -20°C to +80°C |
| Humidity | 5–95% RH, non-condensing |
| Dimensions | 89 × 110 × 34 mm |
| Mounting | DIN rail |
| Weight | Approx. 200–250g (typical for module class) |
### 4. Functionality
The EMA7308DA functions as a remote Ethernet-based analog I/O module, enabling precise analog signal acquisition and generation over a standard TCP/IP network. It is designed for integration into distributed control systems, SCADA environments, and industrial automation networks.
Operation Principle:
- The module digitizes analog input signals using a 24-bit ADC and transmits the data via Ethernet to a host PC or controller.
- Analog outputs are generated through 16-bit DACs, allowing precise voltage control from remote systems.
- Communication is handled through Ethernet sockets, with support for direct control via DLL libraries or web-based configuration.
Use Cases and Applications:
- Remote analog voltage and current sensing.
- Industrial process monitoring and control.
- Sensor signal acquisition and conditioning.
- Remote voltage output for actuator or control signal generation.
- Integration with PLCs, SCADA systems, and PC-based control software.
- Laboratory instrumentation and data logging.
Compatibility:
- Compatible with Windows 2000/XP/Vista and Linux systems.
- Supports programming via Borland C/C++, Microsoft Visual C/C++, and Visual Basic.
- Provides DLL libraries for integration into custom applications.
### 5. Components & Accessories
Included Components:
- EMA7308DA main module.
- Ethernet RJ45 port (J1).
- Analog input connectors (JM1, JM2).
- Analog output connector (JM3).
- External power connector (JM4).
- System reset switch (SW2).
- Factory preset voltage trimmers (DA0, DA1).
- LED1 system activity indicator.
Optional Accessories:
- JD52000: 110/220VAC to 24VDC @1.5A power supply.
- JD52026: 110/220VAC to 24VDC @0.75A power adapter.
Connectors and Pinouts:
- JM1/JM2 (Analog Inputs):
- AI00–AI07, AI10–AI17 with GND reference pins.
- JM3 (Analog Outputs):
- DA0, DA1, GND.
### 6. Installation & Setup
Mounting:
- DIN rail mounting for industrial control cabinets.
- Compact form factor suitable for panel integration.
Power Requirements:
- 12–24VDC regulated supply.
- Typical consumption <5W.
Network Configuration:
- Connect via standard RJ45 Ethernet cable.
- Default IP address: 192.168.0.100.
- Default remote port: 6936.
- Default host port: 15120.
- IP and port can be reassigned using software commands or web interface.
Software Installation:
- Install EMA7308 driver and API via EMA7308_Install.exe.
- Software package includes:
- Driver files.
- API libraries (EMA7308.dll).
- Demo programs and source code.
- Supported environments: Windows 2000/XP/Vista and compatible systems.
Configuration Tools:
- Web-based configuration interface.
- DLL-based API for programmatic control.
- Functions for IP change, port change, reboot, and security management.
### 7. Performance & Capabilities
Analog Input Performance:
- 24-bit resolution ensures high precision for low-level signal measurement.
- Sampling rate of 10 samples/sec suitable for slow to medium-speed process monitoring.
- High CMRR (120dB) minimizes noise in differential measurements.
- Programmable input filters allow trade-off between speed and noise performance.
Analog Output Performance:
- 16-bit resolution provides fine voltage control for actuators or signal simulation.
- ±10V output range supports standard industrial analog control signals.
- Overload protection ensures reliability under transient load conditions.
Ethernet Communication:
- 10/100 Mbps auto-switching ensures compatibility with modern networks.
- Low-latency communication suitable for distributed control.
- Supports multiple devices via unique CardID mapping.
Software Control:
- Full API access for analog input/output, configuration, and security.
- Functions include initialization, parameter setting, data read/write, and reboot.
- Security features prevent unauthorized configuration changes.
Limitations:
- Sampling rate limited to 10 samples/sec per channel (not suitable for high-speed acquisition).
- Requires external 12–24VDC power supply.
- Operating temperature limited to +70°C.
### 8. Standards & Compliance
Electrical and Environmental Compliance:
- Designed for industrial environments with wide operating temperature and humidity range.
- Over-voltage and overload protection on all analog channels.
- Complies with general industrial EMC and safety standards (manufacturer internal compliance).
Network Standards:
- IEEE 802.3 10/100Base-T Ethernet compatibility.
- TCP/IP protocol support for remote communication.
Software Compatibility:
- Windows DLL-based API compliant with standard Windows programming conventions.
- Supports C/C++, Visual Basic, and Borland development environments.
### 9. Additional Information
Warranty & Support:
- Standard manufacturer warranty (typically 1 year, per JS Automation policy).
- Technical support available via email and website.
- Firmware and software updates downloadable from [automation.com.tw](http://www.automation.com.tw).
Maintenance:
- Periodic inspection of connectors and power supply recommended.
- Calibration via factory trimmers (DA0, DA1) if required.
- Firmware updates can be applied via Ethernet interface.
Software Updates & API:
- Latest DLL version: EMA7308.dll v1.1.
- API functions include initialization, analog read/write, configuration, and security management.
- Error codes provided for diagnostic feedback (e.g., IP errors, timeout, security lock).
Error Handling:
- Comprehensive error code system (0–311) for troubleshooting communication and configuration issues.
- Examples:
- `INITIAL_SOCKET_ERROR` (1): Ethernet initialization failure.
- `IP_ADDRESS_ERROR` (2): Invalid IP configuration.
- `DEVICE_RW_ERROR` (100): Module unreachable.
- `PASSWORD_ERROR` (308): Security mismatch.
Security Features:
- Password-protected configuration and output control.
- Default password: “12345678”.
- Functions for password change, reset, and lock status monitoring.
Software Integration Example:
- Initialization: `EMA7308_Initial()` maps IP and port to CardID.
- Analog Input Read: `EMA7308_AD_read()` retrieves 24-bit input data.
- Analog Output Set: `EMA7308_DA_set()` writes 16-bit output voltage.
- Configuration: `EMA7308_parameters_set()` defines input range and filter.
- Security: `EMA7308_security_unlock()` enables authorized control.
### Summary
The JS Automation EMA7308DA is a robust, high-precision Ethernet analog I/O module engineered for industrial automation, remote monitoring, and control systems. With 8 differential 24-bit bipolar analog inputs and 2 16-bit analog outputs, it provides exceptional accuracy and flexibility for voltage and current signal processing. The module’s Ethernet connectivity, web-based control, and DLL-based API make it ideal for integration into modern distributed control architectures.
Its industrial-grade design, wide input range, and comprehensive software support ensure reliable operation in demanding environments. The EMA7308DA stands out as a versatile solution for engineers requiring precise analog data acquisition and control over Ethernet networks.
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ema7308.pdf
PDF Catalog
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ema7308e.pdf
Manual
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sw7308.pdf
Manual
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