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- Triple Interface Support: Each of the four ports can be individually configured as RS-232, RS-422, or RS-485, allowing mixed-mode operation on a single board.
- High-Speed Communication: Supports data rates from 50 bps up to 921.6 Kbps, with selectable normal and high-speed spectra (up to 8× standard baud rates).
- Advanced UART Architecture: Equipped with four 16C550C-compatible UARTs featuring 16-byte FIFO buffers for reliable high-speed asynchronous communication.
- Independent Configuration: Each port supports independent I/O address and IRQ settings, ensuring compatibility with diverse system configurations.
- Isolation Protection: Provides up to 2000 V isolation for RS-422/RS-485 interfaces, protecting against electrical surges and ground loops.
- Auto Data Direction Control: RS-485 ports support automatic data direction switching, simplifying half-duplex communication.
- Flexible Bus Interface: 16-bit ISA (EISA compatible) bus interface for legacy and industrial PC systems.
- Software Configurable: On-board EEPROM stores configuration parameters accessible via Configuration Access Port (CAP).
- Comprehensive OS Support: Compatible with Windows NT/95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX, OS/2, QNX, FreeBSD, and other multiuser operating systems.
- Diagnostic and Development Tools: Bundled with Moxa’s PComm library and utilities for diagnostics, monitoring, and application development.
- Industrial Reliability: Designed for continuous operation in industrial environments with robust electrical and mechanical design.
- High-Speed Communication: Supports data rates from 50 bps up to 921.6 Kbps, with selectable normal and high-speed spectra (up to 8× standard baud rates).
- Advanced UART Architecture: Equipped with four 16C550C-compatible UARTs featuring 16-byte FIFO buffers for reliable high-speed asynchronous communication.
- Independent Configuration: Each port supports independent I/O address and IRQ settings, ensuring compatibility with diverse system configurations.
- Isolation Protection: Provides up to 2000 V isolation for RS-422/RS-485 interfaces, protecting against electrical surges and ground loops.
- Auto Data Direction Control: RS-485 ports support automatic data direction switching, simplifying half-duplex communication.
- Flexible Bus Interface: 16-bit ISA (EISA compatible) bus interface for legacy and industrial PC systems.
- Software Configurable: On-board EEPROM stores configuration parameters accessible via Configuration Access Port (CAP).
- Comprehensive OS Support: Compatible with Windows NT/95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX, OS/2, QNX, FreeBSD, and other multiuser operating systems.
- Diagnostic and Development Tools: Bundled with Moxa’s PComm library and utilities for diagnostics, monitoring, and application development.
- Industrial Reliability: Designed for continuous operation in industrial environments with robust electrical and mechanical design.
Comprehensive Product Summary – Moxa Industio C114HI / C114P 4-Port RS-232/422/485 AT Serial Card
### 1. Product Overview
Product Name: Industio C114HI (also referenced as C114P)
Article Number: C114P
Series: Industio C100 Series
Manufacturer: Moxa Technologies Co., Ltd.
Product Type: 4-Port Independent RS-232/RS-422/RS-485 AT (ISA) Serial Communication Board
Manufacturer Contact:
- Tel: +886-2-8665-6373
- Fax: +886-2-8665-6372
- Website: [www.moxa.com](http://www.moxa.com)
- Email: support@moxa.com.tw
The Moxa Industio C114HI is a high-performance, industrial-grade multiport serial communication interface card designed for PC-based systems requiring multiple asynchronous serial connections. Each of its four ports can be independently configured for RS-232, RS-422, or RS-485 operation, providing exceptional flexibility for industrial automation, data acquisition, and communication applications.
### 2. Key Features
- Triple Interface Support: Each of the four ports can be individually configured as RS-232, RS-422, or RS-485, allowing mixed-mode operation on a single board.
- High-Speed Communication: Supports data rates from 50 bps up to 921.6 Kbps, with selectable normal and high-speed spectra (up to 8× standard baud rates).
- Advanced UART Architecture: Equipped with four 16C550C-compatible UARTs featuring 16-byte FIFO buffers for reliable high-speed asynchronous communication.
- Independent Configuration: Each port supports independent I/O address and IRQ settings, ensuring compatibility with diverse system configurations.
- Isolation Protection: Provides up to 2000 V isolation for RS-422/RS-485 interfaces, protecting against electrical surges and ground loops.
- Auto Data Direction Control: RS-485 ports support automatic data direction switching, simplifying half-duplex communication.
- Flexible Bus Interface: 16-bit ISA (EISA compatible) bus interface for legacy and industrial PC systems.
- Software Configurable: On-board EEPROM stores configuration parameters accessible via Configuration Access Port (CAP).
- Comprehensive OS Support: Compatible with Windows NT/95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX, OS/2, QNX, FreeBSD, and other multiuser operating systems.
- Diagnostic and Development Tools: Bundled with Moxa’s PComm library and utilities for diagnostics, monitoring, and application development.
- Industrial Reliability: Designed for continuous operation in industrial environments with robust electrical and mechanical design.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | 16-bit ISA (EISA compatible) |
| Number of Ports | 4 independent serial ports |
| Interface Types | RS-232, RS-422, RS-485 (individually selectable) |
| UART Type | 4 × 16C550C or compatible |
| Baud Rate Range | 50 bps to 921.6 Kbps |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity | None, Even, Odd, Space, Mark |
| I/O Address Range | 0x0000 – 0xFFFF (DIP switch selectable) |
| IRQ Options | 2, 3, 4, 5, 7, 10, 11, 12, 15 |
| Isolation Protection | Up to 2000 V (RS-422/RS-485) |
| Operating Temperature | 0°C to 55°C |
| Dimensions | 22 cm × 11.5 cm |
| Power Consumption | +5V @ 800 mA max; ±12V @ 60 mA |
| Connectors | DB-37 female on board; breakout cable to 4 × DB-9 male (DTE) |
| Cable Length | 0.3 m (DB-37 to 4 × DB-9 male) |
| Signal Lines (RS-232) | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| Signal Lines (RS-422) | TxD±, RxD±, RTS±, CTS±, DCD, GND |
| Signal Lines (RS-485) | TxD±, RxD±, GND |
| Isolation Type | Optical isolation for RS-422/485 |
| Compliance | EIA RS-232C, RS-422A, RS-485 standards |
### 4. Functionality
The C114HI operates as a multiport asynchronous serial communication controller, enabling PCs to interface with multiple serial devices such as modems, terminals, PLCs, barcode scanners, and industrial sensors. Each port can be configured for different electrical standards, allowing simultaneous RS-232, RS-422, and RS-485 operation.
Use Cases:
- Industrial automation and control systems
- Data acquisition and SCADA networks
- Multi-terminal communication servers
- Modem banks and remote monitoring systems
- Laboratory instrumentation and test equipment
Compatibility:
- Fully compatible with standard PC COM ports (COM1–COM4).
- Supports both 2-wire and 4-wire RS-485 modes.
- Works with most operating systems and supports Moxa’s proprietary drivers for enhanced performance.
Operation Modes:
- RS-232: Point-to-point communication with full modem control.
- RS-422: Differential signaling for long-distance, high-speed communication.
- RS-485: Multi-drop communication supporting up to 32 nodes per bus.
### 5. Components & Accessories
Included in Package:
1. C114HI 4-port serial board
2. User’s Manual (printed and digital)
3. Driver diskettes:
- Windows NT/95/98 driver
- DOS/Windows 3.x driver
- PComm utility diskette
4. 30 cm DB-37 to 4 × DB-9 male cable
Optional Accessories:
- Extended DB-37 to DB-9 breakout cables
- Shielded cables for industrial environments
- Termination resistors (RT1–RT8) for impedance matching in RS-422/485 networks
Connectors:
- On-board DB-37 female connector
- Breakout cable provides four DB-9 male DTE connectors
### 6. Installation & Setup
Hardware Installation Steps:
1. Power off the PC and open the chassis.
2. Configure each port’s interface type (RS-232/422/485) using jumpers JP2–JP13.
3. Insert the C114HI into a 16-bit ISA slot.
4. Set I/O addresses and IRQs using the IO-IRQ.EXE configuration utility.
5. Save configuration to on-board EEPROM.
6. Connect the DB-37 to DB-9 cable to external devices.
7. Power on the PC and install the appropriate software driver.
Default Factory Settings:
- I/O Addresses: 0x180, 0x188, 0x190, 0x198
- IRQ: 10 (shared by all ports)
- Interrupt Vector: 0x1C0
- CAP Address: 0x180
Software Installation:
- Windows NT/95/98: Use Setup95.exe or Add Adapter wizard.
- DOS/Windows 3.x: Run DOSINST.EXE or WININST.EXE.
- UNIX/XENIX: Use built-in 4-port driver (Arnet compatible).
- OS/2: Configure via COM.SYS driver with custom I/O and IRQ parameters.
Configuration Utility (IO-IRQ.EXE):
- Used to assign I/O addresses, IRQs, and interrupt vectors.
- Supports OS compatibility presets for Windows, SCO UNIX, and others.
- Stores configuration in EEPROM for persistent settings.
### 7. Performance & Capabilities
- Maximum Baud Rate: 921.6 Kbps (High-Speed Spectrum)
- Normal Spectrum: 50–115.2 Kbps
- High-Speed Spectrum: 400–921.6 Kbps (8× multiplier)
- FIFO Buffers: 16-byte transmit and receive per port
- Throughput: Optimized for high-speed, low-latency data transfer
- RS-485 Auto Mode: Automatic transmitter enable/disable for half-duplex operation
- Isolation: 2000 V protection for RS-422/485 lines
- Distance:
- RS-232: up to 15 m
- RS-422/485: up to 1200 m (4000 ft)
- Node Capacity (RS-485): Up to 32 transmitters and 32 receivers per bus
Limitations:
- Requires ISA slot (not suitable for PCI-only systems).
- Shared IRQs must be configured carefully to avoid conflicts.
- Termination resistors not pre-installed; must be added for long-distance RS-422/485 networks.
### 8. Standards & Compliance
- Electrical Standards: EIA RS-232C, RS-422A, RS-485
- Bus Compatibility: ISA/EISA
- Isolation: 2 kV RMS for 1 minute (RS-422/485)
- Operating Systems Supported:
- Windows NT 3.51/4.0
- Windows 95/98
- Windows 3.x
- DOS
- Linux
- SCO UNIX/XENIX/OpenServer
- OS/2
- QNX, FreeBSD, PICK OS, MUMPS, Multiuser DOS
- Driver Availability:
- Moxa-supplied drivers for Windows and DOS
- OS-native drivers for UNIX and OS/2
- Regulatory Compliance: Designed to meet industrial EMC and safety standards applicable to ISA-based communication boards.
### 9. Additional Information
Warranty & Support:
- Standard Moxa limited warranty (typically 3 years).
- Technical support available via email, FTP, and web portal.
- FTP site for driver and firmware updates: ftp.moxa.com / ftp.moxa.com.tw
- Online documentation and driver downloads at [www.moxa.com](http://www.moxa.com).
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Ensure proper grounding and shielding in industrial environments.
- Replace termination resistors as needed for impedance matching.
Software Tools:
- PComm: Windows-based serial communication library and utilities for diagnostics, monitoring, and programming.
- API-232: DOS-based programming library supporting C, Pascal, BASIC, Assembly, and Clipper.
- Data Scope Utility: For DOS-based diagnostics, terminal emulation, and data monitoring.
Programming Support:
- Supports Microsoft C, Turbo C, Visual Basic, Delphi, and other languages.
- Provides APIs for serial control, modem management, and file transfer (ASCII, XMODEM, YMODEM, ZMODEM, KERMIT).
Troubleshooting Highlights:
- “Board not found” errors typically indicate I/O or IRQ conflicts.
- CAP address conflicts can be resolved by setting JP1 to force CAP = 0xA700.
- Verify jumper settings for correct interface mode (RS-232/422/485).
Return & Service Procedure:
- Obtain Product Return Agreement (PRA) from Moxa or authorized dealer.
- Complete Problem Report Form with detailed configuration and error description.
- Ship product in anti-static packaging with PRA number clearly marked.
### Summary
The Moxa Industio C114HI (C114P) is a robust, industrial-grade 4-port serial communication board designed for maximum flexibility and reliability in multi-protocol environments. Its ability to independently configure each port for RS-232, RS-422, or RS-485 operation, combined with high-speed performance up to 921.6 Kbps and 2000 V isolation, makes it ideal for demanding industrial and automation applications. With comprehensive driver support across multiple operating systems and powerful diagnostic and programming tools, the C114HI provides a complete, cost-effective solution for expanding serial connectivity in PC-based control systems.
### 1. Product Overview
Product Name: Industio C114HI (also referenced as C114P)
Article Number: C114P
Series: Industio C100 Series
Manufacturer: Moxa Technologies Co., Ltd.
Product Type: 4-Port Independent RS-232/RS-422/RS-485 AT (ISA) Serial Communication Board
Manufacturer Contact:
- Tel: +886-2-8665-6373
- Fax: +886-2-8665-6372
- Website: [www.moxa.com](http://www.moxa.com)
- Email: support@moxa.com.tw
The Moxa Industio C114HI is a high-performance, industrial-grade multiport serial communication interface card designed for PC-based systems requiring multiple asynchronous serial connections. Each of its four ports can be independently configured for RS-232, RS-422, or RS-485 operation, providing exceptional flexibility for industrial automation, data acquisition, and communication applications.
### 2. Key Features
- Triple Interface Support: Each of the four ports can be individually configured as RS-232, RS-422, or RS-485, allowing mixed-mode operation on a single board.
- High-Speed Communication: Supports data rates from 50 bps up to 921.6 Kbps, with selectable normal and high-speed spectra (up to 8× standard baud rates).
- Advanced UART Architecture: Equipped with four 16C550C-compatible UARTs featuring 16-byte FIFO buffers for reliable high-speed asynchronous communication.
- Independent Configuration: Each port supports independent I/O address and IRQ settings, ensuring compatibility with diverse system configurations.
- Isolation Protection: Provides up to 2000 V isolation for RS-422/RS-485 interfaces, protecting against electrical surges and ground loops.
- Auto Data Direction Control: RS-485 ports support automatic data direction switching, simplifying half-duplex communication.
- Flexible Bus Interface: 16-bit ISA (EISA compatible) bus interface for legacy and industrial PC systems.
- Software Configurable: On-board EEPROM stores configuration parameters accessible via Configuration Access Port (CAP).
- Comprehensive OS Support: Compatible with Windows NT/95/98, DOS, Windows 3.x, Linux, SCO UNIX/XENIX, OS/2, QNX, FreeBSD, and other multiuser operating systems.
- Diagnostic and Development Tools: Bundled with Moxa’s PComm library and utilities for diagnostics, monitoring, and application development.
- Industrial Reliability: Designed for continuous operation in industrial environments with robust electrical and mechanical design.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | 16-bit ISA (EISA compatible) |
| Number of Ports | 4 independent serial ports |
| Interface Types | RS-232, RS-422, RS-485 (individually selectable) |
| UART Type | 4 × 16C550C or compatible |
| Baud Rate Range | 50 bps to 921.6 Kbps |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity | None, Even, Odd, Space, Mark |
| I/O Address Range | 0x0000 – 0xFFFF (DIP switch selectable) |
| IRQ Options | 2, 3, 4, 5, 7, 10, 11, 12, 15 |
| Isolation Protection | Up to 2000 V (RS-422/RS-485) |
| Operating Temperature | 0°C to 55°C |
| Dimensions | 22 cm × 11.5 cm |
| Power Consumption | +5V @ 800 mA max; ±12V @ 60 mA |
| Connectors | DB-37 female on board; breakout cable to 4 × DB-9 male (DTE) |
| Cable Length | 0.3 m (DB-37 to 4 × DB-9 male) |
| Signal Lines (RS-232) | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| Signal Lines (RS-422) | TxD±, RxD±, RTS±, CTS±, DCD, GND |
| Signal Lines (RS-485) | TxD±, RxD±, GND |
| Isolation Type | Optical isolation for RS-422/485 |
| Compliance | EIA RS-232C, RS-422A, RS-485 standards |
### 4. Functionality
The C114HI operates as a multiport asynchronous serial communication controller, enabling PCs to interface with multiple serial devices such as modems, terminals, PLCs, barcode scanners, and industrial sensors. Each port can be configured for different electrical standards, allowing simultaneous RS-232, RS-422, and RS-485 operation.
Use Cases:
- Industrial automation and control systems
- Data acquisition and SCADA networks
- Multi-terminal communication servers
- Modem banks and remote monitoring systems
- Laboratory instrumentation and test equipment
Compatibility:
- Fully compatible with standard PC COM ports (COM1–COM4).
- Supports both 2-wire and 4-wire RS-485 modes.
- Works with most operating systems and supports Moxa’s proprietary drivers for enhanced performance.
Operation Modes:
- RS-232: Point-to-point communication with full modem control.
- RS-422: Differential signaling for long-distance, high-speed communication.
- RS-485: Multi-drop communication supporting up to 32 nodes per bus.
### 5. Components & Accessories
Included in Package:
1. C114HI 4-port serial board
2. User’s Manual (printed and digital)
3. Driver diskettes:
- Windows NT/95/98 driver
- DOS/Windows 3.x driver
- PComm utility diskette
4. 30 cm DB-37 to 4 × DB-9 male cable
Optional Accessories:
- Extended DB-37 to DB-9 breakout cables
- Shielded cables for industrial environments
- Termination resistors (RT1–RT8) for impedance matching in RS-422/485 networks
Connectors:
- On-board DB-37 female connector
- Breakout cable provides four DB-9 male DTE connectors
### 6. Installation & Setup
Hardware Installation Steps:
1. Power off the PC and open the chassis.
2. Configure each port’s interface type (RS-232/422/485) using jumpers JP2–JP13.
3. Insert the C114HI into a 16-bit ISA slot.
4. Set I/O addresses and IRQs using the IO-IRQ.EXE configuration utility.
5. Save configuration to on-board EEPROM.
6. Connect the DB-37 to DB-9 cable to external devices.
7. Power on the PC and install the appropriate software driver.
Default Factory Settings:
- I/O Addresses: 0x180, 0x188, 0x190, 0x198
- IRQ: 10 (shared by all ports)
- Interrupt Vector: 0x1C0
- CAP Address: 0x180
Software Installation:
- Windows NT/95/98: Use Setup95.exe or Add Adapter wizard.
- DOS/Windows 3.x: Run DOSINST.EXE or WININST.EXE.
- UNIX/XENIX: Use built-in 4-port driver (Arnet compatible).
- OS/2: Configure via COM.SYS driver with custom I/O and IRQ parameters.
Configuration Utility (IO-IRQ.EXE):
- Used to assign I/O addresses, IRQs, and interrupt vectors.
- Supports OS compatibility presets for Windows, SCO UNIX, and others.
- Stores configuration in EEPROM for persistent settings.
### 7. Performance & Capabilities
- Maximum Baud Rate: 921.6 Kbps (High-Speed Spectrum)
- Normal Spectrum: 50–115.2 Kbps
- High-Speed Spectrum: 400–921.6 Kbps (8× multiplier)
- FIFO Buffers: 16-byte transmit and receive per port
- Throughput: Optimized for high-speed, low-latency data transfer
- RS-485 Auto Mode: Automatic transmitter enable/disable for half-duplex operation
- Isolation: 2000 V protection for RS-422/485 lines
- Distance:
- RS-232: up to 15 m
- RS-422/485: up to 1200 m (4000 ft)
- Node Capacity (RS-485): Up to 32 transmitters and 32 receivers per bus
Limitations:
- Requires ISA slot (not suitable for PCI-only systems).
- Shared IRQs must be configured carefully to avoid conflicts.
- Termination resistors not pre-installed; must be added for long-distance RS-422/485 networks.
### 8. Standards & Compliance
- Electrical Standards: EIA RS-232C, RS-422A, RS-485
- Bus Compatibility: ISA/EISA
- Isolation: 2 kV RMS for 1 minute (RS-422/485)
- Operating Systems Supported:
- Windows NT 3.51/4.0
- Windows 95/98
- Windows 3.x
- DOS
- Linux
- SCO UNIX/XENIX/OpenServer
- OS/2
- QNX, FreeBSD, PICK OS, MUMPS, Multiuser DOS
- Driver Availability:
- Moxa-supplied drivers for Windows and DOS
- OS-native drivers for UNIX and OS/2
- Regulatory Compliance: Designed to meet industrial EMC and safety standards applicable to ISA-based communication boards.
### 9. Additional Information
Warranty & Support:
- Standard Moxa limited warranty (typically 3 years).
- Technical support available via email, FTP, and web portal.
- FTP site for driver and firmware updates: ftp.moxa.com / ftp.moxa.com.tw
- Online documentation and driver downloads at [www.moxa.com](http://www.moxa.com).
Maintenance:
- Periodic inspection of connectors and cables recommended.
- Ensure proper grounding and shielding in industrial environments.
- Replace termination resistors as needed for impedance matching.
Software Tools:
- PComm: Windows-based serial communication library and utilities for diagnostics, monitoring, and programming.
- API-232: DOS-based programming library supporting C, Pascal, BASIC, Assembly, and Clipper.
- Data Scope Utility: For DOS-based diagnostics, terminal emulation, and data monitoring.
Programming Support:
- Supports Microsoft C, Turbo C, Visual Basic, Delphi, and other languages.
- Provides APIs for serial control, modem management, and file transfer (ASCII, XMODEM, YMODEM, ZMODEM, KERMIT).
Troubleshooting Highlights:
- “Board not found” errors typically indicate I/O or IRQ conflicts.
- CAP address conflicts can be resolved by setting JP1 to force CAP = 0xA700.
- Verify jumper settings for correct interface mode (RS-232/422/485).
Return & Service Procedure:
- Obtain Product Return Agreement (PRA) from Moxa or authorized dealer.
- Complete Problem Report Form with detailed configuration and error description.
- Ship product in anti-static packaging with PRA number clearly marked.
### Summary
The Moxa Industio C114HI (C114P) is a robust, industrial-grade 4-port serial communication board designed for maximum flexibility and reliability in multi-protocol environments. Its ability to independently configure each port for RS-232, RS-422, or RS-485 operation, combined with high-speed performance up to 921.6 Kbps and 2000 V isolation, makes it ideal for demanding industrial and automation applications. With comprehensive driver support across multiple operating systems and powerful diagnostic and programming tools, the C114HI provides a complete, cost-effective solution for expanding serial connectivity in PC-based control systems.
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C114HI.pdf
Manual
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