Rugged Serial I/O Modules

Diamond's line of rugged, wide-temperature Communications Modules feature standard and optoisolated RS-232/422/485 serial interfaces, Ethernet, CAN bus, GPS, and digital I/O functions. We have modules available in the following form factors: PC/104, PC/104-Plus, EMX and PCIe MiniCard.

Serial Ports
Misc.
Product
Form Factor
RS-232
RS-422
RS-485
Max
Prot Cfg
Addr Cfg
Digital I/O
XT
EMM-8EL-XT PCI/104-Express 4 or 8 4 or 8 4 or 8 10Mbps Software Software 8 I/O Yes
EMM-4M-XT PC/104 4 4 4 115.2K Jumper Jumper   Yes
EMM-8P-XT PC/104 8 8 8 460.8K Software Software 8 I/O Yes
EMM-OPT4-XT* PC/104 4 4 4 230.4K Jumper Jumper 24 I/O Yes
EMM-8Plus-XT PC/104-Plus 8 8 8 1.832M Jumper Software 8 I/O Yes
EMX-ESG777 EMX 6 4 4 921.6K
Jumper Jumper 14 I/O Yes
EMX-ESG614 EMX 6 4 4 921.6K Jumper Jumper 14 I/O Yes
DS-MPE-SER4M PCIe MiniCard 4 4 4 10Mbps Software or Jumper Software or Jumper   Yes
                   

Headings

Max Max baud rate
Prot Cfg Protocol config
Addr Cfg Address config
XT -40ºC to +85ºC
*EMM-OPTO-XT has 4 individually opto-isolated serial ports

 
PC/104

Emerald-MM-8P 8-Port Serial Module

Emerald-MM-8P offers 8 multi-protocol serial ports on a single PC/104 module with complete software configurability via the operating system. Each port can be individually selected for RS-232, RS-422, or RS-485 under software control. Both local-echo and non-local-echo modes are supported for RS-485. I/O addresses and interrupt levels are also programmable, with interrupt sharing available for any number of ports. Each port may further be enabled or disabled in software. All configuration data is stored in an on-board EEPROM that is loaded automatically on power-up.

For applications where fixed addresses are desired, four groups of preset addresses are available with jumper settings that override the programmed settings. Line termination for RS-422/485 modes is also jumper-selectable.

Emerald-MM-8P offers 8 convenient digital I/O lines. The direction of each line is independently programmable. Diamond’s Universal Driver software provides software support for these digital I/O lines.

Two I/O headers are provided, with four serial ports and four digital I/O lines on each header. The board operates on +5V only, eliminating the need for a +12V supply that is often required for serial port operation.

Emerald-MM-8P is based on the 16C654 quad serial port IC. This device contains 4 identical sets of registers, one for each port, and is compatible with the standard PC serial port. Each port contains 64-byte transmit and receive FIFOs to support the high-speed 460.8kbps data rates. Model EMM-8P-XT is backward compatible with Diamond Systems ’ EMM-8M-XT and EMM-8232-XT boards.

   

Emerald-MM-4M 4-Port Serial Module

Our Emerald-MM PC/104 module gives you 4 serial ports operating at speeds up to 115kbps.

In RS-232 mode, the full complement of standard PC serial port signals (8 signals + ground) are provided for each port and are grouped onto two 20-pin headers (2 ports per header). In RS-422 mode, Signals RX+, RX-, TX+, and TX- are provided, along with ground. In RS-485 mode, signals TX+/RX+ and TX-/RX- are provided, along with ground.

A 16C554 quad serial port IC is used for the serial ports. This chip supports data transfer rates up to 115kbps and contains a 16-byte programmable FIFO buffer for each port to minimize processor overhead.

Flexible Configuration

Emerald-MM offers more interrupt level and I/O address options than other quad serial port modules. Therefore, integrating the board into your computer system is a simpler task. Eight different I/O address combinations and 10 different interrupt levels are available.

Full Interrupt Sharing

Any number of ports can share the same interrupt level. And if you have two boards in one system, both boards can share the same interrupt level as well. An interrupt status register is provided to indicate the status of each serial port's interrupt request signal. This register is especially useful in Windows NT.

Designed for the Embedded World

Another distinguishing feature of Emerald-MM is its low-power +5V only operation. This board needs absolutely no +12V or -12V to operate. Extended temperature operation of -40°C to +85°C is also standard.

   

Emerald-MM-Opto 4-Port Opto Serial Module

Emerald-MM-Opto provides an integrated, rugged, and reliable solution for PC/104-expandable embedded systems requiring serial communications in demanding applications. It offers 2 or 4 optically isolated serial ports with RS-232, RS-422, and RS-485 protocols, as well as 24 digital I/O lines, all on a single board.

Optical isolation of 1000V DC or AC protects your embedded system from ground differentials or noise spikes that would damage non-isolated boards. Each port is isolated from the other ports as well as the system. Extended temperature capability (-40 to +85ºC) enables the board to operate in vehicles such as trains and buses without concern for temperature swings. These features enable Emerald-MM-Opto to provide reliable serial communications in harsh environments such as trains and buses.

In addition to ruggedness, Emerald-MM-Opto offers flexibility and advanced features. Each serial port is independently configurable for protocol and IRQ settings. Eight different I/O address combinations are built in. The 16C2850 UART chips with 128-byte FIFOs support high-speed data rates at up to 460kbps without overloading the system processor. Auto-flow control enables easy RS-485 operation by automatically enabling and disabling the transmitter during data transmission, to prevent bus conflicts or excessive software overhead.

Emerald-MM-Opto also offers multiple termination methods on the serial ports to support varying interface requirements. In RS-422 or RS-485 networks, termination resistors are normally installed at the endpoints of the cables to minimize reflections on the lines. The board provides jumper-selectable termination and pull-up/pull-down resistors for this purpose. The sensible jumper positioning and layout help simplify board configuration and minimize confusion.

The 24 digital I/O lines are based on an 82C55 chip and feature programmable direction in 4- and 8-bit groups. All I/O lines contain user-configurable 10K Ohm pull-up resistors for convenience. This 2-in-1 combination of serial ports and digital I/O can help lower the size and cost of your embedded system by eliminating one additional board from your PC/104 stack.

Diamond Systems offers appropriate mating cables for your convenience. Cable no. C-DB9M-1 provides a DB-9 male connector with standard PC serial port pinout. Each serial port requires one cable. Cable no. C-26-18 is a 26-conductor ribbon cable for the digital I/O lines.

   
PC/104-Plus

Emerald-MM-8PLUS 8-Port Serial Module

Emerald-MM-8Plus is a high performance multi-protocol serial communications board offering eight ports on a single PC/104-Plus module. Supporting baud rates up to 921.6K bps in RS-232 mode or 1.8432Mbps in RS422 or RS485 mode, each port can be individually selected for RS-232, RS-422, RS-485 or TTL level operation. Both local-echo and non-local-echo modes are supported for RS-485. Protocol selection is achieved via a jumper block for each of the eight ports. Line termination for RS-422/485 modes is also jumper-selectable.

Configuration of the Emerald-MM-8Plus is simple, using the built-in plug and play technology. For manual configuration, the base address for the board may be set in software, defining a 4K block of configuration space used to access the on-board registers. A single 32-bit read shows the detailed interrupt status for each of the eight ports. The PCI “slot” is defined through a jumper block. As with all Diamond Systems products, jumpers are paralleled with locations for zero ohm resistors to create a rugged, shock-and- vibration-resistant implementation.

Emerald-MM-8Plus is based on the Exar 17D158 octal UART IC. This device contains 8 4 identical sets of 16C55registers, one for each port, and is compatible with the standard PC serial port. Each port contains 64-byte transmit and receive FIFOs to support the high-speed data rates.

Emerald-MM-8Plus also offers 8 convenient digital I/O lines. The direction of each line is independently programmable. Finally, Emerald-MM-8Plus also offers a 16-bit programmable counter / timer with a configurable clock source.

Two I/O headers are provided, with four serial ports and four digital I/O lines on each header. The board operates on +5V only, eliminating the need for a +12V supply that is often required for serial port operation.

   

Janus-MM-LP Dual or Quad CAN Module

The Janus-MM-4LP-XT family of I/O modules offers two or four opto-isolated CANbus 2.0B ports plus 16 digital I/O lines. Models are available in both the PC/104-Plus and PC/104 form factors. An FGPA core houses the CAN controller logic and digital I/O logic providing data rates up to 1Mbps. Each CAN port supports standard and extended frames as well as expanded TX and RX message queues for enhanced performance. Each port has its own combination isolator and transceiver chip.

Janus-MM-4LP-XT fits a wide variety of rugged and on-vehicle embedded serial I/O application needs. It was designed with harsh applications in mind including latching connectors to further improve reliability. Extended temperature operation of -40°C to +85°C is tested and guaranteed. The module is compatible with MIL-STD-202G shock and vibration specifications.

   

Mercator II LAN & DIO Module

The Mercator II PC/104-Plus module integrates 4 PCI-based 10/100 Ethernet ports with 24 user-configurable digital I/O lines in the compact and rugged PC/104 format. This 2-in-1 combination of Ethernet and digital I/O can help lower the size and cost of your embedded system by eliminating one additional board from your PC/104 stack.

The Ethernet ports are driven by two dual Micrel KSZ8842 Mac + Phy PCI controller chips, two ports per chip, and are NE2000 compatible. Each chip has a unique MAC address; therefore, only two Ethernet ports are visible to the end user for active communication. The other two ports work in switch fashion to enable daisy chaining of networks with one port on the chip as an uplink to a network while the other port provides active communication on the network.

The 24 digital I/O lines are based on an 82C55 chip and feature programmable direction in 4- and 8-bit groups. All I/O lines contain user-configurable 10K ohm pull-up resistors for convenience.

Extended temperature capability (-40ºC to +85ºC) enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations. In addition, the board may be custom-configured with 0-ohm resistors in place of jumper blocks for increased ruggedness in high-vibration environments.

Diamond Systems offers appropriate mating cables for your convenience. Cable number C-PRZ-02 provides a panel-mountable RJ-45 connector for the Ethernet, and cable number C-26-18 is a 26-conductor ribbon cable for the digital I/O.

   
PC/104-Express

Emerald-MM-8EL 4 or 8-Port Serial Module

The Emerald-MM-8EL-XT is a family of high performance PCIe/104 "OneBank" serial I/O modules offering 4 or 8 multiprotocol serial ports with software-controlled configuration and optional opto-isolation.

Available Models

EMM-8EL-XT 8-Port serial module with opto-isolation
EMM-4EL-XT 4-Port serial module with opto-isolation
EMM-8E-XT 8-Port serial module without opto-isolation
EMM-4E-XT 4-Port serial module without opto-isolation

The serial ports are based on a high speed PCIe octal UART with 256-byte TX/RX FIFOs and auto RS-485 transmit control. Each serial port can be independently configured for RS-232, RS-422, or RS-485 protocols, along with programmable 120-ohm line termination. Each port is independently isolated with an isolated power + signal chip, plus additional isolators for control signals. The board features intelligent power management that limits inrush current on power-up and also enables power-down of unused serial ports for power savings.

Opto-isolated models feature independent 2500VRMS isolation circuits for enhanced reliability in vehicle or long cable applications. All ports also feature +/-15KV ESD protection. Each serial port is available on an independent latching connector for increased isolation and ruggedness. With its wide operating temperature range and high resistance to shock and vibration, the EMM-8EL-XT fits a wide variety of rugged and on-vehicle embedded serial I/O application needs.

EMM-8EL-XT also offers 8 digital/analog I/O lines which are programmable from the on-board microcontroller. Each I/O line can be configured for digital input or output. Seven of the I/O lines can be configured for 12-bit A/D input with selectable 0-2.048V or 0-3.3V input ranges.

EMM-8EL-XT contains no configuration jumpers; all configuration and control is done with an onboard microcontroller. All configuration settings are stored in the microcontroller's flash memory and are automatically loaded on power-up.

Software Support

The EMM-8EL-XT family is compatible with Windows 7/Vista/2000/XP and Linux 2.6. All drivers are shipped with the product.

The on-board microcontroller is managed with a comprehensive software suite that makes configuring the EMM-8EL-XT fast and simple. A graphical control panel, a console application, and drivers for Windows and Linux are provided to enable convenient configuration of the board and control of the I/O features in a laboratory or system assembly environment, or embedded in the customer's application software.

   
PCIe MiniCard

DS-MPE-SER4M Serial Module

The DS-MPE-SER4M is a rugged, low cost 4-port high speed PCIe MiniCard module that is ideal for serial I/O expansion in embedded and OEM applications.

It offers four RS-232/422/485 serial ports in the PCIe MiniCard full size form factor with an extended operating temperature of -40°C to +85°C. Data rates on every port are up to 1Mbps in RS-232 mode, and 10Mbps in RS-422 and RS-485 modes. The board's protocols can be set by jumpers or programmatically selected with GPIO lines built into the UART and controlled via software. The serial I/O signals are provided on two miniature connectors with two ports per connector.

Extended temperature capability (-40°C to +85°C) enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations. In addition, the board may be custom-configured with 0-ohm resistors in place of jumper blocks for increased ruggedness in high-vibration environments.

The DS-MPE-SER4M product comes with the PCIe MiniCard hardware assembly, a cable kit with two dual serial cables, and a hardware kit containing jumpers and mounting screws.

   

DS-MPE-SER4OPT Opto Serial Module

The DS-MPE-SER4OPT is a rugged, low cost 4-port opto-isolated PCIe MiniCard serial module that is ideal for serial I/O expansion in embedded and OEM applications.

The DS-MPE-SER4OPT offers 4 RS-232/RS-485 opto-isolated serial ports in a PCIe MiniCard form factor. Each port offers 16C550 compatibility and ultra-deep 256-byte TX/RX FIFOs. Maximum data rates are 1Mbps in RS-232 mode and 10Mbps in RS-485 mode. The board is available preconfigured for 4 RS-232 ports, 4 RS-485 ports, or a combination of 2 RS-232 and 2 RS-485 ports. I/O signals are provided on two miniature latching connectors, with 2 ports per connector.

Each pair of serial ports on the DS-MPE-SER4OPT offers up to 500V isolation from the system ground. Optoisolation increases reliability in applications with long cable runs, where a difference in ground potential can cause significant ground loop currents, damaging non-isolated boards and equipment. Isolation on this miniature board is achieved through a combination of highly integrated isolated power + data components, careful component placement and layout, and a safety-enhancing insulation film on the bottom side, which prevents accidental contact with components on the carrier board.

Extended temperature capability (-40°C to +85°C) enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations. In addition, the board may be custom-configured with 0-ohm resistors in place of jumper blocks for increased ruggedness in high-vibration environments.

The DS-MPE-SER4OPT product comes with the 4-port PCIe MiniCard opto-isolated serial module, the CK-SER4M cable kit, and a hardware kit with jumpers and screws.

   

DS-MPE-GE210 Gigabit Ethernet Module

The DS-MPE-GE210 is a rugged, low cost Gigabit Ethernet PCIe MiniCard module that is ideal for adding an extra Ethernet port to any system in embedded and OEM applications.

It provides a convenient, compact, cost-effective means to add an extra gigabit Ethernet port to your embedded system. The Intel 210IT Ethernet controller provides 10/100/1000Mbps operating speed with industrial temperature range capability. The module includes link and speed LEDs as well as latching connectors for enhanced ruggedness. Wake-on-LAN functionality is supported.

Extended temperature capability (-40°C to +85°C) enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations.

The DS-MPE-GE210 product comes with the PCIe MiniCard hardware assembly, one gigabit Ethernet cable, and a hardware kit containing mounting screws.

   

DS-MPE-CAN2L CANbus Module

The DS-MPE-CAN2L is a rugged, low cost dual port CAN 2.0 PCIe MiniCard module that is ideal for CAN expansion in embedded and OEM applications.

The module implements a CAN protocol bus controller that performs serial communications according to the CAN 2.0A and CAN 2.0B specifications. The protocol uses a multi-master bus configuration for the transfer of frames between nodes of the network and manages error handling with no burden on the host processor. Error analysis features enabling diagnostics, system maintenance, and system optimization. A listen-only mode enables CAN bus traffic analysis and automatic bit-rate detection.

Extended temperature capability (-40°C to +85°C) enables the board to operate in environments with extreme temperature swings, such as vehicles or outdoor installations. In addition, the board may be custom-configured with 0-ohm resistors in place of jumper blocks for increased ruggedness in high-vibration environments.

The DS-MPE-CAN2L product comes with the PCIe MiniCard hardware assembly, a cable kit with two CAN cables, and a hardware kit containing jumpers and mounting screws.

   
EMX

EMX-ESG777 Ethernet, Serial, GPIO, GPS Module

EMX-ESG777 combines all the functionality of our EMX-ESG200 and EMX-ESG614 I/O modules into one compact board packed with I/O features. This high level of functionality offers the greatest efficiency in both size and cost for small form factor embedded systems requiring extra I/O features.

EMX-ESG777 provides 2 PCI Express gigabit Ethernet ports based on the Intel 82574IT industrial temperature gigabit Ethernet controller in the efficient EMX I/O form factor. The board utilizes two PCIe lanes on the EMX I/O connector, one for each controller, offering higher throughput compared to designs using a PCIe switch that shares one lane for both ports. Status LEDs are provided on board for both ports, and a utility connector provides access to the LED signals for use on a panel display.

The EMX-ESG777 also provides 6 RS-232/422/485 ports based on the SMSC SCH3116 industrial temperature UART in the efficient EMX I/O form factor. Ports 1 - 4 support RS-232, RS-422, and RS-485 protocols, while ports 5 and 6 support RS-232 or TTL mode. In RS-232 mode, ports 1-4 offer TX, RX, RTS, and CTS signals, while ports 5 and 6 offer TX and RX only. All ports feature programmable bad rates up to 921,600 in all protocols.

EMX-ESG777 includes 14 digital I/O lines for general purpose application. Each line has individually programmable direction, and all lines offer ESD protection for increased reliability.

For applications requiring GPS functionality, EMX-ESG777 can be fitted with the Trimble Condor C2626 GPS receiver offering up to 5Hz update rate, NMEA communications protocol, and PPS timing output. An on-board backup battery maintains the GPS almanac for faster acquisition after power-up.

Wide range -40ºC to 85ºC operating temperature and fully latching I/O connectors provide appropriate ruggedness for vehicle and harsh environment applications. Ethernet drivers are included for Windows Embedded Standard 7, Windows CE 6, and Linux 2.6.

   

EMX-ESG614 Serial, GPIO, GPS Module

The EMX-ESG614 provides 6 RS-232/422/485 ports based on the SMSC SCH3116 industrial temperature UART in the efficient EMX I/O form factor. Ports 1 - 4 support RS-232, RS-422, and RS-485 protocols, while ports 5 and 6 support RS-232 or TTL mode. In RS-232 mode, ports 1-4 offer TX, RX, RTS, and CTS signals, while ports 5 and 6 offer TX and RX only. All ports feature programmable bad rates up to 921,600 in all protocols.

EMX-ESG614 also provides 14 digital I/O lines for general purpose application. Each line has individually programmable direction, and all lines offer ESD protection for increased reliability.

For applications requiring GPS functionality, EMX-ESG614 can be fitted with the Trimble Condor C2626 GPS receiver offering up to 5Hz update rate, NMEA communications protocol, and PPS timing output. An on-board backup battery maintains the GPS almanac for faster acquisition after power-up.

Wide range -40ºC to 85ºC operating temperature and fully latching I/O connectors provide appropriate ruggedness for vehicle and harsh environment applications.

   

EMX-ESG200 Dual Ethernet Module

The EMX-ESG200 provides 2 PCI Express gigabit Ethernet ports based on the Intel 82574IT industrial temperature gigabit Ethernet controller in the efficient EMX I/O form factor. The board utilizes two PCIe lanes on the EMX I/O connector, one for each controller, offering higher throughput compared to designs using a PCIe switch that shares one lane for both ports.

Status LEDs are provided on board for both ports, and a utility connector provides access to the LED signals for use on a panel display. Wide range -40ºC to 85ºC operating temperature and fully latching I/O connectors provide appropriate ruggedness for vehicle and harsh environment applications. Drivers are included for Windows Embedded Standard 7, Windows CE 6, and Linux 2.6.

   
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