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USER MANUAL COM-1274 PC/104 module with 8 RS232/422/485 serial ports and up to 2 TTL CAN ports Rev 2.0 – March 2011 – COM-1274_UserMan_En_2.0 www.eurotech.com...
J7 to J14: Serial Ports ..........................15 J15 CAN Interfaces ............................17 Installing the COM-1274 ..........................18 Stacking the COM-1274 with other PC/104 devices..................18 Configure the COM-1274: the Setup Utility ....................19 Serial & CAN ..............................21 Quit: ................................22 Physical characteristics ..........................
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Eurotech assumes no liability resulting from any error/omission in this document, or from the use of the information contained herein. Eurotech reserves the right to revise this document or to make changes to its content at any time without any obligation to notify any person of such revision or changes.
Eurotech assumes no liability for the customer’s failure to comply with these requirements. The safety precautions listed below represent warnings of certain dangers of which Eurotech is aware. You, as the user of the device, should follow these warnings and all other safety precautions necessary for the safe operation of the device in your operating environment.
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If the device does not function correctly and you are unable to find a solution, feel free to contact the Eurotech Technical Support Team. If the equipment does not work properly, especially if smells unusual, unplug it immediately and contact Technical Support Eurotech (see third and fourth cover of this manual for details). Cleaning WARNING! When cleaning the device, remember to: •...
COM-1274 User Manual Life support policy WARNING! Do not use Eurotech products as critical components of life support devices or systems without the express written approval of Eurotech Spa. Warranty Please contact your local Eurotech Sales Office for detailed warranty terms and conditions.
For any technical questions, or if you cannot isolate a problem with your device, or for any enquiry about repair and returns policies, feel free to contact your local Eurotech Technical Support Team. See the back cover for full contact details.
COM-1274 User Manual Product overview The Eurotech COM-1274 is a fully RoHS compliant PC/104 module and features 8 independent asynchronous multimode serial channels and up to 2 Control Area Network (CAN) ports. Product definition FEATURE DESCRIPTION Interfaces Serial: • 8 asynchronous software-configurable RS232, RS422 or RS485 serial ports •...
1E0H WARNING! Some Eurotech CPU modules (CPU-1421, CPU-1433, CPU-1233…) use address 110h, for this reason, when you are using the COM-1274 with these modules ensure to select another free I/O address. Otherwise your COM-1274 module will not work. JP3: Reserved...
Memory at 0D0000 .. 0D7FFF : ISA Bus (for the CAN interface, if required) NOTE: The “I/O space 1” above is only required to access the COM-1274 configuration software, and can therefore be removed in a final system if access is not required The D1 LED indicator A green LED indicator is located near the ISA bus.
Connectors layout and configuration Connectors layout and configuration This chapter provides a brief description of the connectors, with their position and function. CONN # USAGE TYPE PINS FORMAT PITCH MANUFACTURER PART NUMBER ISA Bus Strip 32x2 2.54 962-61323-12 ISA Bus Strip 20x2 2.54...
COM-1274 User Manual J1 and J2: ISA Bus for PC/104 connectivity The ISA Bus, J1 and J2 connectors are designed to allow the connection of the COM-1274 according to the PC/104 specifications. J1 and J2 include KEY pins; these are filled holes in the upper side and missing pins in the lower side of the bus.
Connectors layout and configuration J7 to J14: Serial Ports Eight software selectable RS232/RS422/RS485 serial ports are available on the COM-1274. Run the Setup Utility (see Configure the COM-1274: the Setup Utility on page 19) to configure them. CONNECTOR # FUNCTION...
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The Eurotech ACS-3904-00 Cable kit Optionally the Eurotech ACS-3904-00 Cable kit is available to simplify the connection of serial ports. For further information about the ACS-3904-00 Cable kit please refer to the Technical Datasheet Td0035 (http://www.eurotech.com/DLA/AN/Td0035.pdf).
• For correct operation it is recommended to use the Eurotech CAN adapter The Eurotech ACS-9094-00 CAN adaptor Optionally the Eurotech ACS-9094-00 CAN adaptor is available to simplify the connection of CAN peripherals. For further information about the Eurotech ACS-9094-00 CAN adaptor please refer to the Technical...
COM-1274 User Manual Installing the COM-1274 Stacking the COM-1274 with other PC/104 devices. The ISA bus connectors on the module are designed to allow the module to be connected with other PC/104 and/or PC/104Plus devices. We recommend following the procedure below to ensure that stacking of the modules does not damage connectors or components.
This paragraph refers to the Setup Utility revision 2.0.1; other versions may differ. This utility is available for the COM-1274 module, and is backwardly compatible with the COM-1270. The Setup Utility is an exe program (setup.exe) that needs to be launched from DOS (not a DOS window) and allows the configuration of the Serial and CAN ports.
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COM-1274 User Manual Main Menu The Main menu shows a list with the available Sub Menus. Sub Menu A Sub Menu contains a list with the possible parameters you can set. Navigation / Input options The Navigation/Input options show you the possible actions you can perform with the currently selected parameter/Sub Menu.
Configure the COM-1274: the Setup Utility Serial & CAN PARAMETER POSSIBLE SELECTIONS DEFAULT CONFIGURATION • Disabled Serial Ports Global Status Enabled • Enabled Serial Ports Base Address List of available Base Addresses 280h Serial Ports IRQ List of available IRQ numbers...
COM-1274 User Manual Quit: While Quit is selected, the following message will appear when pressing the Enter or Return key: OPTION EFFECT Save data to EEPROM The configuration data will be saved to the EEPROM The Module will then reboot...
Physical characteristics Physical characteristics WARNING! Operating the board beyond the following specifications is not recommended. Stressing the device beyond the maximum ratings may affect device reliability and cause permanent damage and as a consequence will void the warranty. Operating characteristics Electrical operating characteristics CHARACTERISTIC VALUE...
COM-1274 User Manual Mechanical characteristics COM-1274 module dimensions (in millimetres) NOTE: The board’s mechanical dimensions are compliant with the PC/104 specifications. For further information please refer to the PC/104 Embedded Consortium: www.pc104.org COM-1274_UserMan_En_2.0...
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