C11T- MULTIFUNCTION CNC BOARD Rev. 2 - CNC4PC

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C11T (Rev.2.1) User ManualRequirements:It requires a 5VDC @ 1.5 Amp power supply to operate.It requires an additional 5VDC @ 200mA power supply to power the drivermonitoring circuit if using G320/340 drivers. This to keep the ERR/RES terminalisolated. This power supply or it’s ground should not be used on anything else onthe wiring to keep the ground of the drivers isolated from the ground of the logic.WARNINGCheck the polarity and voltage of the external power source and connect the 5Vand GND. Overvoltage or reverse-polarity power applied to these terminals cancause damage to the board, and/or the power source.WARNING: This card must have the power supplied while it is connected tothe PC. If power is removed to the card while it is connected to the PC, noise canbe introduced to the output lines. This can create a dangerous situation as relaysor other devices that might be connected to this card, which could get activated.Revision: 9/23/2010 http://cnc4pc.com/TechDocs/C11TR2_1_User_Manual.pdf 4/24
C11T (Rev.2.1) User Manual4. Functional Block Diagrams4.1 Outputs 2-9 simplified functional block diagramFig. 1 Simplified functional block diagram for the outputs 2-9.Parallel Port coupling is done following IEEE 1284 standard recommendation. Theindicator led is driven by a different buffer.4.2 Outputs 1, 14, 16 and 17 simplified functional block diagramFig. 2 Simplified functional block diagram for the outputs 1, 14, 16 and 17.Note: “Internal Enable” = “E-Stop Pin” AND (“SCHP” OR “Bypassed SCHP”) AND ParallelPort connection.Revision: 9/23/2010 http://cnc4pc.com/TechDocs/C11TR2_1_User_Manual.pdf 5/24
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C11T- MULTIFUNCTION CNC BOARD Rev. 2 - CNC4PC

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