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User’s Guide # L010167 TB1: 8 Pin Terminal - All Connections INTERNALLY Wired to 25DB Port Pin # Description 1 Step Clock Input Anode (+): A positive going edge on this isolated input advances the motor one increment. The size of the increment is dependent on the Microstep Select Inputs of Switch 1. 2 Step Clock Input Cathode (-) 3 Direction Anode (+): This isolated input is used to change the direction of the motor. Physical direction also depends on the connection of the motor windings. 4 Direction Cathode (-) 5 ON/OFF Anode (+): This isolated input is used to enable and disable the output section of the driver. When HIGH (open) the outputs are enabled. However, this input does not inhibit the step clock. 6 ON/OFF Cathode (-) -Internally ALL Drivers ON/OFF are tied to PIN14 of the 25DB Port. 7 +5 VDC: This non-isolated output can be used to supply up to 50mA of current to the isolated inputs. By doing this, isolation will be disabled. 8 0 VDC: +5 VDC return. Table 2: Pin descriptions for terminal block TB1. Power Supply Requirements The DPA10002-01, DPG10003-01 and DPG10004-01 are all powered by an AC line voltage ranging from 90-265VAC. The following figure shows the various line voltages. December 2004 Absolute Maximum Ratings Input Voltage: 90-265 VAC Output Current: 10.0 AMPS PEAK Max Plate Temperature: 70° C Storage Temperature: 0° to +50° C Input Voltage (For isolated inputs): +5V to +24V at 2.5mA Electrical Specifications Item Min Typ Max Units Input Voltage 90 265 VAC Phase Output Current 1.0 7.1 A (RMS) Phase Output Current 1.5 10.0 A (PEAK) Clock Frequency 0 400 kHz Chopping Frequency 20 27 33 kHz +5VDC 4.8 5 5.2 V +5VDC 0 50 mA Operation Temperature 0 70 C Hook Up Drawings Hook Up for Current Sinking Inputs Optional: Non-Isolated +5VDC Output can power the MBC10641 Inputs (but isolation is eliminated). User’s Guide # L010167 DB25 PIN Port Connection Description 1. No Connection 14. Enable All Windings 2. No Connection 15. No Connection 3. No Connection 16. No Connection 4. No Connection 17. No Connection 5. No Connection 18. No Connection 6. No Connection 19. A Direction Input 7. No Connection 20. Z Direction Input 8 No Conneciton 21. Y Direction Input 9. X Direction 22. +5VDC Input Required to Power Driver OPTO 10. A Step ( Clock Input) 23. +5VDC Input Required to Power Driver OPTO 11. Z Step ( Clock Input) 24. No Connection 12. Y Step ( Clock Input) 25. No Connection 13. X Step ( Clock Input) Optically Isolated Inputs The following inputs to the MBC10641 are Optically Isolated. Item Pin # Clock 1 & 2 Direction 3 & 4 On/Off 5 & 6 To enable an input, apply a DC voltage source of +5VDC to +24VDC across the inputs. The Anodes (+) are pins 1,3,and 5 and the Cathodes (-) are pins 2, 4, and 6. Motor Selection The MBC10641 is a Bipolar Microstep Driver that is compatible with both Bipolar and Unipolar Motor Configurations, (i.e. 8 and 4 lead motors, and 6 lead center tapped motors). Step motors with low current ratings and high inductance ...

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