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Фрагмент инструкции
The MBC10641 driver operates with either a transformer, whose input can be wired from 90-265 VAC or a DC voltage of 30-85 Volts. The inputs are optically isolated with a minimum sourcing of 7.0 mA per input (+5VDC minimum to +24VDC maximum). The clock input is set to receive either positive or negative edge clocks with a maximum frequency of 400KHz. The MBC10641 driver offers direction control and motor current ON/OFF capabilities. The Reduce Current Enabled automatically reduces motor current to 70% of set value after the last step is made (1sec delay). The driver has built-in features to indicate power on (Green LED), Clocks being received (Yellow LED) and fault conditions (Red LED). With the MBC10641, various step resolutions can be implemented by the onboard dip switch. These divisions range from 200 steps per revolution to 12,800 steps per revolution. The bipolar drive configuration handles 4, 6 and 8 lead motors. Protection devices have been added to this driver for Phase to Phase Short-Circuit, Motor Mis-Wire, Over-Temperatureand Over-Voltageconditions. Pin Descriptions The inputs on the MBC10641 are optically isolated with the anode (+) and cathode (-) both brought out to the user. With no current going through the opto-diode, the input is considered high. To enable the input a minimum of 7.0 mA needs to be sourced or sinked through the opto-diode. This is done simply by placing a voltage of +5 to +24 VDC across the two inputs of the opto-diode. If sourcing current into the inputs, then all three cathodes (-) should be tied together and grounded as shown in Figure 4. If sinking current, then all three anodes (+) should be tied together to the +voltage as shown in Figure 3. Provided on the MBC10641 is an external +5VDC out, which can be used to power the inputs for sinking mode only. However if you use this voltage, isolation is not preserved. TB2: 5 Pin Terminal Description Pin # Description 1 Phase A: Phase 1 of the Step Motor 2 Phase A: Phase 3 of the Step Motor 3 Phase B: Phase 2 of the Step Motor 4 Phase B: Phase 4 of the Step Motor 5 Motor Ground Table 1: Pin descriptions for terminal block TB2. 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...
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