Omron SMARTSTEP A Series User Manual page 187

Operation
Turning Function Switches ON and OFF
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The default setting for all function switches is OFF. Use a thin-blade non-conductive ceramic screw-
driver or equivalent to turn the switches ON and OFF. In the following diagrams, the left diagram
shows a switch turned OFF, and the right diagram a switch turned ON.
4-2-2 Setting Function Switches
Switch/Parameter Switch (Switch 6)
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Switch 6 sets whether the Servo Driver is to be operated using the function switches, or using the
parameter settings.
Switch 6
OFF Function switches are enabled. (Enables switches 1 to 5.)
ON Parameter settings are enabled.
Note Here, settings will be performed using the function switches, so turn OFF switch 6.
Resolution Setting (Switches 4 and 5)
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Switches 4 and 5 set the positioning resolution. When they are set to 1,000 (the default setting), the
Servomotor will rotate once for every 1,000 pulses that are input.
Switch 5 Switch 4
OFF OFF
OFF ON
ON OFF
ON ON
Note At 5,000 pulses/rotation = 3,000 r/min at 250 kpps command pulses
At 10,000 pulses/rotation = 1,500 r/min at 250 kpps command pulses
Command Pulse Input Setting (Switch 3)
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Switch 3 sets whether the command pulse input uses 2 pulses (forward (CCW) and reverse (CW)
pulses) or a 1 pulse (feed pulse (PULS) and a forward/reverse signal (SIGN)).
Switch 3
OFF Forward pulse (CCW)/reverse pulse (CW) input (Positive logic)
ON Feed pulse (PULS) forward/reverse signal (SIGN) input
Note Set according to the pulse output form of the Position Controller.
Switch turned OFF
Switch/parameter switch
1,000 pulses/rotation (0.36 ° /step)
10,000 pulses/rotation (0.036 ° /step)
500 pulses/rotation (0.72 ° /step)
5,000 pulses/rotation (0.072 ° /step)
Command pulse input setting
Switch turned ON
Resolution setting
Chapter 4
4-5