Pacific Scientific 6415 Installation & Hardware Reference Manual page 53

Oscillator/drive
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Minimum Speed
E5 jumper sets the VCO minimum output pulses frequency
Threshold
threshold depending on the E2 jumper configuration. Steps below
Setting
this frequency are inhibited to insure no movement at end of decel
ramp.
This functionality can be disabled by inserting jumper E5.
E5
IN
OUT
Min Speed Threshold:
Direction
Command Setting
DIR+/DIR-
This optically isolated input controls the direction of motor
rotation when the E6, E7 and E8 jumpers are removed. Motor
rotation is CCW if the opto is driven and CW otherwise. The
direction of motor rotation can also be controlled by the analog
input or plug on jumpers as shown.
Control
Jumper
Jumper
Source
E6
E7
DIR+/DIR- Out
Out
Out
Out
Jumpers
In
In
Out
Out
Analog In
In
Out
In
Out
3 - 12
MIN SPEED Frequency
Disable minimum speed
Enable minimum speed
4 Khz Max for high frequency range
2 Khz Max for low frequency range
Jumper
DIR Opto
E8
Out
Driven
Out
Not Driven
Out
Driven
Out
Not Driven
In
Driven
In
Not Driven
6415 Installation and Hardware Reference Manual - Rev E
Analog In
Rotation
——-
CCW
——-
CW
——-
CCW
——-
CW
Negative
CCW
Positive
CW

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