Pacific Scientific 6415 Installation & Hardware Reference Manual page 71

Oscillator/drive
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Signal output
(See circuit diagram, Section 2.5.3)
characteristics
J4-1
≅ 100KΩ Input Impedance
VCO Input
Monitor
J4-2, J4-14,
50 mA max @ 25°C Ambient
J4-15
25 mA max @ 50°C Ambient
+8 V Ref Out
J4-3
≅ 1MΩ Input Impedance
External Pot
J4-12, J4-13,
100 ma Max (Max Reverse voltage = -50 Vdc)@ 25°C Ambient
J4-24, J4-25
50 ma Max (Max Reverse voltage = -50 Vdc)@ 50°C Ambient
Step Out
Maximum
500 KHz
step rate
Run/Direction
The figure below show the required timing relationship between
timing
the RUN and DIRECTION inputs:
requirements
MOTION BEGINS
WITHIN 50 s
RUN-
INPUT
DIRECTION
INPUT
6415 Installation and Hardware Reference Manual - Rev E
µ
SETUP TIME
µ
50 s MIN
DIRECTION DATA
MUST BE STABLE
OVER THIS INTERVAL
µ
50 s MIN
A - 3

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