Pacific Scientific 6415 Installation & Hardware Reference Manual page 39

Typical
The figure below shows a typical interface between the user's
interface
electronics and the 6415. The TTL gates should have totem pole
outputs and be capable of sinking at least 10.0 mA at 0.4 volts.
USER'S
CONTROL
ELECTRONICS
+5 Vdc
TTL
TTL
TTL
TTL
TTL
6415 Installation and Hardware Reference Manual - Rev E
LOW_SPD
LOW_SPD
RUN
RUN
STOP
STOP
DIR
DIR
ENABLE
ENABLE
MOTION BEGINS
µ
WITHIN 50 s
RUN-
INPUT
SETUP TIME
µ
50 s MIN
DIRECTION
INPUT
6415
STEPPER
J4
DRIVE
19
TLP 621
2.21K
1K
7
20
TLP 2601
2.21K
1K
8
21
TLP 621
2.21K
9
1K
22
TLP 621
2.21K
1K
10
23
TLP 621
2.21K
1K
11
µ
50 s MIN
DIRECTION DATA
MUST BE STABLE
OVER THIS INTERVAL
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