O p e n C o l l e c t o r I n t e r f a c e
Figure 7.7 shows an open collector interface connected to the reset input.
This interface method may be used with any of the logic inputs. Remem-
ber that a current limiting resistor is required if an opto supply voltage
greater than +5 VDC is used.
+VDC
5
10
12
15
24
Low Pulse
Will Reset
Driver
T T L I n t e r f a c e
Figure 7.8 shows a TTL device connected to the enable input. This inter-
face method may be used with any of the logic inputs.
CONTROLLER
OUTPUT
46 IM805 Operating Instructions Revision R032306
R
LIMIT
-----
681
1000
1300
2670
CONTROLLER
OUTPUT
Figure 7.7: Open Collector Interface
+5 VDC
Figure 7.8: TTL Interface
+VDC
Opto Supply P1:4
Reset P1:6
R
LIMIT
W
1⁄4 W 1%
Opto Supply P1:4
Enable P1:5
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