Chapter 7 Option Cards | VFD-ED
7-2-3 Applicable encoders:
1. Open collector output encoder application: Use one pull-up resistor for each set of input current
5–15 mA. If open collector input voltage uses 5V or 12V external power, connect the encoder
power externally. See the PG wiring Figure 7-8 below.
5V Suggested pull-up resistor: above 150–520ohm, 1/2 W
12V Suggested pull-up resistor: above 600–2Kohm, 1/2 W
EMED-PGABD-x Open Collector Encoder
Figure 7-7
EMED-PGABD-x Open Collector Encoder
Figure 7-8
EMED-PGABD-x Open Collector Encoder
Figure 7-9
ABZ/UVW
ABZ/UVW
0V
4.7kohm
External pull-high
resistor
VP
ABZ/UVW
VCC
GND
ABZ/UVW
ABZ/UVW
0V
4.7kohm
VP
ABZ/UVW
VCC
GND
External
power
(5V or 12V)
External pull-high
resistor
ABZ/UVW
VCC
GND
4.7kohm
VP
ABZ/UVW
0V
ABZ/UVW
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