
IMPULSE®•G+/VG+ Series 4 Digital Input Installation Manual - August 2011
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5.
Wire the customer-supplied digital input signal to the terminal blocks on the option. Refer to Figure
9 for wiring instructions.
Connection Diagram
Refer to Table 3 on page 20 for a detailed description of the option board terminal functions. To
ensure accurate control, use a stable power supply for the voltage reference source.
Figure 9: Option Connection Diagram