iPro Digital Inputs Wiring Digital Inputs • 19
7 Wiring Digital Inputs
7.1. iPro Digital Inputs
The iPro digital inputs are located on their own 22-pin connector along the bottom of the device. The iPro provides a maximum of 20
opto-insulated digital inputs that are configurable through the Visograph display. See figures below for connection details.
Figure 7-1 - iPro Digital Input Wiring - Dry Contacts
DIGITAL INPUTS
TYPE: Opto-insulated voltage free or live contact (24VAC/DC)
External power 24VAC/DC ±20%
NUMBER OF INPUTS: 20
NOTES: If the digital inputs are used with voltage, use another transformer (do
not use the same secondary of the controller’s power) in order to
prevent the inputs from malfunctioning or being damaged.
Table 7-1 - iPro Digital Input Specifications
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