Application Wiring; I/O Wire Connection - Protech Systems SI-W309 User Manual

3.2 Application Wiring

3.2.1 I/O Wire Connection

Digital Input Wire Connection
On Voltage Level (Readback as 0): Wet Contact, +3.5V ~ +50VDC
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Off Voltage Level (Readback as 1): Wet Contact, +1V DC Max
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Digital Output Wire Connection
SI-W309 SERIES USER MANUAL
Chapter 3 Hardware Configuration
Page: 3-5