Can I Use Wall Power?
This page explains how to power the OV20i system safely using standard wall outlets, and what adapters or supplies are compatible.
Yes — Wall Power Is Allowed
You can power the OV20i using a wall outlet, as long as you use a compatible 24V DC power supply.
| Requirement | Spec |
|---|---|
| Voltage Range | 19–24 VDC |
| Power Input Port | M12 A-Coded 17-pin connector |
| Current Draw | ~1.5A max |
| Grounding | Required for I/O functionality |
Recommended Wall Power Adapter
Overview recommends the following accessory:
| Part Name | Details |
|---|---|
| 24V DIN-Rail Power Supply | Converts 110–240 VAC to 24V DC |
| M12 Power Cable | 17-pin A-coded with flying leads or terminals |
| Mounting | Can be DIN-mounted in control panel |
note
See the full list of accessories in Recommended Accessories.
Setup Instructions
-
Connect M12 Power Cable
→ Connect pins 13 & 14 to +24 VDC
→ Connect pins 5 & 6 to GND
-
Use Industrial 24V Adapter
→ Rated for ≥36 W output
→ Must be regulated and isolated
-
Ground DIO GND if using triggers or outputs
→ Pin 7 (DIO GND) should be tied to system GND
⚠️ Do Not Use:
| ⚠️ Not Recommended | Why Not |
|---|---|
| USB-C Port | Not supported or used on the OV20i |
| POE Injectors | OV20i does not support Power over Ethernet |
| Unregulated 24V Sources | May cause brownout, instability, or damage |
Best Practices
- ✅ Use Overview-approved power supplies or industrial-grade adapters
- ✅ Ensure proper fuse protection (1–2A slow blow fuse suggested)
- ✅ Confirm power polarity before applying current
- ✅ Secure connections with locking M12 screw ring