IoT Gateway
Installation Guide
Mounting, power wiring, antenna connection, and environment requirements for the HPzenAi gateway.
Installation Video Guide
Watch the complete installation walkthrough before starting. The video covers site selection, DIN rail mounting, power wiring, antenna connection, RS485 bus wiring, and first-power commissioning.
Tools Required
Gather these tools before starting. No specialist equipment is needed for a standard panel or wall installation.
Tool Checklist
| Preview | Quantity | Item | Details |
|---|---|---|---|
| × 1 | Flat-Head Screwdriver | For securing RS485 and power terminal block connections | |
| × 1 | Wire Strippers | To prepare RS485 cable ends and power wires before insertion into terminals | |
| As required | RS485 Shielded Twisted-Pair Cable | 2-core shielded cable for field device wiring — not included, sourced separately | |
| × 1 | Multimeter | To verify 12V DC supply voltage and RS485 bus continuity before powering on | |
| × 1 | DIN Rail Cutter or Hacksaw | To cut the 35 mm DIN rail to the required length if not pre-cut | |
| × 4 | M4 Screws and Wall Plugs | For direct wall mounting if a DIN rail enclosure is not used | |
| As required | Cable Ties / Management Clips | To secure and route RS485 cables neatly within the enclosure |
Flat-Head Screwdriver
For securing RS485 and power terminal block connections
Wire Strippers
To prepare RS485 cable ends and power wires before insertion into terminals
RS485 Shielded Twisted-Pair Cable
2-core shielded cable for field device wiring — not included, sourced separately
Multimeter
To verify 12V DC supply voltage and RS485 bus continuity before powering on
DIN Rail Cutter or Hacksaw
To cut the 35 mm DIN rail to the required length if not pre-cut
M4 Screws and Wall Plugs
For direct wall mounting if a DIN rail enclosure is not used
Cable Ties / Management Clips
To secure and route RS485 cables neatly within the enclosure
What's in the Box
Verify all items are present before beginning installation. Contact support if anything is missing or damaged.
Included Items
| Preview | Quantity | Item | Details |
|---|---|---|---|
| × 1 | HPzenAi Gateway Unit | Main gateway body with DIN rail clip pre-attached | |
| × 1 – 2 | Antenna(s) | Wi-Fi / RF SMA antenna — model-dependent; RF antenna included on GW-1 and GW-3 | |
| × 1 | 12V DC Power Adapter | Plug-top adapter with flying lead for terminal block connection | |
| × 1 | Quick-Start Installation Guide | Printed reference card for mounting, wiring, and first-time app setup |
HPzenAi Gateway Unit
Main gateway body with DIN rail clip pre-attached
Antenna(s)
Wi-Fi / RF SMA antenna — model-dependent; RF antenna included on GW-1 and GW-3
12V DC Power Adapter
Plug-top adapter with flying lead for terminal block connection
Quick-Start Installation Guide
Printed reference card for mounting, wiring, and first-time app setup
Site Selection & Mounting
Choose a mounting location that provides stable power, adequate wireless coverage, and easy access for future maintenance. The gateway mounts on a 35 mm DIN rail inside a control panel or weatherproof enclosure, or directly on a wall using M4 screws through the rear mounting points.
Steps
- Mount the gateway inside a weatherproof enclosure or control panel rated IP55 or better for any outdoor or damp location.
- Position the gateway within reliable Wi-Fi range of the router, or confirm mobile data coverage for SIM-equipped models (GW-1, GW-2).
- Keep the gateway away from high-voltage cables, large metal surfaces, variable-frequency drives, and other strong sources of RF interference.
- For RS485 field device networks, position the gateway near the centre of the device run to minimise total cable length.
- Ensure the antenna port faces outward and is unobstructed — do not mount the gateway flat against a metal backplate without antenna clearance.
- Snap the gateway onto the 35 mm DIN rail using the rear clip, or fix with M4 screws to the wall at the four rear mounting points.
- Confirm the gateway is accessible for future SIM insertion, antenna replacement, and reset button access.
Power & Antenna Connection
Connect the 12V DC power supply and attach antennas before applying power. Never power on the gateway without the antennas connected — powering a radio transmitter without an antenna can damage the RF circuitry.
Steps
- Connect the 12V DC power adapter output lead to the gateway DC input terminal (+ and − clearly marked on the terminal block).
- For panel installations, use the HPzenAi SPD (surge protection device) on the AC input side of the power supply to protect against mains transients.
- Verify the supply voltage is in the 11.5–13.5 V DC range with a multimeter before connecting to the gateway.
- Screw the Wi-Fi SMA antenna onto the port marked 'ANT' — tighten finger-tight only.
- For RF models (GW-1, GW-3), screw the RF antenna onto the port marked 'RF ANT'.
- Position all antennas vertically for maximum range.
- Insert the nano-SIM card (GW-1, GW-2 only) before powering on — insert gold contacts facing down, notch corner first, into the SIM slot on the side panel.
Final Inspection Checklist
Complete this checklist before powering on the gateway for the first time.
Steps
- Gateway securely mounted on DIN rail or wall.
- 12V DC supply connected and verified with multimeter.
- Wi-Fi antenna attached and upright.
- RF antenna attached (GW-1, GW-3 only).
- Nano-SIM inserted (GW-1, GW-2 only).
- RS485 cable routes planned and cables dressed neatly.
- Gateway enclosure is rated for the installation environment.
- Gateway accessible for future maintenance and reset.
Important Installation Notes
Follow these precautions during installation and whenever servicing the gateway.
Steps
- Never power on the gateway without antennas attached — this can permanently damage the RF transmitter circuitry.
- Always power off the gateway before handling the SIM card or modifying terminal block wiring.
- Use shielded twisted-pair cable for all RS485 runs and connect the cable shield to earth at the gateway end only.
- Separate RS485 signal cables from mains power cables by at least 200 mm to prevent interference.
- For solar-powered remote sites, use the HPzenAi Solar Power Adapter (PWR-SOL-12V-12W) with a correctly sized battery to maintain continuous operation.