ELPRO Technologies 925U-2 Wireless Mesh Networking I/O and Gateway Installation Guide
- June 3, 2024
- ELPRO Technologies
Table of Contents
ELPRO Technologies 925U-2 Wireless Mesh Networking I/O and Gateway
Statutory requirements
FCC: This device complies with Part 15.247 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
FCC: Unlicensed operation limits the radio power. High gain aerials may only be used to compensate for cable losses.
WARNING – EXPLOSION HAZARD
Do not disconnect the device while the circuit is live unless the area is known to be non-hazardous.
NOTE
The 925U-2 module ships from the factory as a bridged meshing radio. If communication with the older legacy 915U-2’s is required, radio’s operating mode can be changed with firmware.
Antenna installation
Use Figure 1 as a guide for installing an antenna and attaching it to the module. Figure 1. Antenna installation
Connecting to the module for configuration
- Download and install configuration application “CConfig” from ELPRO website www.elpro.com.au
- Connect to PC using supplied USB cable
- Connect to the device at 192.168.111.1
- The PC will be automatically assigned an IP address via DHCP
- Username : user
- Password : user
NOTE
All connections must be SELV <50 Vac and <60 Vdc.
The following illustrations show the ports on the 925U
Power supply wiring
- The ground (GND) and “SUP –“ terminals are connected internally to the ground terminal.
- Connect the screw terminal on the end plate to ground for surge protection.
Expanson I/O power and RS‑485 serial connection
- An on-board RS‑485 terminating resistor provides line attenuation for long runs.
- Place terminating resisters at each end of the RS‑485 cable
Configuration switches
Use the DIP switches in the side access panel to select analog input voltage and current, external boot, and default configuration settings.
- DIP /DESCRIPTION
- 1 AI3 current/voltage
- 2 AI3 current/voltage
- 3 AI4 current/voltage
- 4 AI4 current/voltage
- 5 Unused
- 6 Enables default configuration
Input and output connections
The digital input/output channels can be wired as inputs or outputs
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Australia
www.elprotech.com
Telephone: Global:+61 7 3352 8600
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78741-6931
USA
Telephone: USA: +1 855 443 5776
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