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DH3 WIRELESS GATEWAY
USER GUIDE
4.
DH3 Cannot Communicate via RTU Port (Master/Slave)
If the DH3 is not properly communicating from the RTU Port to a 3
rd
party device:
•
Verify the wiring from the DH3 to the 3
rd
party device
•
Verify the RTU port is set up correctly (Modbus Master or Slave)
•
Verify the 3
rd
party device port settings
•
Note:
Reference the application notes for the respective 3
rd
party device for
detailed configuration, setup, LevelMaster Slave, and ROC Link Master settings
5.
Resetting DH3
The front panel of the DH3 has a reset button for reinitializing the device. The
button is recessed to prevent accidental resets. To reset the DH3:
•
Obtain a small screwdriver or pin that fits inside the reset hole
•
Press and hold the reset the button for 3 seconds and release
6.
Cannot Open BreeZ® Project File
Between different BreeZ® software versions and project files, there may be
compatibility issues.
•
Recommendation to always use the latest BreeZ® Software version on the
Download Center:
http://support.oleumtech.com
•
Refer to the compatibility matrix for project file and software compatibility.
Ex. project files create using BreeZ® 5.0 cannot be opened using BreeZ® 4.x
7.
Lost/Forgotten DH3 Login Credentials
Refer to Section 43 on instructions to reset the password. The following is required
to perform the reset:
•
Download Center Access:
http://support.oleumtech.com
•
Internet connectivity to access Download Center
•
Local connection to DH3
8.
Incorrect/Invalid data when Polling Modbus Register(s) with
BreeZ®
When performing a modbus poll through BreeZ®, data is being read directly from
the DH3. Invalid or incomplete data may appear as dashes or 0s. If 0s appear,
perform this means the data is being read:
•
Wait for the configured interval rate for data to be transmitted to the DH3
•
Ensure there is a good RF signal by removing obstructions and eliminating any
other RF interferences from other devices
•
Note: Certain data registers normally appear as 0s, such as Log/Trend Status
and RF Timeout
If dashes appear, this means there is a communication issue to the DH3:
•
Verify communication and com port settings to the DH3
•
If the DH3 was just turned on, wait until the boot up sequence is completed
9.
Cannot Read DH3 IP Address from Local Display
Whether the DH3 is setup as static or DHCP IP addressing, in order to properly read
the IP address, the DH3’s Ethernet port must be actively connected to a network or
another Ethernet device such as Router, Switch, IP Radio, RTU, PLC, or PC:
•
Verify Ethernet cable is properly connected from DH3 to another Ethernet
device
•
Verify DH3 and another Ethernet is powered on
•
If IP address cannot be discovered, then re-update DH3 using USB to Mini-USB
cable