Real Time Automation, Inc.
55
1-800-249-1612
Diagnostics
– Modbus RTU Master
Select the Modbus RTU Master in the top dropdown menu on the Diagnostics Page to view a breakdown
of the diagnostics and common strings that are displayed on the page. You may also view individual
Slave counters by selecting the device in the
All Slaves
dropdown and clicking
View
. Additional
diagnostic information can be found by clicking the
Help
button.
NOTE
: This page will auto-refresh every five seconds with the latest data.
Clear All Values
- This will only affect displayed values.
1)
This will return all values displayed to zero and clear the Status Strings.
Example: If viewing Modbus RTU Master
–
Slave Address 1, this will only clear the values for Slave
Address 1. This will reduce the
All Slaves
values indirectly.
Device Status
- This will only display when viewing
All Slaves
.
1)
Connected and Running
–
the gateway is connected to all the Modbus RTU Slaves.
2)
Error: Timeout
–
No Modbus RTU scan lines are configured under an enabled Slave.
Or, one or more enabled Modbus RTU Slaves are missing.
a.
Verify Modbus RTU device for Slave Address, 0 or 1 Base Addressing, ASCII Messaging, and
Starting Addresses
b.
Verify that Port Settings used match the Modbus Slave that the gateway is communicating with.
c.
Verify wires for specific port settings.
3)
Dependency Protocol Faulted
–
The dependent protocol is missing causing the communication to go
inactive.
4)
Unknown: First Scan Not Complete
–
Multiple scan lines are set up for the device and the gateway
has not completed all the scan lines for the first time.
5)
Fatal Error: Couldn’t Open Hardware Port –
The serial port selected on the Modbus RTU Master
Configuration page is not configured.
6)
Fatal Error: No Configuration
–
No Modbus RTU Slaves are enabled though a Serial Port is enabled.