POWER LEADER™ Ethernet Gateway
Chapter 5 – Errors and Diagnostic Messages
Chapter 5 – Diagnostic Messages and Errors
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The Ethernet Gateway can be set to send diagnostic messages to the RS232 port to be displayed on a
terminal (see Chapter 3). These diagnostic messages can be very useful in tracking down errors in configuration or device addressing.
Diagnostic messages sent to the RS232 port in moni- tor mode have the following format:
Table 6 explains what each field means:
Field |
| Meaning |
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| The relative time of the message in timer |
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| ticks. This rolls over every |
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| 1,000,000,000 timer ticks. |
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| Indicates the direction of the message: |
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| |
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| sent from the Ethernet Gateway to |
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| RS485 port number 1,2,3 or 4 |
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| |
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| RS485 port number 1,2,3 or 4 to the |
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| Ethernet Gateway |
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| Header byte added to regular Modbus |
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| message. Printed as two hex digits. |
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| Binary data of regular Modbus message. |
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| Printed as two hex digits. |
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| Table 6. Diagnostic messages key. |
Table 7 gives error messages that may be generated by the Gateway and displayed at the PMCS host.
Message | Meaning |
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Error - Buffer Overflow | One or more buffers have |
| overflowed. |
Error - Writing to Flash | An attempt to write to flash ROM |
ROM | (drive A) has failed. |
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|
Error - Reading Flash | An attempt to read the flash ROM |
ROM | (drive A) has failed. |
Table 7. Error message key.
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