No error found

What does NO_ERROR mean?

No error is currently detected in the Modbus TCP Server or Client operations. The system is functioning normally.

Click steps to track your progress.

1. 1

   Verify status indicator LEDs on the MicroLogix 1400 for normal operation (e.g., RUN solid green, FLT off, Ethernet Link/Activity blinking).

2. 2

   Inspect Ethernet cable connections at the MicroLogix 1400 and network device (switch/client) for security and integrity.

3. 3

   Verify network settings (IP address, Subnet Mask, Gateway) configured on the MicroLogix 1400 match the intended network architecture.

4. 4

   Check Modbus TCP Server/Client configuration parameters within the PLC program for correct function codes, slave IDs, and data address ranges.

5. 5

   Measure the supply voltage at the MicroLogix 1400 input terminals to confirm it is within specified operating limits.