Rice Lake 880 Performance Series Panel Mount Indicator/Controller - Modbus TCP Interface Option Installation and Programming Manual - Manual (Page 11)

Installation 7
2.2 LED Status Indicators
An LED array on the Modbus TCP Interface module provides status information for
troubleshooting. LED 2 provides network status; LED 3 provides status indication for
the Modbus TCP Interface module (see Figure 2-10). LEDs 1 and 4 are reserved.
Figure 2-10. Modbus Status LED Module
Network Status LED (Item 1)
A test sequence is performed on this LED during startup.
Module Status LED (Item 2)
A test sequence is performed on this LED during startup.
LED State Description
Off No power or no IP address
Green Module is in Process Active or Idle state
Green, flashing Waiting for connections
Red Duplicate IP address, FATAL event
Red, flashing Process Active Timeout.
Table 2-1. Network Status LED
LED State Description
Off No power
Green
Normal operation
Red Major fault; module is in state EXCEPTION (or FATAL event)
Red, flashing Minor fault in diagnostic object
IP conflict
Table 2-2. Module Status LED
1
2
3
4
Note
Note