Rice Lake DeviceNet Series, Инструкция по установке и программированию

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6
520/820i/920i
DeviceNet Installation and Programming Manual
2.4 LED Status Indicators
An LED array on the DeviceNet module provides
status information for troubleshooting. LED 2 provides
network status; LED 3 provides status indication for
the DeviceNet module (see Figure 2-8). LEDs 1 and 4
are reserved.
1
2
3
4
Module s tatu s
Network s tatu s
Figure 2-8. DeviceNet Status LED Module
Table 2-4 summarizes the function of the module and
network status LEDs.
Table 2-4. Module and Network Status LED Indications
LED Status Description
LED 2
Network
Status
Off Not powered or not online
Steady Red Critical link failure
Flashing Red Connection time-out
Flashing Green Online, not connected
Steady Green Online, connected
LED 3
Module
Status
Off No power to module
Steady Red Unrecoverable fault
Flashing Red Minor fault
Steady Green Module operational
A single bi-color LED on the surface of the DeviceNet
module provides diagnostic information for debugging
the module itself. Table 2-5 lists the indications
provided by the debugging LED.
Table 2-5. Debugging LED Indications
Status Description
Off No power
Red, 4Hz DPRAM check fault
Red, 2Hz ASIC and FLASH ROM check fault
Red, 1Hz RAM check fault
Green, 2Hz Module not initialized
Green, 1Hz Module initialized and running