S2000R
11
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5. INDICATION
The S2000R-ARR32 is equipped with three two-color LEDs on its front panel (see Figure 3-1):
•
POWER: Indicates condition of the power supplies;
•
LOOP: Indicates data communication over the polling loop;
•
RADIO: Indicates data communication with the connected radio link devices.
Table 5-1. Operating Indication
LED
Performance
Condition
POWER
Off
The mode of powering via the polling loop is
selected
Illuminates with green
Normal power
Flashes with amber every second
Power failure
LOOP
Flashes with green every 4 s
Data is being communicated
Flashes with amber every 4 s
No data is communicated
Illuminates with amber
Zero voltage is detected at the polling loop terminals
RADIO
Flashes with green every 4 s
Normal communication with all connected radio link
devices
Flashes with amber twice per
second
No communications with one or more connected
radio link devices for more than three Poll Intervals
Flashes with amber four times per
second
No communications with all the radio link devices for
more than three Poll Intervals
Off
The transceiver is disabled, the ARR32 doesn’t
communicate with the radio link devices
Table 5-2. Software Error Indication*
Condition
LED Performance
Radio Firmware Error
POWER illuminates with amber while LOOP and RADIO flashes
simultaneously with amber two times per second
Core Firmware Error
POWER, LOOP, and RADIO illuminate with amber
Radio and Core Link Error
RADIO illuminates with amber
* - Potential causes of faulty operation and troubleshooting practice are discussed in Appendix B.
