ABB Relion 670 series - Power-Up and LED Statuses with Transceiver 21-219

IEC07000249-1-en.vsdx
IEC07000249 V1 EN-US
Figure 78: Rotary switch for clock synchronization configuration
Every switch position for clock selection is represented by the four LEDs (1, 2, 4
and 8) on the front panel as shown in Table 23 (X indicates a lit LED). The LEDs
form a corresponding binary-value for each switch position.
Table 23: LEDs indicating clock synchronization configuration by the rotary switch
LED 1 LED 2 LED 3 LED 4 Function
(0H) External clock selected (slave mode)
X (1H) Internal clock selected (master mode)
5.5.5 Power-up and LED statuses with transceiver 21–219
GUID-52777300-7C19-47E4-BF9B-ED974E050D47 v1
To power up transceiver 21–219, connect the power cord to the transceiver, and
then connect the other end of the cord to mains.
IEC07000246-1-en.vsdx
IEC07000246 V1 EN-US
Figure 79: Channel LED indicators
1
Status LEDs for Channel 0
1MRK 505 382-UEN B Section 5
Communication set-up
Communication set-up 670/650 series 2.2 91
Application Guide