Status Led - LG RS 485 User Manual

RS485 Board
3.2.

Status LED

CPU LED
Normal operation of the board
Receiving 485 signal
RXD LED
Responding to 485 signal
TXD LED
Intermittent blinking
Blingking with CPU LED
ERR LED
coincidentally
Blinking after CPU LED blinks
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Connect CN1to CNC7
Figure 1-2. Installating RS485 Option Card to SV-iH
CNC3
G5 BC5
U4
BC4
CNC7
R
iH
6
U7 U6
iH Control Board
ㅊ
Wrong data received (normal)
DPRAM Communication Error
Network Connection TimeOut
3
B7
U8