Siemens SIMATIC ET 200SP CM 1xDALI - Page 20

Wiring
3.4 Block diagram
ET 200SP Communication module CM 1xDALI (6ES7137-6CA00-0BU0)
Manual, 06/2019, A5E46959434-AA
19
Block diagram
The following figure shows the block diagram and the terminal assignment of the
CM 1xDALI.
①
DALI+ connection
TX
Transmit LED (green)
②
DALI- connection
RX
Receive LED (green)
③
Backplane bus interface
FOV
Fault over voltage LED (red)
④
DALI driver electronics
PWR
POWER LED (green)
DIAG
Error or Diagnostics LED (green, red)
L+
24 VDC supply voltage
P1, P2, AUX Internal self-configuring voltage buses
Connection to the left (dark BaseUnit)
Connection to the left interrupted (light BaseUnit)
M
Ground
Figure 3-2 Wiring and block diagram for CM 1xDALI