Siemens SIMATIC ET 200SP Manual page 18

Connection: 1-wire and 2-wire connection of actuators
The following figure shows the block diagram and an example of the terminal assignment of
the digital output module DQ 4x24..230VAC/2A HF on the BaseUnit BU type U0.
①
1-wire connection
②
2-wire connection
③
Backplane bus interface
④
Output electronics
⑤
Polarity reversal protection
⑥
Color-coded label CC20 (optional)
DQ Output signal, channel n
n
Figure 3-1 Wiring and block diagram for 1-wire and 2-wire connection of actuators.
DQ 4x24..230VAC/2A HF digital output module (6ES7132-6FD00-0CU0)
Manual, 02/2018, A5E42404845-AA
24..230 V AC Supply voltage L (infeed for light-colored BaseUnit
only)
P1, P2, AUX Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Connection to left interrupted (light-colored BaseUnit)
N Neutral
DIAG Error or diagnostics LED (green, red)
.0 to .3 Channel status LED (green)
F0 to F3 Channel fault LED (red)
PWR Power LED (green)
DQ mode
3.1 Wiring
17