Siemens SIMATIC ET 200SP Product Information page 49

Manual Digital Output Module DQ 4x24..230VAC/2A ST, Edition 03/2015
Section 3.1 Wiring and block diagram
The following figure shows the block diagram and an example of the pin assignment of the
digital output module DQ 4x24..230VAC/2A ST on the BaseUnit BU type B1.
① 2-wire connection
② 3-wire connection
③ Backplane bus interface
④ Output electronics
⑤ Color-coded label CCxx (optional)
DQ Output signal, channel n
n
L1 Encoder supply
P1, P2, AUX Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Figure 2-2 Wiring and block diagram for 2-wire and 3-wire connection of actuators.
Product information on the documentation of the ET 200SP distributed I/O system
Product Information, 02/2021, A5E03799595-BG
Supplements to ET 200SP documentation
N Neutral conductor
1L, 2L Supply voltage 24 V AC to 230 V AC
1N, 2N Neutral conductor supply voltage
PE (AUX) Protective conductor connection
DIAG Diagnostics LED (red/green)
.0, .1, .2, .3 Channel status LED (green)
PWR Power LED (green)
2.5 I/O module manuals
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