Siemens SIMATIC ET 200SP - Page 52

Supplements to ET 200SP documentation
2.5 I/O module manuals
Product information on the documentation of the ET 200SP distributed I/O system
52 Product Information, 02/2021, A5E03799595-BG
Digital output module DQ 8x24VDC/0.5A ST, edition 02/2019
Connection: 3-wire connection of actuators
The following figure shows an example of the pin assignment of the digital output module
DQ 8×24VDC/0.5A ST on the BaseUnit BU type A0 with AUX terminals (3-wire connection).
①
3-wire connection
1 A ... 10 A
AUX terminals
② Color-coded labels with color codes CC02 and
CC71 (optional)
PE (AUX) Protective conductor connection
③
Supply voltage filter circuit (only when light-
colored BaseUnit is present)
24 V DC Supply voltage L+ (infeed for light-colored Ba-
seUnit only)
DQn
Output signal, channel n
M
Ground
P1, P2, AUX Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Connection to left interrupted (light-colored
BaseUnit)
Figure 2-4 Terminal assignment for 3-wire connection of actuators