Siemens SIMATIC ET 200SP Manual page 15

Wiring: 1-wire connection of actuators
The following figure shows the block diagram and an example for the terminal assignment of
the digital output module DQ 16×24VDC/0.5A ST on the BaseUnit BU type A0 (1-wire
connection).
①
1-wire connection
②
Backplane bus interface
③
Output electronics
④
Polarity reversal protection
⑤
Supply voltage filter circuit (only available
with light BaseUnit )
⑥
Color-coded label with color code CC00
(optional)
Figure 3-1 Wiring and block diagram for 1-wire connection of actuators
Digital output module DQ 16x24VDC/0.5A ST (6ES7132-6BH01-0BA0)
Manual, 09/2017, A5E03574420-AE
DQ Output signal, channel n
n
24 V DC Supply voltage L+ (infeed for light-colored BaseUnit only)
M Ground
P1, P2, AUX Internal self-assembling voltage buses
Connection to left (dark-colored BaseUnit)
Connection to left interrupted (light-colored BaseUnit)
DIAG Diagnostics LED (green, red)
.0 to .15 Channel status LED (green)
PWR Power LED (green)
Connecting
3.1 Wiring and block diagram
15