Siemens SIMATIC ET 200SP Manual page 16

Wiring: 1 and 2-wire connection of actuators
The following figure shows an example of the terminal assignment of the digital output
module DQ 8×24VDC/0.5A HF on the BaseUnit BU type A0 without AUX terminals (1- and
2-wire connection).
①
1-wire connection
②
2-wire connection
③
Backplane bus interface
④
Output electronics
⑤
Polarity reversal protection
⑥
Color-coded label with color code CC02 (op-
tional)
⑦
Filter connection supply voltage (only when
light-colored BaseUnit is present)
Digital output module DQ 8x24VDC/0.5A HF (6ES7132-6BF00-0CA0)
Manual, 12/2017, A5E03576680-AE
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 Ba-
seUnit)
DQ Output signal, channel n
n
DIAG Error or diagnostics LED (green, red)
.0 to .7 Channel status LED (green)
F0 to F7 Channel fault LED (red)
3.1 Wiring and block diagram
Wiring
15