Siemens SIMATIC ET 200SP Manual page 13

The figure below shows the wiring of a digital input, using the example of channel 0:
+
You can also connect a digital sensor with sensor supply over the corresponding output
terminal DQ
monitoring is available for digital input DI
The figure below shows the 2-conductor terminal of a measuring transducer, using the example
of channel 0:
+
Input/output module AI-DI 16/DQ16x24VDC HART HA (6DL1133-6EW00-0PH1)
Manual, 05/2017, A5E39294170-AA
3.1 Pin assignment of the I/O module AI-DI 16/DQ16x24VDC HART HA
L+
DQ
0
DI
0
M
; see 3.3.1 (Operating mode of the digital output). In this case, sensor supply
0
L+
U
V0
+
MU
-
I
0+
M
Digital driver
3200 Ω Input electronics
.
0
Sensor supply
HART
A
250 Ω
D
Wiring
Backplane bus
Backplane bus
13