Siemens SIMATIC ET 200AL - Wiring and Connections; Terminal and Block Diagrams

Configuration modes for digital inputs/outputs
3.2 Wiring
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
Manual, 03/2019, A5E38688112-AC
15
3.2 Wiring
3.2.1 Terminal and block diagram
The figure below shows an example of the pin assignment of signal inputs with 2-wire and
3-wire connection and of signal outputs in the configuration modes for digital inputs and
outputs.
①
DI/DQ circuit (1L+ non-switched)
X81
Loop-through of supply voltages
②
Microcontroller
X30
Infeed of the ET-Connection
③
Monitoring
X31
Loop-through of the ET-Connection
④
ET-Connection interface
1L+
Supply voltage 1L+ (non-switched)
⑤
Internal supply voltage
1M
Ground 1M (non-switched)
⑥
DI/DQ circuit (2L+ switched)
2L+
Load voltage 2L+ (switched)
⑦
Parameterized as inputs: 2-wire connection
2M
Ground 2M (switched)
⑧
Parameterized as outputs
1U
S
24 V encoder supply
⑨
Configured as input: 3-wire connection
2U
S
24 V encoder supply
⑩
Configured as output
DIQ
n
Input/output signal
⑪
Configured as input: 2-wire connection
DIQ
LEDs channel status (0..15) (green)
X10 to X17
Channels 0 to 15
DIAG
Diagnostic status LED (red/green)
X80
Infeed of supply voltages
PWR
LED supply voltage 2L+ (green)
Figure 3-1 Wiring and block diagram of configuration modes for digital inputs and outputs