Wiring; Terminal And Block Diagram - Siemens SIMATIC ET 200AL Manual

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