Wiring
3.1
Terminal and block diagram
The following figure shows an example of the pin assignment of signal inputs with 2- and
3-wire connection as well as signal outputs.
①
Configured as output
②
Configured as input: 2-wire connection
③
Configured as input: 3-wire connection
④
Output
⑤
DI/DQ circuit
⑥
Microcontroller
⑦
Monitoring
⑧
ET-Connection interface
⑨
Internal supply voltage
⑩
DQ circuit
X10 to X17
Channels 0 to 7
X80
Infeed of supply voltages
X81
Loop-through of supply voltages
Figure 3-1
Terminal and block diagram
Digital input/digital output module DIQ 4+DQ 4x24VDC/0.5A 8xM8 (6ES7143-5BF00-0BA0)
Equipment Manual, 08/2021, A5E32349882-AD
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
DIQ
Input/output signal
n
DQ
Output signal
n
DIQ
LEDs channel status (0, 1, 2 and 3) (green)
DQ
LEDs channel status (4, 5, 6 and 7) (green)
DIAG
LED diagnostic status (red/green)
PWR
LED supply voltage 2L+ (green)
3
13