Siemens SIMATIC ET 200AL System Manual page 390

Counting
4.1 Configuration method 2xCount
4.1 Configuration method 2xCount
4.1.1 Wiring
4.1.1.1 Terminal and block diagram
The following figure shows as an example the pin assignment of the counters in the
configuration method Count (2xCount). Connection examples for allocating the freely
parameterizable channels 8..15 are available in the section Configuration method DIQ,
subsection Terminal and block diagram (Page 16).
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
Counting input counter
⑧
DQ for counters
⑨
Gate start/stop (level-controlled) or digital input
without function
⑩
Counting direction or digital input without function DIQ
Channels 0 to 15
X10 to X17
Infeed of supply voltages
X80
Figure 4-1 Wiring and block diagram configuration method 2xCount
30
X81
X30
X31
1L+
1M
2L+
2M
1U
S
DIQ
n
DIAG Diagnostic status LED (red/green)
PWR LED supply voltage 2L+ (green)
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
Loop-through of supply voltages
Infeed of the ET-Connection
Loop-through of the ET-Connection
Supply voltage 1L+ (non-switched)
Ground 1M (non-switched)
Load voltage 2L+ (switched)
Ground 2M (switched)
24 V encoder supply
Input/output signal
Channel status LEDs (0 to 15) (green)
Manual, 09/2017, A5E38688112-AB