Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Equipment Manual, 08/2021, A5E48753535-AB
13
Wiring
3
3.1
Terminal and block diagram
The figure below shows an example of the pin assignment for voltage measurement and
thermocouple measurement.
①
Voltage measurement
X30
Infeed of the ET-Connection
②
Thermocouple measurement
X31
Loop-through of the ET-Connection
③
Multiplexer
1L+
Supply voltage 1L+ (non-switched)
④
Analog-to-digital converter (ADC)
1M
Ground 1M (non-switched)
⑤
Microcontroller
2L+
Load voltage 2L+ (switched)
⑥
ET-Connection interface
2M
Ground 2M (switched)
⑦
Internal supply voltage
M
n
+
Measuring input positive, channel n
X10 bis X13 Channels 0 to 3
M
n
-
Measuring input negative, channel n
X80
Infeed of supply voltages
AI
Channel status LEDs (0, 1, 2 and 3) (green)
X81
Loop-through of supply voltages
DIAG
LED diagnostic status (red/green)
Figure 3-1
Example of voltage and thermocouple measurement
Summary of Contents for SIMATIC ET 200AL
Page 2: ......
Page 143: ......
Page 218: ......
Page 250: ......
Page 296: ......
Page 337: ......
Page 365: ......
Page 392: ......
Page 419: ......
Page 451: ......
Page 483: ......
Page 597: ......
Page 648: ......
Page 702: ......
Page 739: ......
Page 781: ......
Page 804: ......
Page 828: ......
Page 853: ......
Page 880: ......
Page 906: ......
Page 996: ...Diagnostics ...
Page 1121: ......
Page 1565: ......