Wiring
3.1
Terminal and block diagram
The example in the following figure shows the pin assignment for voltage and current output
of the analog output module AQ 4xU/I 4xM12.
①
Voltage/current output as 2-wire connection
②
Voltage/current output as 4-wire connection
③
Output driver
④
Digital-to-analog converter (DAC)
⑤
Microcontroller
⑥
ET-Connection interface
⑦
Internal supply voltage
X10 to X13
Channels 0 to 3
X80
Infeed of supply voltages
X81
Loop-through of supply voltages
X30
Infeed of the ET-Connection
Figure 3-1
Terminal and block diagram for voltage and current output
Analog output module AQ 4xU/I 4xM12 (6ES7145-5ND00-0BA0)
Manual, 07/2019, A5E38687953-AB
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 actuator supply
A
QV
/QI
+ Voltage/current output positive, channel n
n
n
QV
/QI
-
Voltage/current output negative, channel n
n
n
AQ
Channel status LEDs (0, 1, 2 and 3) (green)
DIAG
Diagnostic status LED (red/green)
3
11