Siemens SIMATIC ET 200SP F-AI 4xI 0(4) 20mA 2-/4-wire HF Series Manual page 51

①
②
③
④
⑤
⑥
⑦
I +
n
I -
n
*
Figure 5-4
To achieve SIL3/Cat.4/PLe using this wiring, you must use suitably qualified sensors.
All cables need to be laid in such a way that they are resistant to interference voltage. Use
shielded cables.
Analog input module F-AI 4xI 0(4)..20mA 2-/4-wire HF (6ES7136-6AA00-0CA1)
Manual, 08/2018, A5E41448857-AB
5.4 Application 4: Safety mode SIL3/Cat.4/PLe with 4-wire transducer
Backplane bus interface
Analog-to-digital converter (ADC)
Sensor supply/reverse polarity protection
Temperature measurement for BU type A1
only (the function cannot be used for this
module.)
Color-coded label with color code CC00
(optional)
Filter connection supply voltage (available
with light-colored BaseUnit only)
External fuse
Current input positive, channel n
Current input negative, channel n
Measuring transducer
1oo2 evaluation
WARNING
WARNING
Applications of the F-I/O module
U Sensor supply
V
M Supply voltage ground
M Ground reference to U
n
L+ 24 V DC (infeed only with light-
colored BaseUnit)
P1, P2, Internal self-assembling voltage
AUX buses
Connection to left (dark-colored
BaseUnit)
Connection to left interrupted (light-
colored BaseUnit)
DIAG Diagnostics LED (green, red)
AI0, AI1, Channel status LED (green)
AI2, AI3
F0, F1, F2, LED channel fault (red)
F3
PWR Power LED (green)
, channel n
V
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