Siemens SIMATIC ET 200SP F-AI 4xI 0(4) 20mA 2-/4-wire HF Series Manual page 42

Applications of the F-I/O module
5.1 Application 1: Safety mode SIL3/Cat.3/PLd with 2-wire transducer
①
②
③
④
⑤
⑥
⑦
I + Current input positive, channel n
n
I -
n
*
Figure 5-1
To achieve SIL3/Cat.3/PLd using this wiring, you must use a suitably qualified sensor.
All cables need to be laid in such a way that they are resistant to interference voltage. Use
shielded cables.
42
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 negative, channel n
Create the bridge directly at the terminal
connection.
1oo1 evaluation
WARNING
WARNING
U
V
M
M
n
L+
P1, P2,
AUX
DIAG
AI0, AI1,
AI2, AI3
F0, F1, F2,
F3
PWR
**
Analog input module F-AI 4xI 0(4)..20mA 2-/4-wire HF (6ES7136-6AA00-0CA1)
Sensor supply
Supply voltage ground
Ground reference to U , channel n
V
24 V DC (infeed only with light-
colored BaseUnit)
Internal self-assembling voltage
buses
Connection to left (dark-colored
BaseUnit)
Connection to left interrupted (light-
colored BaseUnit)
Diagnostics LED (green, red)
Channel status LED (green)
LED channel fault (red)
Power LED (green)
Measuring transducer
Manual, 08/2018, A5E41448857-AB