Connecting 2-Wire Measurement Transducers To The Analog Inputs; Wiring Of 4-Wire Measurement Transducers To The Analog Inputs - Siemens SIMATIC S7-300 Series Reference Manual

Wiring the Analog Inputs
L +
1 L+
AI
U
AI
I
AI_
M
ANA
Figure 1-14 Connecting 2-wire measurement transducers to the analog inputs of CPU 314 IFM
1 L+
AI
U
AI
I
AI_
AI
U
AI
I
AI_
M
ANA
Figure 1-15 Wiring of 4-wire measurement transducers to the analog inputs of CPU 314 IFM
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
2-wire
measurement
transducer
AI_ and M - we recommend to jumper
ANA
them.
M
Shielded cables
M
Unwired channel groups:
Connect AI_ with M
When using 4-wire measurement transducers,
we recommend you interconnect AI_ and M
L + M
4-wire
measurement
transducer
.
ANA
CPUs
.
ANA
1-59