Siemens S5-135U/155U Manual De Usuario
9-23
System Manual
C79000-G8576-C199-06
C79000-G8576-C199-06
9.3.13
Connecting Transducers
Two-wire transducer (short-circuit protected supply voltage via the range
card of the analog input module)
card of the analog input module)
A
D
Analog Input Module
MUX
M–
0 V Bus
M+
+
–
4...20 mA
L+
L–
#
Range
Card for
4 Inputs
4 Inputs
6ES5-498-
-1AA51
Four-wire transducer (with separate supply voltage)
A
D
Analog Input Module
MUX
M–
0 V Bus
M+
+
–
+4...20 mA
230 V AC
Do not exceed max. permissible potential difference!
#
6ES5-498-
-1AA71
Range
Card for
4 Inputs
4 Inputs
Four-wire transducer with a two-wire transducer card
A
D
Analog Input Module
MUX
M–
0 V Bus
M+
+
–
0...20 mA
230 V AC
L+ L–
L– (0 V
ext
)
#
6ES5-498-
-1AA71
Range
Card for
4 Inputs
4 Inputs
Analog Input/Output Modules