Siemens SIMATIC S7-300 Reference Manual page 286
Programmable logic controllers module data
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Also See for SIMATIC S7-300:
- Manual (676 pages) ,
- Installation and operating manual (356 pages) ,
- Hardware and installation manual (256 pages)
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Analog Modules
Suppression of interference, Limits of Error
Noise suppression for f = n
(f1 = interference frequency); n= 1, 2, ...
•
Common-mode noise
(U
< 50 V)
cm
•
Series-mode
interference (peak
value of interference
< rated value of input
range)
Crosstalk between the inputs
Operational limit (over entire
temperature range, referred
to input range)
•
Voltage input
•
Current input
Basic error (operational limit at 25° C referred to input
range)
•
Voltage input
•
Current input
Temperature error (with
reference to the input range)
Linearity error (with reference
to the input range)
Repeat accuracy (in the
steady state at 25°C, referred
to the input range)
4-80
(f1 ± 1%),
> 100 dB
> 90 dB
> 100 dB
U
= 0 / U
= ±50 V
CM
CM
±0.1% / ± 0.7%
±0.3% / ± 0.9%
±0.05%
±0.05%
±0.005%/K
±0.03%
±0.025%
Status, Interrupts, Diagnostics
Interrupts
•
Hardware interrupt when
limit has been exceeded
•
Diagnostic interrupt
Diagnostic functions
•
Group error display
•
Diagnostics information
read-out
Data for Selecting a Sensor
Input range (rated values)/Input resistance
•
Voltage
•
Current
Maximum input voltage for
voltage input (destruction
limit)
Maximum input current for
current input (destruction
limit)
Connection of the sensor
•
For measuring voltage
•
For measuring current
As two-wire transmitter
As four-wire transmitter
•
Load of the two-wire
transmitter
Programmable Logic Controllers S7-300 Module Data
Programmable
channels 0 and 2
Programmable
Programmable
Red LED (SF)
Possible
± 5 V
/ 2MΩ
1 to 5 V
/ 2MΩ
± 10 V
/ 2MΩ
0 to 20 mA;
/ 250 Ω
± 20 mA
/ 250 Ω
4 to 20 mA:
/ 250 Ω
max. 50 V continuous
max. 32 mA
Possible
Possible with separate
supply for the transmitter
Possible
max. 820 Ω
A5E00105505-03
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