 |
SIMATIC S7, ANALOG INPUT SM336, 6 AI; 14 BIT; 40 PIN, FAILSAFE ANALOG INPUTS FOR SIMATIC S7F SYSTEMS WITH DIAGNOST. INTERRUPT |
Supply voltage |
Load voltage L+ |
● Rated value (DC) |
24 V |
● Reverse polarity protection |
Yes |
Input current |
from backplane bus 5 V DC, max. |
90 mA |
from supply voltage L+, max. |
160 mA; Typical |
Power losses |
Power loss, typ. |
4.25 W |
Analog inputs |
Number of analog inputs |
6 |
Number of analog inputs for voltage measurement |
4 |
permissible input voltage for voltage input (destruction limit), max. |
30 V |
permissible input current for current input (destruction limit), max. |
40 mA |
Input ranges |
● Voltage |
Yes |
● Current |
Yes |
Input ranges (rated values), voltages |
● 0 to +10 V |
Yes |
● Input resistance (0 to 10 V) |
59 kΩ |
Input ranges (rated values), currents |
● 0 to 20 mA |
Yes |
● Input resistance (0 to 20 mA) |
107 Ω |
● 4 to 20 mA |
Yes |
● Input resistance (4 to 20 mA) |
107 Ω |
Cable length |
● Cable length, shielded, max. |
200 m |
Analog value creation |
Integration and conversion time/resolution per channel |
● Resolution with overrange (bit including sign), max. |
14 bit |
● Integration time, ms |
20 ms (at 50 Hz); 16.66 ms (at 60 Hz) |
● Interference voltage suppression for interference frequency f1 in Hz |
38 dB |
Encoder |
Connection of signal encoders |
● for current measurement as 2-wire transducer |
Yes |
● for current measurement as 4-wire transducer |
Yes |
Errors/accuracies |
Operational limit in overall temperature range |
● Voltage, relative to input area, (+/-) |
0.48 % |
● Current, relative to input area, (+/-) |
0.48 % |
Basic error limit (operational limit at 25 °C) |
● Voltage, relative to input area, (+/-) |
0.4 % |
● Current, relative to input area, (+/-) |
0.4 % |
Interrupts/diagnostics/status information |
Alarms |
● Diagnostic alarm |
Yes; Parameterizable |
Diagnostic messages |
● Diagnostic functions |
Yes |
● Diagnostic information readable |
Yes |
Diagnostics indication LED |
● Fail-safe operation |
Yes |
● Group error SF (red) |
Yes |
● Monitoring 24 V voltage supply ON (green) |
Yes; Encoder supply |
Galvanic isolation |
Galvanic isolation analog inputs |
● between the channels |
No |
● between the channels and the backplane bus |
Yes |
● between the channels and the power supply of the electronics |
Yes; only if sensors are externally supplied |
Isolation |
Isolation checked with |
500V DC/350V AC |
Standards, approvals, certificates |
Highest safety class achievable in safety mode |
● acc. to DIN V 19250 |
AK 6 |
● acc. to EN 954 |
Cat. 4 |
● acc. to IEC 61508 |
SIL 3 |
Connection method |
required front connector |
40-pin |
Dimensions |
Width |
80 mm |
Height |
125 mm |
Depth |
120 mm |
Weights |
Weight, approx. |
480 g |
last modified: |
08.09.2014 |