| SIPLUS S7-300 SM 326F DI24 40-pole -25...+60°C (70°C with forced convection) with conformal coating based on 6ES7326-1BK02-0AB0 . Digital input F-DI 24x24 V DC Fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm |
Supply voltage |
Rated value (DC) | 24 V |
Input current |
from load voltage L+ (without load), max. | 450 mA |
from backplane bus 5 V DC, max. | 100 mA |
Encoder supply |
Number of outputs | 4; Isolated |
Output current |
Rated value | 400 mA |
Power loss |
Power loss, typ. | 10 W |
Digital inputs |
Number of digital inputs | 24 |
Number of simultaneously controllable inputs |
all mounting positions |
— up to 40 °C, max. | 24 |
— up to 60 °C, max. | 24; (at 24 V) or 18 (at 28.8 V) |
Input voltage |
Type of input voltage | DC |
Rated value (DC) | 24 V |
for signal "0" | -30 to +5V |
for signal "1" | +11 to +30V |
Input current |
for signal "0", max. (permissible quiescent current) | 2 mA |
for signal "1", typ. | 10 mA |
Input delay (for rated value of input voltage) |
for standard inputs |
— at "0" to "1", max. | 3.4 ms |
— at "1" to "0", max. | 3.4 ms |
Cable length |
shielded, max. | 200 m |
unshielded, max. | 100 m |
Encoder |
Connectable encoders |
2-wire sensor | Yes; if short-circuit test is deactivated |
— permissible quiescent current (2-wire sensor), max. | 2 mA |
Interrupts/diagnostics/status information |
Diagnostics function | Yes |
Alarms |
Diagnostic alarm | Yes |
Diagnostic messages |
Diagnostic information readable | Yes |
Diagnostics indication LED |
Fail-safe operation | Yes |
Group error SF (red) | Yes |
Ex(i) characteristics |
Maximum values of input circuits (per channel) |
Ta (permissible ambient temperature), max. | 60 °C |
Potential separation |
Potential separation digital inputs |
between the channels | Yes |
between the channels, in groups of | 12 |
between the channels and backplane bus | Yes |
Isolation |
Isolation tested with | 500 V DC/350 V AC |
Standards, approvals, certificates |
CE mark | Yes |
UL approval | Yes; File E239877 |
RCM (formerly C-TICK) | Yes |
KC approval | Yes |
EAC (formerly Gost-R) | Yes |
Highest safety class achievable in safety mode |
acc. to DIN VDE 0801 | AK 6 |
acc. to EN 954 | Cat. 4 |
SIL acc. to IEC 61508 | SIL 3 |
Ambient conditions |
Ambient temperature during operation |
min. | -25 °C; = Tmin |
max. | 60 °C; = Tmax; *+70 °C where forced convection with a minimum air velocity of 0.7 m/s through the modules and rated voltage of 24 V ±5 % are ensured. If in the course of maintenance or automatic diagnosis it is determined that the admissible specified parameters have been exceeded, the modules should be subjected to a proof test (function check) by the manufacturer. |
Altitude during operation relating to sea level |
Installation altitude above sea level, max. | 2 000 m |
Ambient air temperature-barometric pressure-altitude | Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) |
Relative humidity |
With condensation, tested in accordance with IEC 60068-2-38, max. | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
Resistance |
Use in stationary industrial systems |
— to biologically active substances according to EN 60721-3-3 | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request |
— to chemically active substances according to EN 60721-3-3 | Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
— to mechanically active substances according to EN 60721-3-3 | Yes; Class 3S4 incl. sand, dust, * |
Use on ships/at sea |
— to biologically active substances according to EN 60721-3-6 | Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request |
— to chemically active substances according to EN 60721-3-6 | Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); * |
— to mechanically active substances according to EN 60721-3-6 | Yes; Class 6S3 incl. sand, dust; * |
Remark |
— Note regarding classification of environmental conditions acc. to EN 60721 | * The supplied plug covers must remain in place over the unused interfaces during operation! |
Connection method |
required front connector | 40-pin |
Dimensions |
Width | 80 mm |
Height | 125 mm |
Depth | 120 mm |
Weights |
Weight, approx. | 442 g |
last modified: | 03/13/2019 |