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SIPLUS S7-300 Ex digital input modules

Article number		6AG1321-7RD00-4AB0
		SIPLUS S7-300 SM 321 4DI NAMUR
Supply voltage
Load voltage L+
? Rated value (DC)		24 V
Input current
from load voltage L+ (without load), max.		50 mA
from backplane bus 5 V DC, max.		80 mA
Encoder supply
Type of output voltage		via the inputs
Power loss
Power loss, typ.		1.1 W
Digital inputs
Number of NAMUR inputs		4
Input voltage
? Rated value (DC)		8.2 V; from internal power circuit supply
Input current
? on wire-break, max.		0.1 mA
? on short-circuit, max.		8.5 mA
for NAMUR encoders
— for signal "0"		0.35 to 1.2 mA
— for signal "1"		2.1 to 7 mA
Input delay (for rated value of input voltage)
? Input frequency (with a time delay of 0.1 ms), max.		2 kHz
for NAMUR inputs
— Parameterizable		Yes; 0.1 / 0.5 / 3 / 15 / 20 ms (plus 0.25 ms preparation time)
Cable length
? unshielded, max.		200 m
Encoder
Connectable encoders
? NAMUR encoder		Yes; Two-wire connection
Interrupts/diagnostics/status information
Diagnostic messages
? Diagnostic information readable		Yes
Ex(i) characteristics
Maximum values of input circuits (per channel)
? Co (permissible external capacity), max.		3 µF
? Io (short-circuit current), max.		14.1 mA
? Lo (permissible external inductivity), max.		100 mH
? Po (power of load), max.		33.7 mW
? Uo (output no-load voltage), max.		10 V
Potential separation
Potential separation digital inputs
? Potential separation digital inputs		Yes
? between the channels, in groups of		1
Standards, approvals, certificates
CE mark		Yes
UL approval		Yes; File E239877
FM approval		Yes; CofC 3028431
RCM (formerly C-TICK)		Yes
KC approval		Yes
EAC (formerly Gost-R)		Yes
Use in hazardous areas
? ATEX		No
? Test number KEMA		10 ATEX 0062X
Ambient conditions
Ambient temperature during operation
? min.		0 °C; = Tmin
? max.		60 °C; = Tmax
Ambient temperature during storage/transportation
? min.		-40 °C
? max.		70 °C
Extended ambient conditions
? relative to ambient temperature-atmospheric pressure-installation altitude		Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m)
Relative humidity
— With condensation, tested in accordance with IEC 60068-2-38, max.		100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Resistance
— against biologically active substances / conformity with EN 60721-3-3		Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation!
— against chemically active substances / conformity with EN 60721-3-3		Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation!
— against mechanically active substances / conformity with EN 60721-3-3		Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation!
Connection method
required front connector		20-pin
Weights
Weight, approx.		230 g

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