SIPLUS S7-300 Ex digital input modules . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SIPLUS S7-300 Ex digital input modules

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Article number		6AG1321-7RD00-4AB0
		SIPLUS S7-300 SM 321 4DI NAMUR
Supply voltage
Load voltage L+
в—Џ Rated value (DC)		24 V
в—Џ Reverse polarity protection		Yes
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
в—Џ Rated value (DC)		8.2 V; from internal power circuit supply
Input current
в—Џ on wire-break, max.		0.1 mA
в—Џ on short-circuit, max.		8.5 mA
for NAMUR encoders
вЂ” for signal "0"		0.35 to 1.2 mA
вЂ” for signal "1"		2.1 to 7 mA
Input delay (for rated value of input voltage)
в—Џ Input frequency (with a time delay of 0.1 ms), max.		2 kHz
for NAMUR inputs
вЂ” Parameterizable		Yes; 0.1 / 0.5 / 3 / 15 / 20 ms (plus 0.25 ms preparation time)
Cable length
в—Џ unshielded, max.		200 m
Encoder
Connectable encoders
в—Џ NAMUR encoder		Yes; Two-wire connection
Interrupts/diagnostics/status information
Diagnostic functions		Yes
Diagnostic messages
в—Џ Diagnostic information readable		Yes
Diagnostics indication LED
в—Џ Group error SF (red)		Yes
в—Џ Status indicator digital input (green)		Yes
в—Џ Channel fault indicator F (red)		Yes
Ex(i) characteristics
Module for Ex(i) protection		Yes
Maximum values of input circuits (per channel)
в—Џ Co (permissible external capacity), max.		3 µF
в—Џ Io (short-circuit current), max.		14.1 mA
в—Џ Lo (permissible external inductivity), max.		100 mH
в—Џ Po (power of load), max.		33.7 mW
в—Џ Uo (output no-load voltage), max.		10 V
Potential separation
Potential separation digital inputs
в—Џ Potential separation digital inputs		Yes
в—Џ 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
в—Џ ATEX		No
в—Џ Test number KEMA		10 ATEX 0062X
Ambient conditions
Ambient temperature during operation
в—Џ min.		0 °C; = Tmin
в—Џ max.		60 °C; = Tmax
Ambient temperature during storage/transportation
в—Џ min.		-40 °C
в—Џ max.		70 °C
Altitude during operation relating to sea level
в—Џ Ambient air temperature-barometric pressure-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
в—Џ With condensation, tested in accordance with IEC 60068-2-38, max.		100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Resistance
Use in stationary industrial systems
вЂ” 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
вЂ” to chemically active substances according to 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!
вЂ” to mechanically active substances according to 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