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Siemens 6AG1321-1CH20-2AA0

***spare part*** SIPLUS S7-300 SM 321 based on 6ES7321-1CH20-0AA0 with conformal coating, -25…+70 °C, digital input isolated 16 DI, 48-125 V DC, 1x 20-pole

SiemensMFR # 6AG1321-1CH20-2AA0SKU # CEY-8EF3B0388725

based on6ES7321-1CH20-0AA0

Isochronous modeNo

Rated value (DC)48 V

permissible range, lower limit (DC)48 V

permissible range, upper limit (DC)125 V

from backplane bus 5 V DC, max.40 mA

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About This Product

***spare part*** SIPLUS S7-300 SM 321 based on 6ES7321-1CH20-0AA0 with conformal coating, -25…+70 °C, digital input isolated 16 DI, 48-125 V DC, 1x 20-pole

Siemens 6AG1321-1CH20-2AA0

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Specifications

General information

based on6ES7321-1CH20-0AA0

Product function

Isochronous modeNo

Load voltage L+

Rated value (DC)48 V

permissible range, lower limit (DC)48 V

permissible range, upper limit (DC)125 V

Input current

from backplane bus 5 V DC, max.40 mA

Power loss

Power loss, typ.4.3 W

Digital inputs

Number of digital inputs16

Input characteristic curve in accordance with IEC 61131, type 1Yes

all mounting positions

— up to 60 °C, max.8; 6 @ Ue 146 V

— up to 70 °C, max.6; 4 @ Ue 146 V

horizontal installation

— up to 50 °C, max.8

— up to 60 °C, max.8; 6 to Ue 146 V

Input voltage

Type of input voltageDC

Rated value (DC)48 V; 48 V DC to 125 V DC

for signal "0"-146 V DC to +15 V DC

for signal "1"30 V DC to 146 V DC

Input current

for signal "1", typ.3.5 mA

for standard inputs

— parameterizableNo

— at "0" to "1", min.0.1 ms

— at "0" to "1", max.3.5 ms

— at "1" to "0", min.0.7 ms

— at "1" to "0", max.3 ms

Cable length

shielded, max.1 000 m

unshielded, max.600 m

Connectable encoders

2-wire sensorYes

— permissible quiescent current (2-wire sensor), max.1 mA

Interrupts/diagnostics/status information

AlarmsNo

Diagnostics functionNo

Alarms

Diagnostic alarmNo

Hardware interruptNo

Diagnostics indication LED

Group error SF (red)No

Status indicator digital input (green)Yes

Potential separation digital inputs

between the channelsNo

between the channels, in groups of8

between the channels and backplane busYes; Optocoupler

Isolation

Isolation tested with1 500 V DC

Standards, approvals, certificates

CE markYes

UL approvalYes; File E239877

RCM (formerly C-TICK)Yes

KC approvalYes

EAC (formerly Gost-R)Yes

Railway application

EN 50155Yes; Sections 4, 5 and 12; no further agreements apply; T1, Category 1, Class A/B, EN 50155:2007 (see SIOS entry 109755985)

Ambient temperature during operation

min.-25 °C; = Tmin

max.70 °C; = Tmax; for use on railway vehicles according to EN50155, the rated temperature range -25 ... +55 °C (T1) or 60 °C @ UL/ULhaz/ATEX/FM use applies

Ambient temperature during storage/transportation

min.-40 °C

max.70 °C

Altitude during operation relating to sea level

Installation altitude above sea level, max.2 000 m

Ambient air temperature-barometric pressure-altitudeTmin ... 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)

Use in stationary industrial systems

— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request

— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *

Use on land craft, rail vehicles and special-purpose vehicles

— to biologically active substances according to EN 60721-3-5Yes; Class 5B2 mold, fungus and dry rot spores (with the exception of fauna); Class 5B3 on request

— to chemically active substances according to EN 60721-3-5Yes; Class 5C3 (RH < 75 %) incl. salt spray acc. to EN 50155 (ST2); *

— to mechanically active substances according to EN 60721-3-5Yes; Class 5S3 incl. sand, dust; *

Use on ships/at sea

— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request

— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *

Usage in industrial process technology

— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)

— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)

Remark

— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!

Connection method

required front connector20-pin

Dimensions

Width40 mm

Height125 mm

Depth120 mm

Weights

Weight, approx.200 g