Siemens 6ES7321-7EH00-0AB0

Spare part ********* SIMATIC S7/PCS 7 SM 321 digital input, 16 DI; 24/125 V DC, 1 x 40-pole

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6ES7321-7EH00-0AB0
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What is the Siemens 6ES7321-7EH00-0AB0?

********** spare part ********* SIMATIC S7/PCS 7 SM 321 digital input, 16 DI; 24/125 V DC, 1 x 40-pole, connection with wire break diagnostics, hardware interrupt diagnostics

Specifications

General information

Product function — Isochronous modeNo

Supply voltage

Load voltage L+ — Rated value (DC)24 V
Load voltage L+ — permissible range, lower limit (DC)24 V
Load voltage L+ — permissible range, upper limit (DC)125 V
Load voltage L+ — Reverse polarity protectionYes

Input current

from backplane bus 5 V DC, max.90 mA

Power loss

Power loss, typ.2 W; V_in = 24 V DC

Digital inputs

Number of digital inputs16
Input characteristic curve in accordance with IEC 61131, type 1Yes
Number of simultaneously controllable inputs — horizontal installation — up to 60 °C, max.16; V_in = 100 V DC
Number of simultaneously controllable inputs — vertical installation — up to 40 °C, max.16; V_in = 100 V DC
Input voltage — Rated value (DC)24 V; 24 V DC to 125 V DC
Input voltage — for signal "0"-146 to 5V
Input voltage — for signal "1"15 to 146V
Input current — for signal "1", typ.3.5 mA
Input delay (for rated value of input voltage) — for standard inputs — parameterizableYes; 0.1 / 0.5 / 3 / 15 / 20 ms
Cable length — shielded, max.1 000 m
Cable length — unshielded, max.600 m

Encoder

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

Interrupts/diagnostics/status information

Diagnostics functionYes; Parameterizable
Alarms — Diagnostic alarmYes; Parameterizable
Alarms — Hardware interruptYes; Parameterizable
Diagnoses — Wire breakYes; I < 1 mA
Diagnostics indication LED — Group error SF (red)Yes
Diagnostics indication LED — Status indicator digital input (green)Yes

Potential separation

Potential separation digital inputs — between the channelsNo
Potential separation digital inputs — between the channels, in groups of16
Potential separation digital inputs — between the channels and backplane busYes; Optocoupler

Isolation

Isolation tested with3 500 V DC

Ambient conditions

Ambient temperature during operation — min.0 °C
Ambient temperature during operation — max.60 °C

Connection method

required front connector1x 40-pin

Dimensions

Width40 mm
Height125 mm
Depth120 mm

Weights

Weight, approx.200 g

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

6ES7321-7EH00-0AB0: frequently asked questions

When can 6ES7321-7EH00-0AB0 be shipped?

6ES7321-7EH00-0AB0 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 6ES7321-7EH00-0AB0 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 6ES7321-7EH00-0AB0 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 6ES7321-7EH00-0AB0, subject to availability and destination.

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Siemens 6ES7321-7EH00-0AB0Price and lead time confirmed within 1 business day
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