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Siemens 6ES7321-1BH02-0AA0

MPN: 6ES7321-1BH02-0AA0
Category: Digital I/O Modules

€21.20excl. VAT & shipping

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What is the Siemens 6ES7321-1BH02-0AA0?

Siemens 6ES7321-1BH02-0AA0

Specifications

General information

Technical Product Detail Page	https://i.siemens.com/1P6ES7321-1BH02-0AA0
Isochronous mode	No

Supply voltage

Rated value (DC)	24 V
permissible range, lower limit (DC)	20.4 V
permissible range, upper limit (DC)	28.8 V

Input current

from backplane bus 5 V DC, max.

10 mA

Power loss

Power loss, typ.

3.5 W

Digital inputs

Number of digital inputs	16
Input characteristic curve in accordance with IEC 61131, type 1	Yes
— up to 40 °C, max.	16
— up to 60 °C, max.	16
— up to 40 °C, max.	16
Type of input voltage	DC
Rated value (DC)	24 V
for signal "0"	-30 to +5 V
for signal "1"	13 to 30V
for signal "1", typ.	7 mA
— parameterizable	No
— at "0" to "1", min.	1.2 ms
— at "0" to "1", max.	4.8 ms
— at "1" to "0", min.	1.2 ms
— at "1" to "0", max.	4.8 ms
shielded, max.	1 000 m
unshielded, max.	600 m

Encoder

2-wire sensor	Yes
— permissible quiescent current (2-wire sensor), max.	1.5 mA

Interrupts/diagnostics/status information

Alarms	No
Diagnostics function	No
Diagnostic alarm	No
Hardware interrupt	No
Status indicator digital input (green)	Yes

Potential separation

between the channels	No
between the channels, in groups of	16
between the channels and backplane bus	Yes; Optocoupler

Isolation

Isolation tested with

500 V DC

Connection method

required front connector

20-pin

Dimensions

Width	40 mm
Height	125 mm
Depth	120 mm

Weights

Weight, approx.

200 g

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 6ES7321-1BH02-0AA0PDF

6ES7321-1BH02-0AA0: frequently asked questions

Can I still buy the 6ES7321-1BH02-0AA0 now that it is discontinued?

Yes. Siemens has discontinued the 6ES7321-1BH02-0AA0, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.

When can 6ES7321-1BH02-0AA0 be shipped?

6ES7321-1BH02-0AA0 is in stock and typically ships within 1 business day via UPS, DHL or FedEx, worldwide.

Can I pick up 6ES7321-1BH02-0AA0 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 — alongside standard UPS, DHL and FedEx shipping, express (next-day) delivery is available at checkout for in-stock items like 6ES7321-1BH02-0AA0.

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 6ES7321-1BH02-0AA0, subject to availability and destination.