Profibus Connector

Jul 4 2013

6ES7321-1BH02-0AA0 Siemens Digital input module

Introduction to 6ES7321-1BH02-0AA0

SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16DI, 24 V DC, 1 X 20 PIN

Order number: "SIPLUS S7-300 module"
6AG1321-1BH02-2AA0
Properties
Properties of SM 321; DI 16 x DC 24 V:
● 16 inputs, electrically isolated in groups of 16
● Rated input voltage 24 VDC
● suitable for switches and 2- /3-/4-wire proximity switches (BEROs)

Wiring and block diagrams of SM 321; DI 16 x DC 24 V

Technical specifications of 6ES7321-1BH02-0AA0

	SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16DI, 24 V DC, 1 X 20 PIN

Supply voltage
Load voltage L+
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 losses
Power loss, typ.	3.5 W
Digital inputs
Number/binary inputs	16
Input characteristic curve acc. to IEC 61131, Type 1	Yes
Number of simultaneously controllable inputs
horizontal installation
up to 40 °C, max.	16
up to 60 °C, max.	16
vertical installation
up to 40 °C, max.	16
Input voltage
Type of input voltage	DC
Rated value, DC	24 V
for signal "0"	-30 to +5 V
for signal "1"	13 to 30 V
Input current
for signal "1", typ.	7 mA
Input delay (for rated value of input voltage)
for standard inputs
Parameterizable	No
at "0" to "1", min.	1.2 ms
at "0" to "1", max.	4.8 ms
Cable length
Cable length, shielded, max.	1000 m
Cable length unshielded, max.	600 m
Encoder
Connectable encoders
2-wire sensor	Yes
Permissible quiescent current (2-wire sensor), max.	1.5 mA
Isochronous mode
Isochronous operation (application synchronized up to terminal)	No
Interrupts/diagnostics/status information
Alarms
Alarms	No
Diagnostic alarm	No
Hardware interrupt	No
Diagnostic messages
Diagnostic functions	No
Diagnostics indication LED
Status indicator digital input (green)	Yes
Galvanic isolation
Galvanic isolation digital inputs
between the channels	No
between the channels, in groups of	16
between the channels and the backplane bus	Yes; Optocoupler
Permissible potential difference
between different circuits	75 VDC / 60 VAC
Isolation
Isolation checked with	500 V DC
Connection method
required front connector	20-pin
Dimensions
Width	40 mm
Height	125 mm
Depth	120 mm
Weight
Weight, approx.	200 g

USER'S manual PDF of 321-1BH02, please refer from Page 79- Page 82:

S7-300 Modules data & USER'S MANUAL

Our company (Kollewin Technology CO., Limited) have a new product,

named 6ES7321-1BH02-0AA0,

it is 100% compatible with Siemens original part.

Part#: 6ES7321-1BH02-0AA0

Unit price:USD95.00/pc
Description: S7-300 Digital input module
Manufacturer: Kollewin
Approx. Weight: 0.3 Kg
Warranty: 1 year
Origin: China

Here, you need 1 piece of 40pin front connector to connect with 6ES7321-1BH02-0AA0.

Our compatible 6ES7 392-1AM00-0AA0 can meet your requirements.

6ES7 392-1AM00-0AA0 @USD16.90/pc

Technical data sheet of our SM 321 6ES7321-1BH02-0AA0

Model	SM321 Number of digital inputs:32
Product Description	32DI 24V DC, High immunity
Power consumption
·From bus current consumption	50mA
·Power loss	6.5W
Number of digital inputs	32
Cable Length (Shielded)	1,000m
Cable Length (unshielded)	600m
Input voltage
·Rate value	24V DC
·For ”0” signal	-30~5V DC
·For ”1” signal	13~30V DC
·Frequency range	/
Input current	7mA
Input delay
·From “0” to “1”,Min	1.2~4.8ms
·From “1” to “0”,Min	1.2~4.8ms
Front connector	40-pin
Input type	NPN
Connection of 2-wire BERO sensor	Yes
Permissible quiescent current	1.5mA
Isolation tested for contact
·Between channel and backplane bus	Yes
·Per group between channels	Yes
The status indicates	Green LED each channel
Dimensions(WxHx D)(mm)	40×125×120
Order Number	321-1BL00-0AA0

Pictures of 6ES7321-1BH02-0AA0

More compatible Siemens S7-200/300 modules we can offer：

Model	Product Description
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SM7-300 ANALOG MODULE
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