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Siemens 6ES7321-1CH00-0AA0

***spare part*** SIMATIC S7-300, digital input SM 321, isolated, 16 DI, 24-48 V AC/DC with single-point grounding, 1x 40-pole

SiemensMFR # 6ES7321-1CH00-0AA0SKU # CEY-937FC77E5F9D

Isochronous modeNo

Rated value (DC)24 V

permissible range, lower limit (DC)24 V

permissible range, upper limit (DC)48 V

Rated value (AC)24 V

permissible range, lower limit (AC)24 V

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About This Product

***spare part*** SIMATIC S7-300, digital input SM 321, isolated, 16 DI, 24-48 V AC/DC with single-point grounding, 1x 40-pole

Siemens 6ES7321-1CH00-0AA0

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

Product function

Isochronous modeNo

Load voltage L+

Rated value (DC)24 V

permissible range, lower limit (DC)24 V

permissible range, upper limit (DC)48 V

Load voltage L1

Rated value (AC)24 V

permissible range, lower limit (AC)24 V

permissible range, upper limit (AC)48 V

Input current

from backplane bus 5 V DC, max.100 mA

Power loss

Power loss, typ.1.5 W; at 24 V; 2,8 W at 48 V

Digital inputs

Number of digital inputs16

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

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 voltageAC/DC

Rated value (DC)24 V; DC 24 or 48 V

Rated value (AC)24 V; 24 V AC or 48 V AC (0 ... 63 Hz)

for signal "0"-5V AC to +5V AC

for signal "1"14V AC to 60V AC

Input current

for signal "0", min.-1 mA

for signal "0", max. (permissible quiescent current)1 mA

for signal "1", typ.2.7 mA

for standard inputs

— parameterizableNo

— at "0" to "1", min.16 ms

— at "0" to "1", max.16 ms

— at "1" to "0", max.16 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 channelsYes

between the channels, in groups of1

between the channels and backplane busYes; Optocoupler

Isolation

Isolation tested with1 500 V AC

Connection method

required front connector40-pin

Dimensions

Width40 mm

Height125 mm

Depth120 mm

Weights

Weight, approx.260 g

Accessories 7

Genuine accessories that can be used with the Siemens 6ES7321-1CH00-0AA0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
6ES7953-8LF31-0AA0	Aksesuar · Memory card
6ES7953-8LG31-0AA0	Aksesuar · Memory card
6ES7953-8LJ31-0AA0	Aksesuar · Memory card
6ES7953-8LL31-0AA0	Aksesuar · Memory card
6ES7953-8LP31-0AA0	Aksesuar · Memory card
9LF1110-6DA13-2AB1	Servis · Service Card
9TF6276-2XA11-1AL4	Servis