Digital Output SM 322 for Siemens

SIMATIC S7-300, Digital output SM 322, isolated, 8 DO (relay), 1x 20-pole, 24 V DC, 2 A or 230 V AC, 2A

Product Details

Product Description


SIMATIC S7-300, Digital output SM 322, isolated, 8 DO (relay), 1x 20-pole, 24 V DC, 2 A or 230 V AC, 2A

Brand Name


Model Number


Net Weight (kg)

0,31 Kg

Place of Origin


Lead Time

In Stock

Packaging Dimension

12,80 x 15,00 x 5,10

Delivery Time

2-3 days


Digital output SM 322

Detailed Images


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Supply voltage

Load voltage L+

● Rated value (DC) 24 V

Input current

from supply voltage L+, max. 160 mA

from backplane bus 5 V DC, max. 40 mA

Power loss

Power loss, typ. 3.2 W

Digital outputs

Number of digital outputs 8; Relays

Switching capacity of the outputs

● on lamp load, max. 50 W

Output current

● for signal "1" rated value 2 A

● for signal "1" minimum load current 5 mA

Switching frequency

● with resistive load, max. 2 Hz

● with inductive load, max. 0.5 Hz

● on lamp load, max. 2 Hz

● mechanical, max. 10 Hz

Relay outputs

● Rated supply voltage of relay coil L+ (DC) 24 V; 110 mA

● Number of operating cycles, max. 300 000; 230 V AC: 100 000; 120 V AC: 200 000; 24 V DC: 300000 (at 2 A)

Switching capacity of contacts

— with inductive load, max. 2 A; 2 A (230 V AC), 2 A (24 V DC)

— with resistive load, max. 2 A

Cable length

● shielded, max. 1 000 m

● unshielded, max. 600 m

Interrupts/diagnostics/status information

Diagnostics function No


● Diagnostic alarm No

Diagnostic messages

● Wire-break No

● Short-circuit No

● Fuse blown No

● missing load voltage No

Diagnostics indication LED

● Rated load voltage PWR (green) No

● Fuse OK FSG (green) No

● Status indicator digital output (green) Yes

Potential separation

Potential separation digital outputs

● between the channels Yes

● between the channels, in groups of 2

● between the channels and backplane bus Yes; Optocoupler


Isolation tested with 1500 V AC

Connection method

required front connector 20-pin


Width :40 mm

Height :125 mm

Depth :120 mm


Weight, approx. :190 g

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Payment ways:

We accept TT Bank transfer , West Union ,Paypal etc.


Our team


All items new and original , 12 months warranty .

Any inquiries will be replied within 1 hour ,before we send out the goods,

we check them more than three times.


Our Company


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