About SIEMENS PLC SM322 6ES7322-5HF00-0AB0

The Siemens PLC SM322 6ES7322-5HF00-0AB0 is a high-quality PLC suitable for various industrial applications. With a 1-year warranty, this new PLC weighs 320g and features a sleek grey color finish. Operating at voltages ranging from 120-230V, this electric-powered device comes in a standard size. It is ideal for exporters, manufacturers, suppliers, and traders looking for a reliable and efficient PLC solution.

Siemens SIMATIC S7-300 SM 322 Digital Output Module

Product Type: SM 322 Digital Output Module
Number of Outputs: 8 DO (Relay, isolated)
Output Type: Relay (24 V DC / 120230 V AC)
Overvoltage Protection: RC filter

Supply & Power

• Load Voltage L+: 24 V DC (Permissible: 24120 V DC)

• Load Voltage L1: 230 V AC

• Input Current:

  • From L+: Max. 160 mA

  • From Backplane Bus (5 V DC): Max. 100 mA

• Power Loss (typical): 3.5 W

Digital Outputs

• Number of Outputs: 8 (Relays)

• Short-Circuit Protection: Not included; external protection required

• Controlling a Digital Input: Yes

Switching Capacity:

• Lamp Load: Max. 1,500 W (230 V AC)

• Low Energy / Fluorescent Lamps: 10 58 W

• Fluorescent Tubes (Conventional): 1 58 W

• Fluorescent Tubes (Uncompensated): 10 58 W

Output Current:

• Rated: 5 A

• Minimum Load: 10 mA

Parallel Switching:

• Not allowed for uprating

• Allowed for redundant control of a load

Switching Frequency:

• Resistive Load: Max. 2 Hz

• Inductive Load: Max. 0.5 Hz

• Lamp Load: Max. 2 Hz

• Mechanical: Max. 10 Hz

Total Output Current (per group):

• Horizontal installation up to 60 C: Max. 5 A

• Vertical installation up to 40 C: Max. 5 A

Relay Outputs

• Contact Connection (internal): Yes; 330 , 0.1 F

• Number of Operating Cycles (max): 100,000 (24 V DC / 230 V AC at 5 A)

• Switching Capacity of Contacts: Max. 5 A (Resistive / Inductive)

• Thermal Continuous Current: Max. 5 A

Cabling

• Max Cable Length (Shielded): 1,000 m

• Max Cable Length (Unshielded): 600 m

Diagnostics & Status

• Alarms: Yes, parameterizable

• Diagnostics: Readable / Parameterizable

• LED Indicators:

  • Group Error SF (Red)

  • Status Output (Green)

Isolation & Safety

• Channel-to-Channel Separation: Yes (grouped in 1s)

• Channel-to-Backplane Bus Separation: Yes (Optocoupler)

• Channel-to-Relay Power Supply Separation: Yes

• Tested Isolation Voltage: 1,500 V AC

Mechanical Data

• Required Connector: Front 40-pin

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

• Weight: ~320 g 

Technical Details