Siemens SIMATIC User Manual

Digital modules
3.34 Relay output module SM 322; DO 8 x Rel. AC 230 V; (6ES7322-1HF01-0AA0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
205
Technical specifications
Voltages, currents, electrical potentials
Rated power supply L+ to the relays 24 V DC
Total current of outputs (per group)
max. 4 A
Electrical isolation
• between channels and the backplane bus
yes
• between channels
in groups of
yes
2
Maximum potential difference
• Between M
internal
and the power supply to relays and outputs
230 V AC
• Between outputs of different groups
500 V AC
Isolation test voltage
• between M
internal
and the power supply to relays
500 V DC
• between M
internal
and the power supply to relays and outputs
2000 V AC
• between outputs of different groups
2000 V AC
Current consumption
• from the backplane bus
• from power supply L+
max. 40 mA
max. 160 mA
Power loss of the module
typ. 3.2 W
Status, interrupts, diagnostics
Status display
green LED per channel
Interrupts
none
Diagnostic functions
none
Actuator selection data
Thermal current, continuous
max. 3 A
Minimum load voltage / current
10 V / 5 mA
Short circuit-proof to IEC 947-5-1
2)
With circuit-breaker, characteristics B, for:
cos Φ 1.0: 600 A
cos Φ 0.5...0.7: 900 A
With 8 A Diazed fuse: 1000 A

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)