Digital modules
3.29 Relay output module SM 322; DO 8 x Rel. AC 230 V; (6ES7322-1HF01-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-99
Technical data
Voltages, currents, electrical potentials
Rated power supply L+ to the relays 24 VDC
Cumulative current of outputs (per group) max. 4 A
Electrical isolation
• between channels and the backplane bus
Yes
• between channels
in groups of
Yes
2
Permissible potential difference
• between M
internal
and the power supply to relays
75 VDC / 60 VAC
• between M
internal
and the power supply to relays and outputs
230 VAC
• between outputs of different groups
500 VAC
Isolation test voltage
• between M
internal
and the power supply to relays
500 VDC
• between M
internal
and the power supply to relays and outputs
2000 VAC
• between outputs of different groups
2000 VAC
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
Diagnostics 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
Switching capacity and service life of contacts
• with resistive load
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