Digital modules
3.28 Relay output module SM 322; DO 16 x Rel. AC 120/230 V; (6ES7322-1HH01-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-95
Technical data of SM 322; DO 16 x Rel. AC 120/230 V
Technical data
Dimensions and weight
Dimensions W x H x D (mm) 40 x 125 x 117
Weight approx. 250 g
Module-specific data
Isochronous mode supported No
Number of outputs 16
Cable length
• unshielded
• shielded
max. 600 m
max. 1000 m
Voltages, currents, electrical potentials
Rated power supply L+ to the relays 24 VDC
Cumulative current of outputs (per group) max. 8 A
Electrical isolation
• between channels and the backplane bus
Yes
• between channels
in groups of
Yes
8
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
1500 VAC
• between outputs of different groups
2000 VAC
Current consumption
• from the backplane bus
• from power supply L+
max. 100 mA
max. 250 mA
Power loss of the module typ. 4.5 W
Status, interrupts, diagnostics
Status display green LED per channel
Interrupts None
Diagnostics functions None
Actuator selection data
Thermal current, continuous max. 2 A
Minimum load voltage / current 10 V / 10 mA
Short-circuit current to IEC 947-5-1 200 A, with B10/B16 circuit breaker
Switching capacity and service life of contacts
• with resistive load