Siemens Simatic S7-300 - Page 145

Digital Modules
3-61
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 322; DO 16 x 24/48 VUC
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 260 g
Data for Specific Module
Supports clocked
operation
No
Number of outputs 16
Length of cable
• Unshielded
• Shielded
max. 600 m
max. 1000 m
Voltages, Currents, Potentials
Power rated voltage of the
electronics L+
24 VDC
• Reverse polarity
protection
• Power failure
jumpering
Yes
min. 5 ms
Total current of the outputs
(per group)
• Horizontal configuration
Up to 60° C
max. 0.5 A
• All other mounting
positions
Up to 40° C
max. 0.5 A
Total current of the outputs (per
module)
• Horizontal configuration
Up to 60° C
max. 8 A
• All other mounting
positions
Up to 40° C
max. 8 A
Isolation
• Between channels and
backplane bus
Yes
• Between channels and
power supply of the
electronics
Yes
• Between channels
In groups of
Yes
1
Permitted potential difference
• Between channels and
backplane bus
170 VDC, 120 VAC
• Between channels and
power supply of the
electronics
170 VDC, 120 VAC
• Between the outputs of
the different groups
170 VDC, 120 VAC
Insulation tested with
• Between channels and
backplane bus
1500 VAC
• Between channels and
power supply of the
electronics
1500 VAC
• Between the outputs of
the different groups
1500 VAC
Current consumption
• From the backplane bus
• From supply
voltage L+
max. 100 mA
max. 200 mA
Power dissipation of the module typ. 2.8 W
Status, Interrupts, Diagnostics
Status display Green LEDs per
channel
Diagnostic functions
• Group error display
Red LED (SF)
Interrupts
• Diagnostic interrupt
• Diagnostics information
read-out
Parameters can be
assigned
Possible
Data for Selecting an Actuator
Output voltage
• At signal “1”
min. L+ (–0.25 V)
Output current
• At signal “1”
rated value
permissible surge
current (per group)
• For “0” signal
(leakage current)
0.5 A
max. 1.5 A
(max. 50 ms)
max. 10 uA
Output delay (for resistive load)
• From “ 0” to “1”
• At “1” to “0”
max. 6 ms
max. 3 ms
External fuse for relay outputs Fuse,
I
2 t
: 1 A
2
s,
quick-acting*
Lamp load max. 2.5 W
Contact circuit (internal) parallel
switching of 2 outputs
Varistor, 85 V
• For redundant triggering
of a load
• To increase
performance
Possible
Not possible