Siemens S7-300 Manual page 5

Technical specifications of the SM 321; DI 16
Dimensions and Weight
Dimensions W H D
(in millimeters)
Weight
Data for Specific Module
Supports clocked
operation
Reparameterization in RUN
mode possible
S
Behavior of non paramete-
rized inputs
Number of inputs
Length of cable
S
Unshielded
S
Shielded
Voltages, Currents, Potentials
Power rated voltage of the
electronics and sensor L+
S
Reverse polarity protection
Number of inputs that can be triggered simultaneously
S
Horizontal configuration
Up to 60 _C
S
Vertical configuration
Up to 40 _C
Isolation
S
Between channels and
backplane bus
Permitted potential difference
S
Between the different
circuits
Insulation tested with
Current consumption
S
From the backplane bus
S
From load voltage L +
(without sensor supply V
Power dissipation of the module typ. 4 W
Status, interrupts, diagnostics
Status display
S
Inputs
S
Sensor power supplies (Vs)
Interrupts
S
Hardware interrupt
S
Diagnostic interrupt
Product Information on the Manual S7-300 Module Specifications, Edition 11/2002
A5E00213444-02
40 125 117
Approx. 200 g
Yes
Yes
Supply the las valid
process value before
parameterization
16
max. 600 m
max. 1000 m
24 VDC
Yes
16
16
Yes
75 VDC / 60 VAC
500 VDC
max. 130 mA
max. 90 mA
)
S
Green LED per channel
Green LED per output
Parameters can be
assigned
Parameters can be
assigned
DC 24 V
Diagnostic functions
S
Group error display
S
Diagnostics information
read-out
Monitoring for
S
Wire break
Sensor Power Supply Outputs
Number of outputs
Output voltage
S
With load
Output current
S
Rated value
S
Permitted range
Additional (redundant) supply
Short-circuit protection
Data for Selecting a Sensor
Input voltage
S
Rated value
S
For signal "1"
S
For signal "0"
Input current
S
At signal "1"
Input characteristic curve
Connection of Two-Wire
BEROs
S
Permitted bias current
Resistor wiring of the sensor for
wire break monitoring
Time/Frequency
Internal preparation time for
status processing (in
non-clocked operation)
S
Enabling of hardware and
diagnostic interrupt
Input delay
S
Parameters can be
assigned
S
Rated value
Parameters can be
assigned
Red LED (SF)
Possible
Yes, for I < 1 mA
2
min. L+ (–2.5 V)
120 mA
0 to 150 mA
Permitted
Yes, electronic
24 VDC
13 to 30 V
From *30 to + 5 V
typ. 7 mA
According to IEC
61131, type 2
Possible
max. 2 mA
10 to 18 kOhm
max. 40 ms
Yes
typ.
0.1/0.5/3/15/20 ms
5