Siemens SIMATIC S7-300 Module data Reference Manual

Analog Modules
4-190
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 334; AI 4/AO 2 x 8/8 bits
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 285 g
Data for Specific Module
Supports clocked
operation
No
Number of inputs 4
Number of outputs 2
Length of cable
• Shielded max. 200 m
Voltages, Currents, Potentials
Rated load voltage L + 24 VDC
Power rated voltage of the rated
electronics voltage and rated
load voltage L+
24 VDC
Isolation
• Between channels and
backplane bus
No
• Between channels and
power supply of the
electronics
Yes
Between the channels No
Permitted potential difference
• Between inputs and M
ANA
(U
CM
)
1 VDC
• Between the inputs (ECM) 1 VDC
Insulation tested with 500 VDC
Current consumption
• From the backplane bus max. 55 mA
• From power supply and
load voltage L+ (no load)
max. 110 mA
Power dissipation of the module typ. 3 W
Analog Value Generation for the Inputs
Measuring principle Instantaneous value
conversion
Integration/conversion time (per
channel)
• Parameters can be
assigned
No
• Integration time in
milliseconds
500
• Basic conversion time
including Integration time in
milliseconds
100
• Resolution including sign 8 bits
Time constant of the input
filter
max. 0.8 ms
Basic execution time of the
module (all channels enabled)
max. 5 ms
Analog Value Generation for the Outputs
Resolution including sign 8 bits
Conversion time (per channel) max. 500 s
Settling time
• For resistive load
• For capacitive load
• For inductive load
0.3 ms
3.0 ms
0.3 ms
Suppression of interference, Limits of Error for the
Inputs
Noise suppression for f = n (f1 " 1 %)
(f1 = interference frequency)
• Common-mode
interference (U
pp
< 1 V)
> 60 dB
Crosstalk between the outputs > 50 dB
Operational limit (in the entire temperature range, with
reference to the input range)
• Voltage input
• Current input
" 0.9 %
" 0.8 %
Basic error (operational limit at 25° C, referred to input
range)
• Voltage input
• Current input
" 0.7 %
" 0.6 %
Temperature error (with
reference to the input range)
" 0.005 %/K
Linearity error (with reference to
the input range)
" 0.05 %
Repeatability (in steady state at
25 C referred to input range)
" 0.05 %
Output ripple; range 0 to 50 kHz
(referred to output range)
" 0.05 %

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)