Siemens SIMATIC S7-300 Module data - Page 371

Analog Modules
4-165
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 332; AO 8 x 12 bits
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 272 g
Data for Specific Module
Supports clocked
operation
No
Number of inputs 8
Length of cable
• Shielded max. 200 m
Voltages, Currents, Potentials
Rated load voltage L+
• Reverse polarity protection
Isolation
• Between channels and
backplane bus
• Between channels and
power supply of the
electronics
• Between the channels
• Between channels and load
voltage L+
Permitted potential difference
• Between S– and M
ANA
(U
CM
)
• Between M
ANA
and
M
internal
(U
ISO
)
24 VDC
Yes
Yes
Yes
No
Yes
3 VDC
75 VDC / 60 VAC
Insulation tested with 500 VDC
Current consumption
• From the backplane bus max. 100 mA
• From supply voltage L+ (no
load)
max. 340 mA
Power dissipation of the module typically 6.0 W
Analog value generation
• Resolution including sign
• ± 10 V; ± 20 mA;
4 to 20 mA; 1 to 5 V
• 0 to 10 V; 0 to 20 mA;
• Conversion time (per channel)
Settling time
• For resistive load
• For capacitive load
• For inductive load
11 bits +
sign
12 bits
max. 0.8 ms
0.2 ms
3.3 ms
0.5 ms (1 mH)
3.3 ms (10 mH)
Suppression of interference, Limits of Error
• Crosstalk between the
outputs
> 40 dB
Operational limit (in the entire temperature range, with
reference to the output range)
• Voltage outputs ±0.5 %
• Current outputs ±0.6 %
Basic error (operational limit at 25 °C referred to the
output range)
• Output voltage
• Output current
± 0.4 %
± 0.5 %
• Temperature error (with
reference to the output
range)
±0.002 % /K
• Linearity error (with
reference to the output
range)
+ 0.05 %
• Repeat accuracy (in the
steady state at 25°C,
referred to the output
range)
±0.05 %
• Output ripple; band
width 0 to 50 kHz (with
reference to the output
range)
± 0.05 %