Siemens SIMATIC S7 System Manual page 307

Technical Specifications
Model
Diagnostics
Overflow/underflow
Short to ground (voltage mode only)
Wire break (current mode only)
24 VDC low voltage
If a voltage greater than +30 VDC or less than -15 VDC is applied to the input, the resulting value will be unknown and
1
the corresponding overflow or underflow may not be active.
Technical Specifications
Model
Order number (MLFB)
General
Dimensions W x H x D (mm)
Weight
Power dissipation
Current consumption (SM Bus)
Current consumption (24 VDC)
Analog Outputs
Number of outputs
Type
Range
Resolution
Full scale range (data word)
Accuracy (25°C / 0 to 55°C)
Settling time (95% of new value)
Load impedance
Behavior on RUN to STOP
Isolation (field side to logic)
Cable length (meters)
Diagnostics
Overflow/underflow
Short to ground (voltage mode only)
Wire break (current mode only)
24 VDC low voltage
If a voltage greater than +30 VDC or less than -15 VDC is applied to the input, the resulting value will be unknown and
1
the corresponding overflow or underflow may not be active.
S7-1200 Programmable controller
System Manual, 11/2009, A5E02486680-02
SM 1231 AI 4x13bit
Yes
1
Not applicable
Not applicable
Yes
SM 1232 AQ 2x14bit
6ES7 232-4HB30-0XB0
45 x 100 x 75
180 grams
1.5 W
80 mA
45 mA (no load)
2
Voltage or current
±10 V or 0 to 20 mA
Voltage: 14 bits ; Current: 13 bits
Voltage: -27,648 to 27,648 ; Current: 0 to 27,648
(Refer to Analog output representation for voltage and Analog output
representation for current) (Page 306)
±0.3% / ±0.6% of full scale
Voltage: 300 μS (R), 750 μS (1 uF) ; Current: 600 μS (1 mH), 2 ms (10 mH)
Voltage: ≥ 1000 Ω ; Current: ≤ 600 Ω
Last value or substitute value (default value 0)
none
100 meters twisted and shielded
Yes
Yes
Yes
Yes
A.4 Analog signal modules (SMs)
SM 1231 AI 8x13bit
Yes
1
Not applicable
Not applicable
Yes
SM 1232 AQ 4x14bit
6ES7 232-4HD30-0XB0
45 x 100 x 75
180 grams
1.5 W
80 mA
45 mA (no load)
4
Yes
Yes
Yes
Yes
Technical specifications
SM 1234 AI 4x13bit
AQ 2x14bit
Yes
1
Yes on outputs
Yes on outputs
Yes
SM 1234 AI 4x13bit
AQ 2x14bit
6ES7 234-4HE30-0XB0
45 x 100 x 75
220 grams
2.0 W
80 mA
60 mA (no load)
2
Yes
1
Yes on outputs
Yes on outputs
Yes
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