Siemens SIMATIC S7 - Page 742

Technical specifications
A.4 Analog inputs and outputs expansion modules (EMs)
S7-200 SMART
742 System Manual, V2.3, 07/2017, A5E03822230-AF
Table A- 98 Analog outputs
Technical data
EM Analog 2 x outputs (EM AQ02)
EM Analog 4 x outputs (EM AQ04)
Number of outputs
2
4
Type Voltage or current Voltage or current
Range
±10 V or 0 to 20 mA
±10 V or 0 to 20 mA
Resolution Voltage mode: 11 bits + sign bit
Current mode: 11 bits
Voltage mode: 11 bits + sign bit
Current mode: 11 bits
Full scale range (data word) Voltage: -27,648 to 27,648
Current: 0 to 27,648
Voltage: -27,648 to 27,648
Current: 0 to 27,648
(Refer to the output ranges for voltage and
current (Page 750).)
Accuracy (25 °C / 0 to 55 °C)
±0.5% / ±1.0% of full scale
±0.5% / ±1.0% of full scale
Settling time (95% of new value) Voltage: 300 μs (R), 750 μ (R), 750 μs (1
μF)
Current: 600 μs (1 mH), 2 ms (10 mH)
Voltage: 300 μs (R), 750 μ (R), 750 μs (1
μF)
Current: 600 μs (1 mH), 2 ms (10 mH)
Load impedance Voltage: ≥ 1000 Ω
Current: ≤ 500 Ω
Voltage: ≥ 1000 Ω
Current: ≤ 600 Ω
Output behavior in STOP Last value or substitute value (default
value 0)
Last value or substitute value (default value
0)
Isolation (field side to logic)
None
None
Cable length (max.), in meters
100 m twisted and shielded
100 m twisted and shielded
Table A- 99 Diagnostics
Technical data
EM Analog 2 x outputs (EM AQ02)
EM Analog 4 x outputs (EM AQ04)
Overflow/underflow
Yes
Yes
Short to ground (voltage mode
only)
Yes Yes
Wire break (current mode only)
Yes
Yes
24 V DC low voltage Yes Yes