Specifications For The Analog Outputs; Output (Aq) Measurement Ranges For Voltage And Current - Siemens SIMATIC S7-1200 Manual

A.7.5

Specifications for the analog outputs

Table A- 43 Specifications for the analog outputs (SB and SM)
Technical data
Type
Range
Resolution
Full scale range
(data word)
(See note 1)
Accuracy
(25 °C / -20 to 60 °C)
Settling time
(95% of new value)
Load impedance
Behavior on RUN to STOP
Isolation
(field side to logic)
Cable length (meters)
Diagnostics
Note 1: Refer to the output ranges for voltage and current (Page 315) for the full-scale range.
A.7.6

Output (AQ) measurement ranges for voltage and current

Table A- 44 Analog output representation for voltage (SB and SM)
System
Decimal Hexadecimal
32767 7FFF
32512 7F00
32511 7EFF
27649 6C01
27648 6C00
20736 5100
1 1
0 0
Easy Book
Manual, 03/2014, A5E02486774-AF
SB
Voltage or current
±10 V, 0 to 20 mA, or 4 to 20 mA
Voltage: 12 bits
Current: 11 bits
Voltage: -27,648 to 27,648
Current: 0 to 27,648
±0.5% / ±1% 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 m, twisted and shielded
Overflow / underflow
•
Short to ground (voltage mode only)
•
Wire break (current mode only)
•
± 10 V
See note 1
See note 1
11.76 V
10 V
7.5 V
361.7 μ V
0 V
A.7 Specifications for the analog I/O
SM
Voltage or current
±10 V, 0 to 20 mA, or 4 to 20 mA
Voltage: 14 bits
Current: 13 bits
Voltage: -27,648 to 27,648
Current: 0 to 27,648
±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 m, twisted and shielded
Overflow / underflow
•
Short to ground (voltage mode only)
•
Wire break (current mode only)
•
24 VDC low voltage
•
Voltage Output Range
Overflow
Overshoot range
Rated range
Technical specifications
315