Technical specifications
A.5 Analog signal modules
Easy Book
114 Manual, 05/2009, A5E02486774-01
Analog outputs Description
Type of outputs Voltage or current
Range ±10 V or 0 to 20 mA
Resolution Voltage: 14 bits
Current: 13 bits
Full scale range (data word)
1
Voltage: -27,648 to 27,648
Current: 0 to 27,648
Accuracy (25°C / 0 to 55°C) ±0.3% / ±0.6% of full scale
Settling time (95% of new value) Voltage: 300 μS (R), 750 μS (1 uF)
Current: 600 μS (1 mH), 2 ms (10 mH)
Load impedance Voltage: ≥ 1000 Ω
Current: ≤ 600 Ω
Behavior on RUN to STOP Last value or substitute value (default value 0)
Isolation (field side to logic) None
Cable length (meters) 10 meters twisted and shielded
1
Refer to the S7-1200 system manual for voltage and current representations of the analog outputs.
Diagnostics SM 1231
AI 4x13bit
SM 1234
AI 4x13bit AQ 2x14bit
SM 1232
AQ 2x14bit
Overflow/underflow Yes
1
Yes
1
N/A
Short to ground (voltage mode only) No Yes (outputs) Yes
Wire break (current mode only) No Yes, (outputs) Yes
24 VDC low voltage Yes Yes Yes
1
If a voltage greater than +30 VDC or less than -15 VDC is applied to the input, the resulting value will be unknown and
the corresponding overflow or underflow may not be active.
To Next Page
Loading...
