Analog Output; Auxiliary Voltage Input And Output - SCHIEBEL AB3 Operating Instructions Manual

Operating Instructions for Actuators Type AB with Control Unit
15 Technical data OM-ENGLISH-ABCSC.V1.2-16xx-V2.02-2023.04.27
Resolution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 bit
Accuracy: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%
Input resistance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Jumper JP6 can be used to switch analog input 2 from a passive input (default) to an input with internal 24 V
power supply (for 4. . . 20 mA, two-wire transmitters).
Figure 63: Passive input (default) Figure 64: Input with internal suppy (active input)
NOTE: The analog input 2 is referenced to common of the electronic system and the auxiliary power supply
(see section 15.5).

15.4 Analog output

Current range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. . . 20.8 mA
Resolution: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 bit
Accuracy: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%
Max load: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
The analog output is galvanically isolated from the rest of the electronic system.
Jumper JP4 can be used to switch the analog output from an active power source (default) to a current sink,
allowing the output to simulate a 4. . . 20 mA, two-wire transmitter.
Figure 65: Current source Figure 66: Current sink
Ground potential is the potential of the control unit and the auxiliary supply (see chapter 15.5).

15.5 Auxiliary voltage input and output

Input voltage range (auxiliary voltage input): . . . . . . . . . . . . . . . . . . . . 20. . . 30 VDC
Maximum current consumption (auxiliary voltage input): . . . . . . . . 500 mA
Maximum current consumption in power-save mode . . . . . . . . . . . . 120 mA
(auxiliary voltage input):
Output voltage (auxiliary voltage output): . . . . . . . . . . . . . . . . . . . . . . . typ. 23 V
Maximum output current (auxiliary voltage output): . . . . . . . . . . . . . .200 mA
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