11.2.3.4 Analoge Inputs and Outputs
The expansion card "PosI/O-Monitor" adds analog inputs and outputs to the servo amplifier
were pre-programmed signals can be assigned to. A listing of these pre-programmed func-
tions can be found on the screen page "Analog I/O" of the setup software.
11.2.3.4.1 Analog Outputs ANALOG-OUT 1 and 2
You can use terminals X3C/17 (Analog-Out 1) respectively X3C/19 (Analog-Out 2) to deliver
analog values converted from internal digital values (e.g. tachometer voltage).
Technical characteristics
Reference ground is Analog-GND (AGND, terminal X3C/18 and X3C/20)
Specification according to EN 61131-2 table 11
Output voltage ±10 V
Resolution: 0,38 mV, 16 Bit, Update rate 250 μs
11.2.3.4.2 Analog Inputs ANALOG-IN 3 and 4
You can use terminals X3C/21-X3C/22 (Analog-In 3) respectively terminals X3C/24-X3C/25
(Analog-In 4) with several pre-programmed functions.
Technical characteristics
Differential input voltage max. ±10 V
Resolution 1.25 mV, 16 bits, scalable
Ground reference AGND, terminal X3C/23
Input resistance 20 kΩ
Common-mode voltage range for both inputs ± 10 V
Update rate 62.5 μs
S748-772 Instructions Manual | 11 Expansions
Kollmorgen | kdn.kollmorgen.com | July 2019 151
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