4
Installation
Installing options and accessories
Operating Instructions – MOVIDRIVE
®
modular
96
4.7.2 CIO21A and CID21A input/output card
INFORMATION
Technical data of the option cards
For technical data and a detailed description of the encoder interface, refer to chapter
"Technical data of the option cards".
Voltage supply
The I/O cards are supplied by the basic unit via the 24V voltage supply.
Short-circuit behavior of digital outputs
The digital outputs are short-circuit-proof.
As soon as the short circuit is remedied, the target output voltage is output, meaning
the output does not switch off.
Short circuit behavior of analog outputs
The analog outputs are short-circuit-proof.
In the event of a short circuit, the output current is limited to a maximum value of
30mA. The short circuit current is not pulsating.
As soon as the short circuit is remedied, the target output voltage is output, meaning
the output does not switch off.
Connecting inductive loads at digital outputs
The digital outputs can switch inductive loads up to an energy content of maximum
500mJ 10 times per seconds at the maximum without any additional measures. For
larger energy contents an external protective element (freewheeling diode) is required.
Connecting 2 digital outputs in parallel
Connecting digital outputs in parallel is possible. The possible output current is
doubled. Ensure identical parameterization of the digital outputs.
Cable lengths
The maximum cable length of connections on the inputs and outputs is 30 m.
INFORMATION
Shielding the cables.
Cables outside the control cabinet must be shielded.
24748536/EN – 11/2017
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