Internal Circuits; Limited Short-Circuit Detection In The Input Circuits - Wieland Samos PRO COMPACT Manual

3.5.3

Internal circuits

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Illustration 8: Inputs and test pulses at an SP-COP2-EN module
Illustration 9: Outputs at an SP-COP2 module
3.5.4

Limited short-circuit detection in the input circuits

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• One SP-COPx module has four test signal generators T1 – T4.
• Short-circuits between test signal generators of a SP-COPx module are detected. Short
circuit detection is only ensured between different modules if the test gaps of the test
signal generators are < 4 ms, the test periods ≥ 200 ms. Short-circuits past 24 V DC (after
ATTENTION High) at inputs that are connected to test outputs are detected independently of the
length of the test gaps.
Make note of this during wiring (e.g. through separate routing or protected lines)!
Wieland Electric GmbH | BA000966 | 08/2017 [8151]
Product description
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