2 removing an electronic module, 3 changing an electronic module during operation, Removing an electronic module – Pilz PSSu E AI SHT2 User Manual

Page 16: Changing an electronic module during operation

Installation

Operating Manual PSSu E AI SHT2
1003113EN01

5.3.2

Removing an electronic module

Procedure:

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Press the locking mechanisms [1] together simultaneously.

}

Pull out the electronic module [2].

Schematic representation:

[1]

[2]

[1]

5.3.3

Changing an electronic module during operation

It is possible to change an electronic module during operation. The configuration data is re
tained when a module is changed.

Effects:

}

System environment A:

–

In the event of a potential FS communication error, the FS section of the PSSu sys
tem and all relevant I/OGroups (SafetyBUS p) switch to a STOP condition.

}

System environment B:

–

All FS hardware outputs on the PSSu system switch to a safe condition.

–

The substitute values are used for the modules' FS outputs, with Valid Bits =
FALSE.

CAUTION!

Sparking can cause interference and errors!

Only change the module when the load is switched off!