Diagnosis Function And Enforced Dynamizing; Requirements To Be Met By Installation; Instructions On Installation Of Safety Equipment - BONFIGLIOLI Agile Series Application Manual Functional Safety

6.6

Diagnosis function and enforced dynamizing

The test required for monitoring the stop paths is performed by the frequency inver-
ter automatically. Via automated enforced dynamizing, the stop paths are checked
for errors. If the test result is negative, the frequency inverter cannot be switched on
anymore, and an error of the group "F12" (in example F1201) is signaled. Starting is
possible again only after the frequency inverter was completely disconnected from
voltage supplies and error has been corrected.
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Requirements to be met by installation

7.1

Instructions on installation of safety equipment

− If work is to be carried out on live components, it must be possible to disconnect
the machine from mains supply by means of a main switch.
− According to EN 61800-5-2 a fault exclusion can be considered with one of the
following possibilities:
− Protection against dirt is ensured if the frequency inverter and safety control
equipment is installed in electrical cabinets with high IP protection, e.g. IP 54.
− If external forces act on the drive axis, e.g. in the case of vertical axes (sus-
pended loads) or round axes with asymmetrical weight distribution, mechanical
brakes must be installed additionally.
− Only use voltage sources with safe disconnection (SELV/PELV) according to
VDE0100. Comply with the specifications in chapter 7.3 .
− The STO inputs may be controlled with pulsed signals, neg. Puls lengths < 500 μs.
− Errors can be excluded in the case of the Agile units because the terminal blocks
for the STO function are physically separate from one another. The signal cables
between the safety control equipment and ACTIVE Cube must either be physically
separate from one another or suitable, cross fault proof cables.
− Comply with applicable EMC instructions mentioned in the operating instructions.
− After installation, check the safety function and error reaction and issue an ac-
ceptance report.
− Interrupting the STO signals prevents a start of the motor. According to
EN 60204-1, STO must not be released during an impending endangerment.
− Also comply with the instructions on external safety control equipment.
− During commissioning, check the safety function.
Select the dimensions of the safety application such that the input current according
to the operating instructions is available for each of the inputs STOA and STOB (typi-
cal: 10 mA). If more than one Agile frequency inverters are connected to one safety
control device, the safety control device must provide sufficient power for all of them.
AGL-STOV0-01SV0-05
06/12
The conductor is installed permanently and in example protected
o
against external damage with a cable duct or reinforcement.
Single multi-conductors are used.
o
The conductors are situated in an electrical cabinet.
o
The conductors are shielded independently and have grounding.
o
If applicable, the requirements of EN 60204-1 have to be considered to
install the connectors correctly.
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