Phoenix Contact CSS 1.5-1/3-EMC Handleiding (152 Pagina's)

Handleiding

CONTACTRON Speed Starter

106 / 150 Phoenix Contact

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13.2 Safety information

– The safety function must be requested once every 24 hours in order to comply with

Category 4 PL e safety integrity.

– The safety function must be requested once every 3 months in order to comply with

the safety integrity of Category 3 PL e.

– The safety function must be requested once every year in order to comply with the

safety integrity of Category 3 PL d.

– An inadmissible restart may occur after removal of the STO function. This must be

blocked by a higher-level safety system.

– A double failure may result in an unintentional jerk. The angle of rotation depends on

the number of poles of the selected drive and on the gear ratio of the selected gear-

box.

– The device must not be subjected to mechanical or thermal stress that exceeds the

limits described in the associated documentation. To protect against mechanical or

electrical damage, install the device in an appropriate housing with a suitable degree

of protection (minimum IP54) in accordance with IEC/EN 60529.

– For the STO+ and STO- inputs, suitably insulated rigid conductors or litz wires with

ferrules have to be used.

– The requirements of IEC/EN 61800-5-2 must be observed in order to reliably ex-

clude short circuits and cross-connections of the safety-relevant cables.

– Only qualified personnel may install and commission safety technology.

– The inputs STO+ and STO- may only be operated from a single SELV/PELV 24 V power

supply.

– The maximum length and the maximum frequency of the light and dark test impulses

are defined in Table A-4 “Digital input (STO+/STO-)”.

– For electrical parameters, see Table A-4 “Digital input (STO+/STO-)”.

13.3 STO input

In order to operate the motor that is connected to the CONTACTRON Speed Starter, you

must issue the release to the device via the STO input.

As soon as a valid signal is applied to the STO input (terminals STO+ and STO-), the device

receives control commands and the motor can be operated.

With non-safety-related applications, you can also issue the release by bridging terminals

(STO-) and (GND) and terminals (STO+) and (24V OUT).

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