WEG CFW-11 Installation And Operation Manual - page 6
Safety Stop Function
6 | CFW-11, CFW-11M, CFW70X
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Safety stop function prevents the motor starting accidentally.
DANGER!
The activation of the safety stop function does not guarantee electrical safety of the motor
terminals they are not isolated from the power supply in this condition.
NOTE!
Inverter safety stop function is only one component of the safety control system of a
machine and/or process. When inverter and its safety stop function is correctly used
and with other safety components, it’s possible to fulfill the requirements of standard
EN 954-1 / ISO 13849-1, Category 3 (machine safety) and IEC/EN 61508, SIL2 (safety
control/signalling applied to processes and systems).
XC25
XC25
(a) CFW-11 and CFW70x frame A inverters –
SRB1A.00 board
(b) CFW-11 frame B and C inverters –
SRB2A.00 board
XC25
XC25
(c) CFW70x frame B and C inverters – SRB2A.00
board
(d) CFW-11 frame D and E inverters and
CFW-11M (UC11) inverters – SRB2A.00 board for
200...240 V / 220...230 V and 380...480 V models
and SRB4.00 for 500...690 V models
Figure 2: SRBXX board (safety stop function)