ABB Jocab Safety Vital 2 작동 지침 - 페이지 2

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ABB Jocab Safety Vital 2에 대해서도 마찬가지입니다: 매뉴얼 (14 페이지)

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General

Vital is based on a single-channel safety concept where several safety components (e.g. sensors)

can be connected in series and supervised with only one safety module. A dynamic signal is sent

from Vital through all connected components, and then back to Vital which evaluates the received

signal. Since each safety component inverts the signal it is possible to detect short circuits, or

failures, in a sensor. Vital 2 and Vital 3 are intended to be used together with Jokab "Eden"

sensors, "Tina" components and "Spot" light beams or similar components. Vital 2 and 3 are both

safety modules with two safe input functions and two output groups. The only difference between

the two models lies in the input configuration.

Eden

Eden – Adam and Eva is a non-contact safety sensor for use on interlocked gates, hatches etc.

The dynamic signal from Vital is transmitted via Adam to Eva which modifies it and sends it back to

Adam, which in turn sends it inverted to the next Eden in the safety loop. Since each Eden inverts

the signal, different inputs on Vital 2/Vital 3 shall be used depending on if an even or an odd

number of Eden sensors are connected in series.

Jokab Eden sensor

Tina

"Tina" is a product family from Jokab which converts the signal from sensors with contacts or

OSSD-outputs to the dynamic safety loop. A large number of "Tina" components exist. A Tina 2A

can for instance be used to invert the signal at a switch in order to make it possible to detect short

circuits over the switch. Tina 10A is used to connect a Focus light beam/curtain to Vital 2/3.

T11

R11

Tina 10A

Example with Tina and switch

Tina 2A

Vital2&3_Manual_v1D