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If backlight-supported hand control is used:
When CB6S MK2 is powered by mains voltage:
If a hand control button is activated, the backlight turns fully on.
When the hand control button is released, the light is dimmed again after approx. 10-15 seconds. The backlight turns completely off after 2 minutes.
Exception: While charging the hand control, the backlight will stay dimmed until charging is finished.
When CB6S MK2 is powered by battery:
If a hand control button is activated, the backlight turns fully on.
When the hand control button is released, the light is dimmed again after approx. 10-15 seconds. The backlight turns completely off after 2 minutes.
First-failure-safe monitoring
CB6S MK2 is equipped with a first-failure-safe indication controlled by hardware (power request). At normal operation (no failure observed), the
power LED turns yellow when a hand control button is activated.
If the LED has turned yellow AND the hand control has NOT been activated, it indicates that a failure has occurred (first failure).
NOTE: Even though the LED lights yellow before the hand control is activated, it is possible to operate the CB6. However, the first failure is
somehow still in the control box and must be removed to prevent a further failure that might lead to a hazardous situation.
To meet the safety requirements, the device must have a dual switch safety concept.
Further information about OpenBus™ safety concepts, please contact your local LINAK near by you.
The safety function must be monitored and this monitoring is implemented in the software.
In case of a failure (fatal error), any further operation of any channels is prevented. In case of a fatal error, the CB6S MK2 responds with the
following information:
Failure indication:
• All control LEDs are blinking
• The CB6S MK2 buzzer beeps shortly if a hand control is activated
• The error can be reset by activating H0 and H1 OR H10 and H11 or H20 and H21 (standard SW only) on a hand control.
Recommendations
• To avoid unintended activation of actuators if hand control cables short-circuit, LINAK
®
recommends to use an OpenBus™ system (CB6S MK2).
• If there is a risk that the system is overloaded and therefore shuts down thermally, LINAK recommends to use quick release actuators.
These will allow functions to be lowered manually in case of a CB6S MK2 malfunction due to misuse/abuse.
• If the customer has other essential performance than ‘no unintended movement’, he must consider this in his own risk analysis.
LINAK disclaims any liability.
• If the actuator or the control cable is removed from the control box, the cable lock must be applied.
To ensure movement in this case, LINAK recommends to use quick release actuators in the application.
• To avoid cables from being damaged by pulling, LINAK recommends to make safe cabling. If movement is an essential performance,
LINAK recommends to apply quick release actuators, for instance, to ensure movement.
• To avoid thermal protection from being activated, do not exceed load specifications.
If movement is an essential performance, LINAK recommends to apply quick release actuators, for example, to ensure movement.
• Sales must request a review of the products according to current cut-off limits.
• Push plugs fully into correct sockets and make sure that the plugs are completely inserted.
• Mount control box cover and close cover until locked in place.
• When mounting the CB6S MK2 using the two screw holes, you must use the spacer. This is to avoid the CB6S MK2 housing
from breaking which can lead to malfunction and lower IP ratings.
LED status during usage
The LED on CB6S MK2 can show 3 different colours during usage.
Green CB6S MK2 is connected to mains supply.
Green + Yellow CB6S MK2 is operated on mains supply.
(* See later page re. ‘First-failure-safe monitoring’ )
Yellow CB6S MK2 is battery-operated (power request)
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