NIFTYLIFT HR 12, Руководство пользователя

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Height Rider/SP Series
Operating & Safety Instructions
English/USA – 01/18
Original instructions
69
A8 EMERGENCY STOP SYSTEM
The Emergency stop system is PL c in accordance to with BS EN ISO 13850:2015 as required by BS
EN 280:2013+A1:2015.
1. The limits of the safety-related parts to the category selected and any fault exclusions;
There is a 2 channel input from both a base E-stop and a cage E-stop button into the base PLC. Each
button operates a normally open and a normally closed switch contact. The failure mode of “Will not
open” for the NC contact is excluded. If either E-stop button is pressed by the operator the base PLC
ceases all machine movement.
Reasonably foreseeable misuse
2. The limits of the SRP/CS and any fault exclusion, for which, when essential for maintaining the
selected category or categories and safety performance, appropriate information (e.g. for
modification, maintenance and repair) shall be given to ensure the continued justification of the fault
exclusion(s);
Do not alter, modify or disable in any way the controls, safety devices, interlocks or any other part of
the machine.
Maintenance must only be carried on by appropriately trained and competent persons, who are
conversant with all modes of operation, speeds and characteristics of this model.
3. The effects of deviations from the specified performance on the safety function(s);
If the Emergency stop system does not function as intended it is possible that the Niftylift may function
when the E-stop is pressed.
If the product moves unexpectedly, damage to the Niftylift, other equipment and properties, injury or
loss of life of the operator and surrounding persons may be a risk.
4. Clear descriptions of the interfaces to the SRP/CS and protective devices;
The Emergency stop system comprises of a primary devices the 2 Emergency stop button and a PLC,
and motor controllers.
If the E-stop system is activated the system will not re-set until the button has been released.
5. Response time;
Operating the emergency stop is immediate
6. Operating limits (including environmental conditions);
All components within the emergency stop system are rated to the environmental conditions
acceptable for the machine; see Section 2.2 .
7. Indications and alarms;
When activated the emergency stop button remain visually in an operated position
8. Muting and suspension of safety functions;
If the E-stop button in the cage is operated the operator at the base may override this E-stop by
changing the control location to the base using the key switch located at the base. The cage operator
may then release the E-stop and operate it again to disable drive and boom functions.