Height Rider/SP Series
Operating & Safety Instructions
English/USA – 01/18
Original instructions
72
A9
SiOPS
The Sustained Involuntary Operation Prevention System (SIOPS) is PL d in accordance to with BS EN
ISO 13849-1:2015 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;
The SiOPS is always active. The system input is a two-channel which takes the signal from the cage
console, the console position is determined, and in the case of an involuntary operation, machine
function ceases
Proper maintenance and daily safety checks to be observed.
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 SiOPS does not function as intended it is possible that the operator or operators may be exposed
to a crushing hazard
If the operator or operators experience a crushing hazards they may be subject to severe injury or loss
of life.
4. Clear descriptions of the interfaces to the SRP/CS and protective devices;
The SiOPS comprises of a primary device the “console switches” and a PLC, and motor controllers.
If SiOPS is triggered the machine function will stop.
5. Response time;
The SiOPS system is always active when the machine is in use
6. Operating limits (including environmental conditions);
All components within the SiOPS are rated to the environmental conditions acceptable for the machine;
see Section 2.2.
7. Indications and alarms;
The action of the SiOPS will cause the klaxon to sound and will be indicated by the blue warning light
on the cage location.
8. Muting and suspension of safety functions;
In the case of the SIOPS being detected the alarm can be silenced by releasing the green button or
footswitch. Suspension of the function will continue until the green button is released
9. Control modes;
The SiOPS system has no user controllable modes of operation, other than when an operator activates
the SiOPS system.
Summary of Contents for HR 12
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