Banner AG4 Series Safety Laser Scanner
7. Glossary
7.1 List of Abbreviations
CE European Conformity mark
DZ Danger Zone
EDM External Device Monitoring
FSD Final Switching Device
IEC International Electrotechnical Commission
IP... Ingress Protection
ISO International Organization for Standardization
LED Light Emitting Diode
OSSD Output Signal Switching Device
MPCE Machine Primary Control Element
PF Protective Field
PLC Programmable Logic Controller
VDC Voltage Direct Current
WF Warning Field
7.2 List of Terms
The following terms are used frequently in this manual. Where possible, this manual uses definitions from the international product
performance standards that govern the design of the AG4. For more definitions, visit Banner website.
CE – European Conformity. The CE mark on a product or machine establishes its compliance with all relevant European Union (EU) Directives and
the associated safety standards.
Danger Zone – Defined as the danger area for equipment in operation where there is a serious risk of injury or death to personnel.
Designated Person – A person or persons identified and designated in writing, by the employer, as being appropriately trained and qualified to
perform a specified checkout procedure.
External Device Monitoring – This feature allows the System to monitor the status of external devices, such as MPCEs.
Fixed Guarding – Screens, bars, or other mechanical barriers that prevent a person from entering or remaining in the danger zone undetected.
Key Reset – A key-operated switch used to restore the FSDs and SSD to the ON state from a lockout condition. Also refers to the act of using the
switch to Reset the System.
Latch Condition – The response of the OSSD outputs (they turn OFF) when an object blocks/interrupts a light beam of the System operating in
Latch mode. A manual Reset must be performed after all objects are removed (beam(s) clear) to Reset the output latch and allow the outputs to
turn ON.
Lockout Condition – A condition of the System that is automatically attained when it detects internal or certain external errors. A lockout condition
causes all of the System OSSD outputs to turn or remain OFF, sending a stop signal to the guarded machine. To restore the System to Run mode,
all errors must be corrected and a manual Reset must be performed.
Machine Primary Control Element (MPCE) – An electrically powered element, external to the System which directly controls the machine’s
normal operating motion in such a way that it is last (in time) to operate when motion is either initiated or arrested.
Machine Response Time – The time between the interruption by the System OSSDs and the instant when the dangerous parts of the machine
reach a safe state by being brought to rest.
Separation (Safety) Distance – That distance, along the direction of approach, between the outermost position at which the appropriate test
piece is just detected and the nearest dangerous machine part(s). Also called Safety distance.
Start/restart (interlock) – When applied to the function of a safety or safeguarding device, this term refers to the ability of the device to prevent or
allow the machine operating cycle to begin or resume by normal actuating means after the cause of a stop has been removed. Also called reset.
NOTE: The reset (clearing of the Start/Restart interlock) of the device must not cause hazardous motion or a hazardous situation, but only enable
the normal start command.
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