10 Glossary
The following terms are used in this manual. Where possible, definitions are from the U.S. and international product
performance standards that govern the design of the Banner device. For more definitions, visit
Banner Website.
A
ANSI (American National Standards Institute)
Acronym for the American National Standards Institute, an
association of industry representatives that develops technical
standards (including safety standards). These standards comprise
a consensus from a variety of industries on good practice and
design. ANSI standards relevant to application of safety products
include the ANSI B11 Series, and ANSI/RIA R15.06. See
Standards and Regulations
on page 56.
Automatic Reset
The safety input device control operation setting where the
assigned safety output will automatically turn on when all of its
associated input devices are in the Run state. No manual reset
operation is required for the safety output to turn on when
controlled only by safety input devices configured for Automatic
Reset. When Automatic Reset is selected, the input device may be
said to be configured to run in Trip mode.
C
CE
Abbreviation for "Conformité Européenne" (French translation of
"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.
Change of State (COS)
The change of an input signal when it switches from Run-to-Stop
or Stop-to-Run state. Dual-channel input signals, have two
possible configurable COS settings describe the signal disparity
limits that can exist between channels before a fault condition is
registered: simultaneous and concurrent. If simultaneity is a
requirement or a concern for the application, the user has to
ensure that he made the right selection during configuration.
Closed-Open Debounce Time
The time it takes to bridge a jittery input signal or bouncing of the
input contacts to prevent nuisance tripping of the Controller.
Adjustable from 6 ms to 100 ms. The default value is 6 ms (50 ms
for mute sensors). A longer closed-open debounce time will also
affect and increase the response time of the system and/or the
machine response time.
Code Validation
The configuration code file inspection process automatically
performed by the Controller to verify that the configuration code
has not been corrupted or altered in any way.
Commissioning
The process of operationally checking a Safety Controller
installation on a working machine, in order to verify that the
control system is working properly.
Complementary Contacts
Two sets of contacts which are always in opposite states.
Concurrent
The setting that permits an indefinite signal disparity between
channels, without going into a fault condition. A fault condition is
created if the Stop signal changes back to a Run signal before its
allied signal changes to the Stop state. Both signals must change
from the STOP state to the RUN state before the dual-channel
device is considered to be in the RUN state.
Configurable
Describes a control device that has pre-defined and pre-tested
operational parameters that can be selected or enabled, in order
to accommodate a variety of control application requirements.
Configuration
A selected set of pre-defined and pre-tested input and output
device properties and logic relationships that define the operating
algorithm that the Safety Controller uses to control hazardous
machine motion.
Confirmation
The two-step process where a new or modified configuration is
sent to a Controller for code validation, and a copy of the
validated code is sent back from the Controller to the PCI for
manual parameter (I/O and System settings) verification.
D
Defined Area
The "screen of light" generated by a safety light screen system,
defined by the height and the safety distance (minimum distance)
of the emitter and receiver. When the defined area is interrupted
by an opaque object of a specified cross section, a Trip or Latch
condition results.
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.
Diverse-Redundancy
The practice of using components, circuitry or operation of
different designs, architectures or functions to achieve
redundancy and to reduce the possibility of common mode
failures.
Dual-Channel
Having redundant signal lines for each safety input or safety
output.
E
Emitter
The light-emitting component of a safety light screen system,
consisting of a row of synchronized modulated LEDs. The emitter,
together with the receiver (placed opposite), creates a "screen of
light" called the defined area.
Enable a Mute Time Limit
As soon as a mute sensor is mapped to a safety input device, a
default time limit of 30s will show up in the properties window.
This time limit can be disabled by unchecking the ‘Enable Time
Limit’ box. This extends the time for the mutable safety device to
be muted to infinite.
External Device Monitoring (EDM)
A means by which a safety device (such as a safety light screen)
actively monitors the state (or status) of external devices that
may be controlled by the safety device. A lockout of the safety
device will result if an unsafe state is detected in the external
device. External device(s) may include, but are not limited to:
MPCEs, captive contact relays/contactors, and safety modules.
EZ-SCREEN
®
Type 2 Light Screen
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
