1107200
Shadow VI User Manual
page 100
Appendix A
Excerpts from OSHA Regulations and
ANSI
Standards
Daily Tests in French and English
Extracts from ANSI B11.1-2009 8.6.3
Standards Requirements
Explanatory Information
8.6.3.6
Muting of the device shall be permitted
only during the non-hazardous portion of the
press cycle.
E8.6.3.6
Muting is typically accomplished by
interface circuits or auxiliary controls.
The die closing portion of the cycle is always
considered hazardous. In some cases, feeding
and transfer automation or die features can
cause additional hazardous conditions even
during the opening portion of the cycle (up-
stroke). See also ANSI B11.19 for additional
information.
8.6.3.7
Muting of the device shall be
accomplished in a manner that conforms to the
requirements of 6.11 and 8.8.
E8.6.3.7
Muting is typically accomplished by
interface circuits or auxiliary controls. The
muting element should incorporate a similar
level of control reliability as the presence-
sensing device itself. A simple cam-operated
limit switch wired in parallel with the device’s
output is inadequate as its failure can remain
undetected.
8.6.3.8
The device shall have an identifiable
minimum object sensitivity so that an obstruction
of an equal or greater size will be detected
anywhere within the sensing field regardless of
the plane of intrusion.
E8.6.3.8
The device should have a minimum
object sensitivity stated by the device supplier.
For example, an electro-optical device may
detect a 32 mm (1-1/4 inch) diameter opaque
object anywhere in its sensing field but allow 25
mm (1 inch) obstructions to pass undetected at
certain points in the field.
8.6.3.9
The device shall have a maximum
response time, which shall not be affected by
object sensitivity adjustments or environmental
changes.
E8.6.3.9
The device supplier should state the
maximum total response time, including output
devices, of the presence-sensing device.
8.6.3.10
Devices which require adjustments to
accommodate variations in operating conditions,
or which incorporate fixed blanking or floating
blanking features, shall be designed so that the
adjustments or features are capable of
supervisory control by the user.
E8.6.3.10
Typically, these adjustments or
controls are key-operated or located under
lockable covers.
Summary of Contents for Shadow VI
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Page 144: ...1107200 Shadow VI User Manual page 132 Appendix D Replacement Parts ...
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