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Operating Instructions: Photoelectric Blocking - Bravo
Figure 4: Dimensional Drawing for BRV4A, Right-Hand Blocking Device -
PERSONNEL / SAFETY KEY TURNED, BLOCKER PLATE RETRACTED
BLOCKER PLATE
IN RETRACTED POSITION
PERSONNEL / SAFETY KEY REMOVED, BLOCKER PLATE ENGAGED
SEE TABLES BELOW FOR ALTERNATE PLATE DIMENSIONS
BLOCKER TYPE
X
Y
BRV4A-1
0
0
BRV4A-2
20
20
BRV4A-3
40
20
MOUNTING TYPE
A
MP1
0
MP2
20
MP3
40
BLOCKER PLATE
IN ENGAGED POSITION
FORTRESS
Tools and Fixings Required
www.fortressinterlocks.com
• Minimum 2 x M8 screws or 2 x M5 screws for securing Bravo device.
• Screws must be suitable length for a minimum of 10mm thread engagement.
• Screws must be security type to prevent unauthorised removal or tampering.
• Required torque setting; 40 Nm.
• 2 x M8 or 2 x M5 Nut / T-Nut / Threaded Hole for securing Bravo device.
• Driver suitable for securing M8 or M5 screws.
• Adhesive Threadlocker to secure mounting fixings from loosening due to vibration.
Mounting
1. Locate the Bravo device so that it can correctly interrupt or block the signal of the associated Light Curtain or Photoelectric
sensing device to which it is mounted with its Blocker plate in its engaged position. See Fig.2 for mounting dimensions.
2. Secure the Bravo device using minimum 2 x M8 or 2 x M5 screws through the available mounting holes at the top and
bottom of its mounting plate.
3. Perform Mechanical Function tests before completing installation and commission. See Mechanical Function test section
for more details.
Mount the complete device only in the correctly assembled condition.
• All mounting surfaces should be flat, stable and suitable of providing a minimum of 10mm thread engagement or sufficient
support to either an M8 Nut/T-Nut or M5 Nut/T-Nut.
• The Bravo device must be located so that all scheduled inspection and maintenance procedures are all easily possible.
• The complete machine guarding installation must conform to all relevant design, construction and installation standards
and guidelines.
• Any gap around the perimeter of the machine and guarding when under operation (Safety Outputs High) must not exceed
the limits specified in ISO 13857 & ISO 14120.
• All fixing screws used to mount the complete Device must be permanently prevented from removal. If mounting fixings
are visible, they must be secured against removal by personnel using standard tools, manipulation and un-authorised or
un-identifiable removal. If mounting fixings are not visible or hidden, they must be secured against removal or loosening
due to vibration. In both cases, a middle strength adhesive threadlocker is required.
BRAVO - BRV4A PHOTOELECTRIC BLOCKING DEVICE
THE COPYRIGHT OF THIS DRAWING BELONGS TO FORTRESS INTERLOCKS Ltd.
THE CONTENT OF THIS DRAWING IS CONFIDENTIAL AND MUST NOT BE
DISCLOSED TO ANY 3rd PARTY WITHOUT SPECIFIC, WRITTEN APPROVAL.
SEE TABLES BELOW FOR ALTERNATE PLATE DIMENSIONS
ORIGINAL SIZE
ALL DIMENSIONS
ARE IN mm UNLESS
OTHERWISE STATED
SD-00045
DWG NO:
11-06-2021
DATE:
ISSUE:
A3
0.40
SCALE:
SHEET:
0
1 OF 2
A
Halma
company
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