AT-GM-11KM BANNER ENGINEERING, AT-GM-11KM Datasheet - Page 7

• Manufacturer Part Number: AT-GM-11KM
• Description: AT-GM-11KM TWO-HAND CTL W/MUTI
• Manufacturer: BANNER ENGINEERING

Figure 7.
DUO-TOUCH
Field Covers
Total protection for the two-hand control
system from “defeat” is not possible.
However, regulations require the user to
arrange and protect hand controls to
minimize possibility of defeat or accidental
actuation.
Top Plate Shield
!
Banner Engineering Corp.
www.bannerengineering.com • Tel: [phone]
Install activation devices so they
are protected to prevent defeat
or inadvertent actuation (Banner
STB Touch Buttons shown)
CAUTION ...
Hand Controls to Prevent
Accidental Actuation
®
SG –
Top Mount
Side Mount
Install
•
Minneapolis MN, U.S.A.
Models AT-GM-11KM and AT-HM-11KM Two-Hand Control Modules
Installation of the DUO-TOUCH SG Safety Module
The DUO-TOUCH Safety Module must be installed inside a NEMA 3 (IEC IP54) rated, or
better, enclosure. It is not designed for exposed wiring. Dimensions of the Safety
Module are shown in Figure 9. The device mounts directly onto a standard 35 mm DIN
rail.
Heat Dissipation Considerations
For reliable operation, the user must ensure that the operating specifications are not
exceeded. The enclosure must provide adequate heat dissipation, so that the air closely
surrounding the Module does not exceed the maximum operating temperature stated in
the Specifications (page 15). Methods to reduce heat build-up include venting, forced
airflow (e.g., exhaust fans), adequate enclosure exterior surface area, and spacing
between modules and other sources of heat.
Installation of Hand Controls
Each actuating device requires a normally open and a normally closed (e.g., Form C or
SPDT) hard contacts, each capable of reliably conducting 20mA at 12V dc. For
complementary PNP operation, model STBVP.. touch buttons must be used to ensure
proper functionality.
Standards require that the actuating devices be mounted to protect them from
accidental or unintentional operation. Use shields, covers, rings, collars, dividers, or
similar protection to prevent accidental switch actuation and to discourage use of
forearms or elbows. European standard ISO13851 includes a detailed discussion of
approaches to protection of hand controls.
The hand controls must be arranged far enough apart so that the operator cannot
operate both hand controls by the use of one arm (typically, not less than
550 mm/21.7" in a straight line, per ISO13851).
Figure 7 shows two examples for mounting Banner’s STB Touch Buttons. When
mounted on top of the control bar, the protective field covers should be in place, as
shown. For added protection, mount the devices sideways under and behind a
protective hood, rather than on top of the bar, leaving the field covers off. This side
mount reduces the possibility of the operator easily positioning and leaving an object in
the path of the beam, intentionally bypassing the safeguard.
Requirements for Multiple-Operator Control
Standards have specified several conditions for situations where multiple operators
work together to control one machine:
• Each operator must actuate his/her own pair of actuating devices, with all pairs of
• The actuators all must be released between cycles.
• The actuation and de-actuation of all workstations requiring two-hand control must
• The clutch/brake control system must be designed so that the clutch cannot be
It is the responsibility of the user to determine if this two-hand control system can be
interfaced to the machine in a manner to satisfy all existing requirements for multiple-
operator control.
actuators active at one time, in order to initiate a machine cycle; the machine may
not be allowed to operate until this condition is true.
be supervisable and must provide indication.
actuated if all the operating workstations are bypassed.
Mechanical Installation
P/N 109782
7