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Installation of Hand Controls

Each actuating device typically requires a normally open and a normally closed
(e.g., Form C or SPDT) hard contacts, each capable of reliably conducting 20 mA 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 acci-
dental or unintentional operation. Use shields, covers, rings, collars, dividers, or sim-
ilar protection to prevent accidental switch actuation and to discourage use of fore-
arms or elbows. European standard ISO13851 includes a detailed discussion of ap-
proaches 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, this distance is not less
than 550 mm/21.7" in a straight line, but using guards or alternate mounting ar-
rangement can allow shorter distances, per ISO13851 (EN574). This standard also
recommends that the hand controls be arranged on a horizontal (or nearly horizon-
tal) surface that is 1,100 mm/43.3" above the floor.
Ergonomic principles should be considered to avoid unnecessary fatigue in the in-
stallation of the hand controls. See ISO13851 (EN574) Two-Hand Control, ANSI
B11.TR1–Ergonomic Guidelines, and EN894–Safety of Machinery–Ergonomic Re-
quirements–Control Actuators for further information.
The figure to the right shows two examples for mounting Banner’s STB Touch But-
tons. When mounted on top of the control bar (Figure 6), 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 (Figure 7). 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.

Field Covers

Top Mount

Figure 6. Install activation devices so that

they are protected to prevent defeat or inad-

vertent actuation (STB Touch Buttons shown)

Side Mount

Top Plate Shield

Figure 7. Mount devices sideways under a

protective hood for added protection (STB

Touch Buttons shown)

CAUTION: Install Hand Controls to Prevent Accidental Actuation
Total protection for the two-hand control system from “defeat” is not possible. However, the user is re-
quired by OSHA regulations to arrange and protect hand controls to minimize possibility of defeat
or accidental actuation.

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 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

• The actuators all must be released between cycles
• The actuation and de-actuation of all workstations requiring two-hand control must be supervisable and must provide indication
• The clutch/brake control system must be designed so that the clutch cannot be actuated if all the operating workstations are by-

passed

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.

 

 

DUO-TOUCH

®

 SG Two-Hand Control Modules

8

www.bannerengineering.com - tel: 763-544-3164

P/N 109782 Rev.B

Содержание DUO-TOUCH AT-GM-11KM

Страница 1: ...mechanical push buttons with one normally open and one normally closed contact each Form C contact If the machine operator removes one or both hands from the actuating device s the Duo Touch SG relays de energize causing the output contacts to open The relays will not re energize until both actuating devices are deactivated and then simultaneously reactivated SSI input channels closed The Duo Touc...

Страница 2: ...on provided or the appropriateness of the provided information for a specific application The user has the responsibility to ensure that all local state and national laws rules codes and regulations relating to the use of this Two Hand Control module are satisfied Extreme care is urged that all legal requirements are met and that all installation and mainte nance instructions contained in this man...

Страница 3: ...ational standards for single stroke or single cycle machines The AT M 11KM DUO TOUCH SG Two Hand Control Safety Module can be used to assist in accom plishing anti repeat control but a risk assessment must be accomplished to determine the suitability of such use The actuating devices must be protected from accidental or unintended operation This can be accomplished by their mounting position and o...

Страница 4: ...er The output signal drops within 35 milliseconds following the release of either switch The device output does not re energize until both hand controls are disengaged and then simultaneously re actuated This logic reduces the possibility of defeating the two hand control by tying down one or both hand controls Power SSI M1 M2 ML Feedback Loop SW1 SW2 Output 0 5 s 0 5 s 0 5 s Feedback Open SW1 or ...

Страница 5: ...vices must be mounted so their physical position and alignment cannot change It must not be possible for environmental conditions such as extreme air borne contamination to initiate a mute condition The muting sensors or switches must not be set to use any delay or other timing functions unless accomplished in such a manner that does not lessen the level of safety integrity of the system and does ...

Страница 6: ...rated input When the input is closed a mute cycle is allowed to begin opening this input while the Module is muted will have no effect If the application does not require the Mute Enable function then the X1 X2 input must be jumpered Typical uses for Mute Enable include To allow the machine control logic to create a window for muting to begin To inhibit muting from occurring To reduce the chance o...

Страница 7: ... with all relevant standards and regulations If there are any questions contact the Banner Factory Applications Group to discuss your inten ded use Z1 Z2 M11 M12 M21 M22 S12 A1 A2 B1 B2 13 14 23 24 S11 S13 Z3 Z4 Y1 Y2 X3 X4 X5 X6 Y30 Y31 Y32 Y33 S21 S22 S23 Powe r Fault Input 1 Input 2 SSI Mutin g Output K1 K2 K1 K2 31 32 A1 A2 B1 B2 Z3 Z4 Y1 Y2 M11 M12 M21 M22 S12 S11 S13 S22 S21 S23 GND Z1 Z2 X1...

Страница 8: ...eways under and behind a protective hood rather than on top of the bar leaving the field covers off Figure 7 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 Field Covers Top Mount Figure 6 Install activation devices so that they are protected to prevent defeat or inad vertent actuation ST...

Страница 9: ... formulas Ds the separation distance in inches K 63 per second the hand speed constant currently accepted by OSHA see NOTE 1 Ts the stop time in seconds of the machine measured from the application of the stop signal to the final ceasing of all motion including stop times of all relevant control elements and measured at maximum machine velocity see NOTE 2 Tr 0 035 seconds the response time of the ...

Страница 10: ... separation distance 3 Th is usually insignificant for purely mechanical switches However Th should be considered for separation distance calculation when using electronic or electromechanical i e powered hand controls In this example STB response time 0 02 seconds Electrical Installation Because the DUO TOUCH SG Safety Module interfaces to many types of machine controls it is not possible to give...

Страница 11: ...erous condition which could result in serious injury or death If power is applied to the Safety Module before power is applied to the electronic hand controls an output from the Safety Module could result and may trigger machine motion Also electronic hand controls can not guarantee the state of their outputs at the time power is applied to them Connection of Power to the DUO TOUCH SG Safety Modul...

Страница 12: ...input s if not used M11 M12 M21 M22 X3 X4 X5 X6 Feedback optional Z3 Z4 X1 ML Mute Lamp ME Mute Enable NOTE See Figures for alternate M1 M2 hookups Figure 11 Machine control circuit connections As shown in Figure 11 a normally closed mechanically linked monitor contact from each of the two MPCEs must be connected in series across terminals Y1 and Y2 This allows the Safety Module to monitor the sta...

Страница 13: ...ck all wiring Do not continue this checkout procedure until the cause of the problem is corrected 4 With the SSI input closed i e SSI LED is ON activate both hand controls simultaneously within 0 5 seconds and hold them engaged The Output indicators should come ON Release both hand controls simultaneously Output indicators should go OFF 5 Again activate the two hand controls simultaneously and hol...

Страница 14: ...cycle stops any time the mute cycle ends or when the SSI input opens 8 Verify that the distance from each actuating device to the closest hazard point is not less than the calculated safety distance see Separation Distance on page 9 Semi Annual Checkout To be Performed at Six Month Intervals This semi annual checkout must be performed by a Qualified Person A copy of test results should be kept on ...

Страница 15: ...nal devices controlled by the safe ty outputs Each device must be capable of switching 15 to 30V dc at 10 50 mA Muting Device Inputs M1 M2 The muting devices work as a pair M1 and M2 The simultaneity requirement is that they be closed within 3 seconds of each other to initiate a mute condition or allow a mute cycle assuming all other conditions are met Each muting device must be capable of switchi...

Страница 16: ...able cause Input 2 Green ON Touch button Input 2 is activated OFF Touch button is not activated Flashing See Troubleshooting on page 17 for probable cause Safety Stop Input Green ON SSI inputs are closed X3 X4 and X5 X6 OFF SSI inputs are open Flashing See Troubleshooting on page 17 for probable cause Mute Green ON M1 M2 are closed and mute cycle is activated OFF M1 M2 are not closed mute cycle no...

Страница 17: ...eason Solution Power ON Two Hand Control Input Short Cir cuit Fault Flashing In 1 Flashing Input 1 is short circuited to Input 2 S12 S11 S13 to S22 S21 S23 In 2 Flashing SSI OFF MUTE OFF OUT OFF Indicator Status Possible Reason Solution Power ON Safety Stop Interface Error Fault Flashing In 1 ON or OFF Invalid Input SSI channels did not operate concurrently both must open and then both must re clo...

Страница 18: ...have failed in such a man ner that its replacement is required If the Module is not immediately replaced or repaired multiple simultaneous failures may accumu late such that the safety function can not be guaranteed NOTE Do not attempt any repairs to the DUO TOUCH SG Two Hand Control Module It contains no field replaceable components Return it to the factory for warranty repair or replacement If i...

Страница 19: ... a terminal block insert a small screwdriver into the slot and pry to loosen NOTE When reinserting the block take care to slide the dovetail on the terminal block into the slot on the frame S12 A1 A2 B1 B2 13 14 23 24 S11 Y30 Y31 Y32 Y33 51 52 S13 Z1 Z2 Y1 Y2 33 34 43 44 S21 S22 S23 P ow er Fault In 1 In 2 O utp ut K1 K2 K1 K2 51 52 Figure 12 Removal of terminal blocks DUO TOUCH SG Two Hand Contro...

Страница 20: ...ANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND WHETHER ARISING UNDER COURSE OF PERFORMANCE COURSE OF DEALING OR TRADE USAGE This Warranty is exclusive and limited to repair or at the discretion of Banner Engineering Corp replacement IN NO EVENT SHALL BANNER ENGINEERING CORP BE LIABLE TO BUYER OR ANY OTHER PERSON OR ENTITY FOR ANY EXTRA COSTS EXPEN SES LOSSES LOSS OF PROFITS OR ANY INCIDENTAL C...

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