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WARNING: Qualified Personnel

Only qualified and authorized personnel who have been trained in the use of the device, and hazards as-

sociated with the task that requires the use of the device, may be allowed to operate the enabling device

and must follow safe work procedures.

Bypassing Safeguards

"Bypassing" or "overriding" a safeguarding device is the manual interruption or suspension of the normal function of a safeguard under

supervisory control. It is typically accomplished by selecting a bypass mode of operation using a key switch to facilitate machine setup,

web alignment/adjustments, robot teach, and process troubleshooting.

Minimum requirements to bypass a safeguarding device include*:

• The bypass function must be temporary.

• The means of selecting or enabling the bypass must be capable of being supervised.

• Automatic machine operation must be prevented by limiting range of motion, speed, or power (e.g., only used in inch, jog, or slow-

speed modes). Bypass mode must not be used for production.

• Supplemental safeguarding must be provided. Personnel must not be exposed to hazards.

• The means of bypassing must be within full view of the safeguard to be bypassed.

• Initiation of motion should only be through a hold-to-run type of control.

• All emergency stops must remain active.

• The means of bypassing must be employed at the same level of reliability as the safeguard.

• Visual indication that the safeguarding device has been bypassed must be provided and be readily observable from the location of

the safeguard.

• Personnel must be trained in the use of the safeguard and in the use of the bypass.

• Risk assessment and risk reduction (per the relevant standard) must be accomplished.

• The reset, actuation, clearing, or enabling of the safeguarding device must not initiate hazardous motion or create a hazardous situa-

tion.

* This summary was derived from the following and other sources: ANSI NFPA79, ANSI/RIA R15.06, ISO 13849-1 (EN954-1),

IEC60204-1, and ANSI B11.19.

WARNING: Intentional Defeat
Do not defeat the protective function 

of the enabling switch. Using tape, string or other means to keep

the switch in position 2 without its being actuated by an individual 

can create an unsafe condition which

could result in serious injury or death.

WARNING: Emergency Stop Functions
Do not mute or bypass any Emergency Stop device.

 ANSI NFPA79 and IEC/EN 60204-1 require that

the Emergency Stop function remain active at all times.

 

 

ED1G Enabling Switch

4

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

P/N 151822 Rev. B

Summary of Contents for ED1G

Page 1: ...dard ANSI B11 19 Performance Criteria for Safeguards ANSI NFPA 79 2007 and IEC 60204 1 2000 Electrical Re quirements for Industrial Machines Enabling switch left and Enabling switch with integral mome...

Page 2: ...FPA 79 Electrical Standard for Industrial Machinery ANSI RIA R15 06 Safety Requirements for Industrial Robots and Robot Systems ANSI PMMI B155 1 Package Machinery and Packaging Related Converting Mach...

Page 3: ...otherwise be safeguarded Each enabling device must be concurrently operated before machine motion can be initiated The enabling device is not considered to be an emergency stop device but if performin...

Page 4: ...o be bypassed Initiation of motion should only be through a hold to run type of control All emergency stops must remain active The means of bypassing must be employed at the same level of reliability...

Page 5: ...nd must comply with the relevant electrical standards and wiring codes such as the NEC National Electrical Code ANSI NFPA79 or IEC 60204 1 and all applicable local standards and codes Lockout tagout p...

Page 6: ...series connected see wiring diagram and the following warning WARNING Multiple Switching Devices Whenever two or more devices are connected to the same safety module controller Contacts of the corres...

Page 7: ...m L2 27 mm Wire Stripping Length L3 L3 6 mm Terminal No Connector Base L1 L2 L3 L3 Figure 3 Wire lengths to terminal connections 5 Replace the cover and secure with the three screws torque 1 1 to 1 3...

Page 8: ...S21 S22 S12 13 23 33 S31 S32 24 14 34 44 43 A2 S34 S33 Functions requiring bypass Functions not requiring bypass Machine Control Circuits 5 6 1 Selection of the enabling device must be capable of bei...

Page 9: ...the interconnect cabling for crushing cuts or wear 2 Inspect the device for loosening or damage to the mounting hardware or means of storage 3 With the enabling device selected e g bypass or maintenan...

Page 10: ...ons minimum Operating frequency 1 200 operations per hour max imum Electrical Life 100 000 operations minimum at rated load Pollution Degree 3 Terminal Pulling Strength 20 N minimum Terminal Screw Tor...

Page 11: ...esistive load AC 12 2 A 1 A Inductive load AC 15 1 A 0 5 A DC Resistive load DC 12 2 A 0 4 A 0 2 A Inductive load DC 13 1 A 0 22 A 0 1 A Rated Current le Mo mentary push button switch Terminals 7 8 mo...

Page 12: ...p US or e mail Mexico mexico bannerengineering com or Brazil brasil banner engineering com Asia Banner Engineering China Shanghai Rep Office Rm G H I 28th Flr Cross Region Plaza No 899 Lingling Road S...

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