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7 Preparing for System Operation

After the initial trip test has been accomplished, and the OSSD safety outputs and EDM connections have been made to the

machine to be controlled, the EZ-SCREEN LPM is ready for testing in combination with the guarded machine.
The operation of the EZ-SCREEN LPM with the guarded machine must be verified before the combined System and

machine may be put into service. To do this, a Qualified Person must perform the Commissioning Checkout Procedure (see

Commissioning Checkout

(p. 50)).

7.1 Commissioning Checkout

WARNING:

• Do not use the system until the checkouts are verified
• Attempts to use the guarded/controlled machine before these checks are verified could result in

serious injury or death.

• If all these checks cannot be verified, do not attempt to use the safety system that includes the

Banner device and the guarded/controlled machine until the defect or problem has been
corrected.

Perform this checkout procedure as part of the System installation after the System has been interfaced to the guarded

machine, or whenever changes are made to the System (either a new configuration of the EZ-SCREEN LPM or changes to

the machine). A Qualified Person must perform the procedure. Checkout results should be recorded and kept on or near the

guarded machine as required by applicable standards.
To prepare the System for this checkout:

1. Examine the guarded machine to verify that it is of a type and design compatible with the EZ-SCREEN LPM System.

See for a list of appropriate and inappropriate applications.

2. Verify that the EZ-SCREEN LPM is configured for the intended application.
3. Verify that the safety distance (minimum distance) from the closest danger point of the guarded machine to the

defined area is not less than the calculated distance, per

Calculating the Safety Distance (Minimum Distance)

(p. 19).

4. Verify that:

• Access to any dangerous parts of the guarded machine is not possible from any direction not protected by

the EZ-SCREEN LPM System, hard (fixed) guarding, or supplemental safeguarding, and

• It is not possible for a person to stand between the defined area and the dangerous parts of the machine, or
• Supplemental safeguarding and hard (fixed) guarding, as described by the appropriate safety standards, are

in place and functioning properly in any space (between the defined area and any hazard) which is large
enough to allow a person to stand undetected by the EZ-SCREEN LPM.

5. If used, verify that all reset switches are mounted outside and in full view of the guarded area, out of reach of

anyone inside the guarded area, and that means of preventing inadvertent use is in place.

6. Examine the electrical wiring connections between the EZ-SCREEN LPM OSSD outputs and the guarded machine’s

control elements to verify that the wiring meets the requirements stated in

Electrical Connections to the Guarded

Machine

(p. 42).

7. Inspect the area near the defined area (including work pieces and the guarded machine) for reflective surfaces (see

Adjacent Reflective Surfaces

(p. 23)). Remove the reflective surfaces if possible by relocating them, painting,

masking or roughening them. Remaining problem reflections will become apparent during the Trip Test.

8. Verify that power to the guarded machine is Off. Remove all obstructions from the defined area. Apply power to the