Emerson Process Management ControlWave EFM 3808 - Manual (Page 300)

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ESDS Manual
#S14006
4/15/92
Note: If a system checker is not available, use an ohmmeter connected to the cable
ends to measure its resistance. The ohmmeter reading should be 1 megohm +/-
15%. Be sure that the calibration date of the ohmmeter has not expired. If the
ohmmeter reading exceeds 1 megohm by +/- 15%, replace the ground cord with a
new one.
4. Static-safe Field Procedure
(1) On reaching the work location, unfold and lay out the work surface on a convenient
surface (table or floor). Omit this step if the table or floor has a built-in ESD-safe work
surface.
(2) Attach the ground cord to the work surface via the snap fasteners and attach the
other end of the ground cord to a reliable ground using an alligator clip.
(3) Note which boards or components are to be inserted or replaced.
(4) Power-down the system following the recommended power-down procedure.
(5) Slip on a known-good wristband, which should fit snugly; an extremely loose fit is not
desirable.
(6) Snap the ground cord to the wristband. Attach the other end of the ground cord to
a reliable ground using the alligator clip.