Siemens simatic c7-621 Hardware Installation Manual page 115

ESD Precautions The following figure once again illustrates the precautions for handling
electrostatically sensitive devices.
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
Guidelines for Handling Electrostatically Sensitive Devices (ESD)
a Conductive flooring material
b Table with conductive, grounded surface
c ESD footwear
d ESD smock
e Grounded ESD wristband
f Grounded of switchgear closet
g Grounded chair
b
a
d
e
g
c
f
B-5