1. System Installation Requirements
1-22
TI 33Q01J10-01E
Grounding Circuit
It is recommended that you ground each cabinet and console type HIS separately. If separate
grounding is not feasible, refer to “Grounding Grouped Cabinets” or “Grounding side-by-side
Cabinets.” When providing lightning arresters on power and signal lines, those arresters need to
be grounded to the same bus. For details, see Section 1.5, “Noise Countermeasures.”
Separate Grounding
Each cabinet should be grounded as shown below:
Grounding with a ground resistance of 100 ohms or less and a grounding bus of 22 mm
2
or
thicker.
F010402.ai
G
Cabinet
/Console Type
HIS
G
Cabinet
/Console Type
HIS
G
Cabinet
/Console Type
HIS
100 ohms or less
Ground bus
100 ohms or less
Ground bus
100 ohms or less
Ground bus
"G" indicates the ground bar.
G
Printer Unit
100 ohms or less
Ground bus
Figure Separate Cabinet/Console Type HIS Grounding
May 18, 2007-00
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