3. Cabling
3-86
TI 33Q01J10-01E
Use a Type A cable for the connection between the ACF11 and the marshalling rack (shown in
dotted box in the figure below), in which the shield of the cable from the field is connected to the
ground terminal.
Connect the shield of the Type A cable of the FCU side (inside the cabinet) to the cabinet internal
ground bar. If it is necessary to separate the shield ground from the other ground, disconnect
the wire between the cabinet internal shield ground bar and FCU ground bar, and ground them
separately.
Arrestor etc.
ACF11
F030728.ai
FCU
10 ohms or less recommended or 100 ohms or less
When there is no arrester.
To ACF11
Type A cable
Type A cable
To AAM11, AAM21 modules etc.
To FCU ground bar
To AAM11, AAM21 modules etc.
To FCU ground bar
Ground bar for connecting wire to ground
Connection to ground bar
Type A cable shield connection
Terminator
Clamp filter
(Mount it always, regardless
of CE Marking regulation.)
Cabinet internal shield ground bar
(With an insulated board)
Figure Connecting Fieldbus Cable with Fieldbus Communication Module ACF11
Feb. 1, 2009-00
