FY303 - Operation, Maintenance and Instructions Manual
1.8
Spur
Terminator
Spur
Spur
Shield
Junction
Box
+
+
+
+
-
Analog
Ground
+
-
Figure 1.7 - Bus Topology
Analog
Ground
+
-
+
-
Coupler
+
+
+
+
Terminator
Enabled
Junction
Box
Figure 1.8 - Tree Topology
Intrinsic Safety Barrier
When the Fieldbus is in an area requiring intrinsic safety, a barrier must be inserted on the trunk
between the power supply and the DP/PA coupler, when it is Non-Ex type.
Use of
SB302
is recommended.
Jumper Configuration
In order to work properly, the jumpers J1 and W1 located in the
FY303
main board must be correctly
configured.
J1
This jumper enables the simulation mode parameter in the AO block.
W1
This jumper enables the local adjustment programming tree.
Содержание fy303
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