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Connecting Products
to SynchLink
24V dc
common
+24V dc
The ControlLogix SynchLink module, ControlLogix Drive modules and
PowerFlex 700S drives connect to SynchLink through special
SynchLink fiber optic cables and other components, such as base
blocks, splitter blocks and bypass switch blocks.
SynchLink Hub
The SynchLink hub is a modular fiber repeater containing base and
splitter blocks, as shown in Figure 3.1. The base block (1751-SLBA)
converts optical signals coming from a SynchLink node to electrical
signals, and then retimes and retransmits them simultaneously to a
maximum of four 4-port splitter blocks. The base block requires 24V
dc. It supplies power to the splitter blocks.
The 4-port splitter block (1751-SL4SP) converts electrical signals
coming from the base block to optical signals and retransmits them
simultaneously through four output ports. Up to four splitter blocks
can be mounted on a DIN rail and plugged together with one base
block.
Figure 3.1
1751-SLBA
SynchLink Hub Wiring Diagram
Figure 3.2 shows how to wire a SynchLink hub.
Figure 3.2
1751-SLBA
24V dc
power
supply
1751-SL4SP
1751-SL4SP
From time
To time slaves
master
43178
1751-SL4SP
43269
Publication 1756-TD008A-EN-P - August 2002
3-7
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