Rockwell Automation 1751 SynchLink Base Block Installation Instructions - Manual (Page 7)

SynchLink Base Block 7
Publication 1751-IN001A-EN-P - March 2001
2. Pre-wire the removable connector plug as shown on the base block label.
The wire length between the 24V dc power supply and the base block must
be less than 3m.
3. Insert the removable connector plug into the mating connector receptacle on
the base block.
4. Screw the removable connector to the base block with the left and right
mounting screws.
Connect To pin
+24V dc 4
24V dc Common 3
Pins 1 and 2 are not connected.
IMPORTANT
Do not connect 24V dc Common to Chassis Ground.
IMPORTANT
Make sure the base block and splitter blocks are
attached and secured prior to applying power to the
base block. Failure to do so may cause damage to the
base block and companion blocks.
Pin 1 Pin 2 Pin 3 Pin 4
Power Supply and digital Input Connector
(front view)
31248-M
Pin 4 Pin 3 Pin 2 Pin 1
Connector receptacle on base (front view)
31249a-M