The TSX DEY 64D2K module comprises 64 x 24 VDC type 1 inputs.
This module is fitted with 4 male HE10 connectors:
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connector A for inputs 0 to 15;
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connector B for inputs 16 to 31;
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connector C for inputs 32 to 47;
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connector D for inputs 48 to 63.
The circuit diagram for an input is shown below.
The following diagram shows the connection of the module to the sensors.
FU1
0.5 A quick-blow fuse 
