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SPI-SP10T-63

J1 to J10

SPI-SP10T-63 (Switch 1)

Control in

Control out

J1 to J10

SPI-SP10T-63 (Switch 2)

J1 to J10

SPI-SP10T-63 (Switch 3)

J1 to J10

SPI-SP10T-63 (Switch 50)

Control in

Control out

Control in

Control out

Control in

Control out

SPI

Power

SPI

Power

SPI

Power

COM

COM

COM

COM

24V DC

power supply

SPI

Master

Figure 2: Connection diagram for multiple units in series

A0(SW3)

LE

Clock

Data

A1(SW3)

A2(SW3)

A3(SW3)

A0(SW2)

A1(SW2)

A2(SW2)

A3(SW2)

A0(SW1)

A1(SW1)

A2(SW1)

A3(SW1)

Command for Switch 1

Command for Switch 2

Command for Switch 3

Figure 3: Serial Interface Timing Diagram for 3 units in series

Figure 4: Example of command for 3 switches in series

1

LE

Clock

Data

0

0

0

0

0

1

1

0

1

0

1

Set Switch 3 to COM->1 state

Set Switch 2 to COM->8 state

Set Switch 1 to COM->4 state

Control Interface (Daisy Chain)