Installation
Input/Output Ports
You can use the input and output contacts found on the rear panel of the liquid handler to control peripheral devices. Refer to the diagram on page
Contact inputs
The input terminal block of the liquid handler has eight contacts. All of the inputs are paired, and each pair includes a GROUND reference (
).
The contact input pairs are labeled A, B, C, and D.
A contact is connected if it has a short across the input or is held low by a TTL output or other device.
Never connect voltages higher than 5V DC to an input. When using TTL signals, be sure to match GROUND connections.
Contact outputs
The output terminal block has 10 contacts.
Pins 1 and 2 supply a +24V DC output. Do not use this output unless the receiving device can accept 24V power.
Pins 3 through 10 are paired,
Items you’ll need
To make connections, you’ll need the following:
•
•wire insulation stripper
•
You can purchase a
2
Electrical Connections