Figure 2.3.1:
USB-I/O-4D2R connections
2.3.2
USB-I/O-16D8R:
2.3.2.1
Setting digital connections:
a. Set the I/O voltage selector switch to the desired voltage LVTTL (3.3V) or TTL
(5V).
b. Connect the digital devices to the wire ends of FCBL-26-1+ or to similar IDC cable
and connect the cable's IDC connector to the IDC connector in the front of the
control box (note current limits specified per byte and per individual line).
c. If Relay outputs are required, connect them before connecting the USB cable -
otherwise use the supplied USB-CBL-AB-3+ cable (or similar) to connect the
control box's USB socket to the computer's USB bus (note the LED indicator color
matches your selected voltage, red=5V, yellow=3.3V).
2.3.2.2
Setting digital connections:
a. Insure the power sources you are going to use are turned off.
b. Connect the Analog devices to the wire ends of FCBL-34-1+ or to similar IDC
cable and connect the cable's IDC connector to the IDC connector in the rear of
the control box. Note that when unpowered, the relays pass current between the
Common and Normally Closed contacts of each relay.
c. Use the supplied USB-CBL-AB-3+ cable (or similar)to connect the control box's
USB socket to the computer's USB bus.
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AN-49-004 Rev.: A (November 26, 2014) M149081 (R88277) File: AN-49-004(A).doc
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