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Dionex Easion Operator's Manual
When connected to a controlling device, the inputs can be programmed to perform
the following Dionex Easion functions:
•
Switch the injection valve position (load/inject)
•
Set the conductivity to zero (autozero)
•
Turn the pump on and off
C.1 Connecting a TTL or Relay
1. Locate the 12-position
connector plug (P/N 923686)
(see
Figure
the Dionex Easion Ship Kit
(P/N 067768).
2. Locate the twisted pair of wires
(P/N 043598) provided in the
Ship Kit of the Dionex module
you plan to connect to the
Dionex Easion.
3. Follow these basic steps to
connect the TTL or relays:
a. For each TTL or relay to be used, connect an active wire (red) and a
ground wire (black) to the 12-position connector plug at the appropriate
pin locations. For connector pin assignments, see either
label on the Dionex Easion rear panel.
To attach a wire to the plug: Strip the end of the wire (if necessary), insert
the wire into the plug, and use a screwdriver to tighten the locking screw.
(You can attach multiple ground wires to a single TTL input/output
ground pin.)
When attaching wires to the connector plug, be careful not to allow
stray strands of wire to short to the adjoining position on the
connector.
b. Plug the connector into the 12-pin connector on the Dionex Easion rear
panel.
94
C-2) provided in
Locking
Screws
Figure C-2. 12-Position Connector Plug
Figure C-1
or the
Doc. 155028-01 08/20
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