2
SECTION 2: EXPRESS START UP PROCEDURE
The following instructions define the minimum steps necessary to make your
Operator Interface Terminal operational with the recommended power supply.
CAUTION:
Always disconnect the power to the unit and be certain that the "DC ON"
LED, located on the power supply, is OFF before connecting or discon-
necting the interface cable leads. FAILURE TO DO THIS MAY DAMAGE
THE TERMINAL.
1.
Check to see that the control used is compatible with the terminal. Refer
to Section 6 for a list of controls.
2.
Program the control to accept and display keypresses from the terminal.
Refer to Sections 6, 7 and Appendix A.
3.
Install/mount the ELTERM 24 and power supply. See Section 3.1 for panel
cutout and mounting information.
3.
Connect the AC power source to the AC input terminals on the power
supply, see Section 3.2 for connections. Verify the output power is 24VDC
(between -V and +V) and adjust as necessary using the V.ADJ potenti-
ometer. Once output voltage is adjusted correctly disconnect AC input.
4.
Wire the Terminal per the "Connections" description in Section 3.2.
5.
Apply the AC power source to the AC input terminals .
NOTES:
Turning the V.ADJ potentiometer clockwise increases the output voltage,
counterclockwise decreases the output voltage. Adjustment range is
±
10% of the nominal output voltage.
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