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Using the Front-Panel Controls 3-10
To open a relay, follow the steps given in the above section,
Closing a Relay, except in step 6 rotate the knob until line 4
(bottom line) of the display reads as shown below:
----OPERATIONS----
Slot 03: 1260-118
Channel: 4
<Set to?: Open
Then press the fourth key to open the relay.
Viewing Relay States
It is easy to view the states of the relay channels on a switch
plug-in by using the OPERATIONS menu:
1.
Press the top key next to the display. Rotate the knob until
the top line reads:
>----OPERATIONS----<
2.
Select line 2 (next to the top line) by pressing the second
key. This selects line 2:
----OPERATIONS----
>Slot 01: 1260-121A<
Channel: 0
Status: Open
3.
Rotate the knob until line 2 shows the slot number of the
plug-in you wish to view. This example uses slot 3:
----OPERATIONS----
>Slot 03: 1260-118 <
Channel: 0
Status: Open
4.
Press the third key to select line 3 of the display (channel
number). Line 4 of the display shows the state of the
channel 0 relay.
----OPERATIONS----
Slot 01: 1260-118
>Channel: 0
Status: Open
5.
Rotate the knob one "click" to the right to view the state of
the next relay channel (channel 1):
----OPERATIONS----
Slot 01: 1260-118
>Channel: 1
Status: Closed
6.
Rotate the knob right or left to scan through the channels as
desired.
Controlling a Digital Output Port
1256E User Manual
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Racal Instruments © 2002
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