#390

Attachments to CAT Chat Minutes

March 15, 2004

W. Wesolowski

 

Programming of the 7955 times used in Oxford Cryo-Pump Controllers

Note:   Programming to be done with No Power to Rack.   For Timer 1 the desired configuration is:

No Power to Rack                                                With Rack Active Rack Active

1

Goes to this configuration when Rack Active

A. To start programming mode

Press "prog" button and hold for 3-5 seconds.   At the end of that time display will show.

2

B. To set timer relay configuration

Press "Prog" button as many times as necessary to display.

3  Press "Reset" button when you have the desired relay configuration.


C. To set time scale (hrs., mins., secs.)

Press "Prog" button as many times as necessary to display.

Prog

0

SEC

 

Press reset button when you have the desired time scale

D. To set delay time (least significant digit)

The desired setting is 180, least signficant digit can be set   by pressing "Prog" button until desired # is set, when set, press "Reset" button and display will move to next signficant digit

4

5 


6Depending on unit, least significant digit will flash or will be flashing

7 


E. To set delay time (next significant digit)

Press "Prog" button until the desired # is set, when set press "Reset" button and the display will move to the next significant digit

8

9Digit flashing

or

10symbol flashing


F. To set delay time (most significant digit)

Press "Prog" button until the desired # is set

Press "Reset" button

11

Digit flashing

or

symbols flashing

121314 

15 


G. Set trigger type [Level (LEU) or Edge (Edg)]

Press "Prog" button to display LEU

Press "Reset" button when desired trigger type is indicated

16


  1. The timer now reviews your selected setting (if changes were made)

If the selection is correct

- Press "Reset" button

17

(Time Relay Conf.)

If incorrect press "Prog" button until you have the correct selection, then press "Reset"

If selection is correct

- Press "Reset" button

18

(Time Scale)

If incorrect press "Prog" button until you have the correct selection then press "Reset" [time setting (lsd)]

If selection is correct

- Press "Reset" button

19202122

(Time setting lsd)

Flashing

          or

Flashing

          If incorrect press "Prog" button                until you have the correct                         selection, then press "reset"

If selection is correct

- Press "Reset" button

PROG

   180

SEC

OFF

DLY      23

 

24Flashing

or

25Flashing

(Time setting nsd)

If incorrect press "Prog" button until you have the correct selection -

then press "reset"


If selection is correct

-Press "Reset" button

26272829

PROG

180

SEC

OFF

DLY

30Flashing

or

Flashing

(Time Setting MSD)

If incorrect press "Prog" button until you have the correct selection, then press "Reset"

If selection is correct

- Press "Reset" button

PROG

LEU

(Trigger type)

If incorrect press "Prog" button until you have the correct selection then press "Reset"

If selection is correct

- Press "reset" button

31

180

SEC

OFF

DLY           

      O       O     

Operational state

No Rack Active

     


Timer 2 - The same sequence is now done for Timer 2.   The desired configuration is [Note - Trigger type is Edg], and desired configuration is the same Rack Active or not.

32

•  To start programming mode:

Press "Prog" button and hold for 3-5 seconds, at the end of that time display will show

3334

B. To set timer relay configuration:

Press "Prog" button as many times as necessary to display

3536

Press "Reset" button when you have the desired relay configuration.


C. To set time scale (hrs., mins., secs):

     Press "prog" button as many times necessary to display

3738

Press reset button when you have the desired time scale.

D. To set delay time (least significant digit)

The desired setting is 003, least significant digit can be set by pressing "Prog" button until desired # is set, when set press "Reset" button and display will move to next significant digit

39

4041Depending on unit, least significant digit will flash or will be flashing

42 


E. To set delay time (next significant digit)

Press "Prog" button until the desired # is set, when set press "Reset" button and the display will move to the next significant digit

43

Digit flashing

or

44symbol flashing

45



F. To set delay time (most significant digit)

Press "Prog" button until the desired # is set

Press "Reset" button

46

Digit flashing

or

Symbols flashing

G. Set trigger type [Level (LEU) or Edge (Edg)]

Press "Prog" button to display Edg

Press "Reset" button when desired trigger type is indicated

47


H. The timer now reviews your selected setting (if changes were made)

If the selection is correct

-Press "Reset" button

PROG

ss

48

(Timer relay Conf.)

If incorrect press "Prog" button until you have the correct selection then press "Reset"(time scale)

If selection is correct

- Press "Reset" button

PROG

0

SEC

If incorrect press "Prog" button until you have the correct selection then press "Reset" [time setting (lsd)]

If selection is correct

- Press "reset" button

49

PROG

003

SEC

ss

50

51525354

PROG

003

SEC

ss

Flashing

Or

Flashing

In incorrect press "Prog" button until you have the correct selection, then press "Reset"

Flashing

or

Flashing

If selection is correct

- Press "Reset" button

 

If incorrect press "Prog" button until you have correct selection - then press "Reset"


If the selection is correct

-Press "Reset" button

5556575859

PROG

003

SEC

ss

Flashing

or

Flashing

(Time Setting MSD)

If incorrect, press "Prog" button until you have the correct selection, then press "Reset"

If selection is correct

- Press "Reset" button

PROG

  Edg

(Trigger type)

If incorrect press "Prog" button until you have correct selection, then press "Reset"

 

60

3

SEC

ss

      O       O     

Operational state

(Rack active or not)