- LV supply crate must be on
- MVD VME crate must be alive
- Telnet to iocondev8.phenix.bnl.gov. If it does not let you in, this
means that someone else is already logged in. The MVME162 is a 1-user
system. Rebooting the processor will disconnect the logged-in user.
(See point 10 below).
- At the -> prompt, type 'lv'
and a small menu will appear like this:
+---------------------------------------------------+
| mb n choose mother board n (n=1-4) |
| on/off m turn group m on/off (m=1-8) |
| view mvd/crate changes display of 'show' |
| show show current status |
| exit, quit,x,q exit the program |
+---------------------------------------------------+
MVD LV>>
- The first thing to do is look at the status: command 'show'
MVD LV>>show
connector A: 111111111111111111111111
connector B: 11111111
slot in the distribution board vme crate
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
--------------- ------------ ------------ ------------
TOP 1:0 3:0 5:0 7:0 0 0 0 0 0 0 0 0 0 0 0 0
BOTTOM 2:0 4:0 6:0 8:0 0 0 0 0 0 0 0 0 0 0 0 0
-------------^- ----------^- ----------^- ----------^- cards present
<-----MB1-----> <---MB2--> <---MB3--> <---MB4-->
The default display is arranged like the front of the VME crate holding the LV
distribution boards. There are 16 boards, 4 per mother board. Each board has
an LV input connector on the middle, and 2 output connectors, one on the top
and one on the bottom. The connectors for each mother board are numbered 1-8
as shown for MB1.
- To turn a group on,
first choose a mother board:
MVD LV>> mb 4
will do mother board #4
- To turn a group on (off), type 'on (off) n', where n is the group number:
MVD LV>>on 8
will turn on mb #4 group 8
MVD LV>>
connector A: 111111111111111111111111
connector B: 11111110
slot in the distribution board vme crate
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
--------------- ------------ ------------ ------------
TOP 1:0 3:0 5:0 7:0 0 0 0 0 0 0 0 0 0 0 0 0
BOTTOM 2:0 4:0 6:0 8:0 0 0 0 0 0 0 0 0 0 0 0 1
-------------^- ----------^- ----------^- ----------^- cards present
<-----MB1-----> <---MB2--> <---MB3--> <---MB4-->
You see that after the action is taken, a 'show' is done automatically. It now
shows mother board 4, group 8 is on.
- You can change the format of the display with the 'view' command:
MVD LV>>view
'view mvd' shows LV by motherboard, group
'view crate' shows LV on the front of the distribution crate
current view is: crate
MVD LV>>view mvd
mvd view
MVD LV>>show
connector A: 111111111111111111111111
connector B: 11111110
MB1 MB2 MB3 MB4
-----------------------------------------
group 1 IT 0 0 0 0
group 2 IM 0 0 0 0
group 3 IB 0 0 0 0
group 4 OB 0 0 0 0
group 5 OM 0 0 0 0
group 6 OT 0 0 0 0
group 7 PAD 0 0 0 0
group 8 MB 0 0 0 1
You can see command 'view' with no arguments shows the options, 'view mvd'
changes to the mvd view, and 'show' shows the new display. This display
emphasizes the logical structure of the MVD. Again you can see that MB4 group
8 is still on.
- For the current operation in the side room of 1008 (7 June 2000), not
all the boards are there. To turn on all the LV that is hooked up, type the
following commands:
mb 1
on 7
on 8
mb 2
on 7
on 8
mb 3
on 7
on 8
-
Note that entering or exiting the program does not change the state of the
control lines. Crashing also will not change the state, but the subsequent
rebooting the VME processor does change the state of the control lines
- all LV goes off.
The values shown are always read back from the
i/o device, and are not kept in the program memory.