[Dsg-halla_magnets] 8/3 Meeting at 11

[Brian Eng]

Notes from switching the output type for the liquid level monitor of which drawings will need to be updated.


Drawing 220
LM-510-12
9 pin d-subs both need to be changed to use pins 3 & 5
Cable #220-01 and #220-02
3 = red, 5 = black

CCR-TS-04 stays as-is.

Cables #220-03 and #220-04 were replaced with 20 ft cable of the same type as previously used.

Cable #220-03 and #220-04 needs to go to 221 dataforth ch 1 and 2
Red = 3 +IN
Black = 2 -IN

Drawing 221
Need to install SCM5B31-03D modules in channel 1 and 2
+/- 10 V in and out

Drawing 221 and 308
Cable #221-09 goes to PLC-TS-08
BL/WT 9-1
WT/BL 9-2
OR/WT 10-1
WT/OR 10-2

Change PLC module to voltage instead of current

On Aug 3, 2022, at 11:40 AM, Steven Lassiter <lassiter at jlab.org> wrote:
> 
> The Liquid levels inputs have been changed from, 4-20mA to 0-10V signals. A8:ch8 for Helium and A8:ch9 for the LN2. Fine tuning will occur once the probes are cold and when filling can occur.