At line 41 added 1 line. |
+ Further Information can be found here: [LdmWiki:HelioxVT] |
At line 43 added 1 line. |
+ !!Sea/SICS Commands |
Line 45 was replaced by line 47 |
- __sea_commands__ |
+ !condense |
Line 47 was replaced by lines 49-50 |
- ''tt controlmode <n>'' ...sets control channel of loop 1 to B (n=0) or D (n=01) |
+ * disable the sample heater |
+ {{ts set 0}} |
Line 49 was replaced by lines 52-53 |
- ''tt set2 <n.n>'' ... setpoint of loop 2 in K |
+ * set the sorb heater loop to regulate the sorb (channel C) |
+ {{ts setsorb/channel C}} |
Line 51 was replaced by lines 55-56 |
- ''tt send pid n:P,I,D'' ... set PID values of loop n (1 or 2) |
+ * set the sorb heater to 30 K |
+ {{ts setsorb 30}} |
Lines 53-55 were replaced by lines 58-59 |
- ''tt send cset n:<channel>,<unit>,<off/on>,<power enable>'' ...sets the channel (A,B,C,D) |
- which will be used by loop <n> |
- (e.g. tt send cset 2:D,1,1 sets loop 2 to control the 3He-pot heater |
+ * wait 15 min, then disable sorb heating |
+ {{ts setsorb 0}} |
Line 57 was replaced by line 61 |
- ''tt send pid?n'' query PID settings of loop n |
+ !regulate at temperatures below ~2 K |
Line 59 was replaced by lines 63-64 |
- ''tt send cset?n'' query control settings of loop n |
+ * disable the sample heater |
+ {{ts set 0}} |
At line 60 added 28 lines. |
+ * set the sorb heater loop to regulate the samlow sensor (channel B) |
+ {{ts setsorb/channel B}} |
+ |
+ * regulate at 0.5 K |
+ {{ts setsorb 0.5}} |
+ |
+ * when oszillating, you might need to reduce the prop parameter from the default value 500 to e.g. 100 |
+ {{ts setsorb/prop 100}} |
+ |
+ |
+ |
+ !regulate in T range 2 K < T < 20 K |
+ |
+ set the sorb heater loop to regulate the sorb (channel C) |
+ {{ts setsorb/channel C}} |
+ |
+ * regulate the sorb at an intermediate T (15 K) |
+ {{ts setsorb 15}} |
+ |
+ * regulate at 4.5 K |
+ |
+ {{ts set 4.5}} |
+ |
+ !higher temperatures and warmup (e.g. 80 K) |
+ |
+ {{tt set 80}} |
+ |
+ For a more precise control {{tt set}} might be set to value slightly lower the the desired T, and {{ts set}} to the desired target. |