Thyracont VSH82, Operating Instructions Manual

Page: 37 / 52

37
vsh82-de-110318
Survey of Commands:
Command Code Data Type Function
Type
T STRING read
(VSH82: VSH208)
Measurement Value M FLOAT read
Degas D, d BOOLEAN read D, write d
Setpoint
S, s FLOAT read S, write s
(VSH82: SP1 and SP2)
Gas-Correction-Factor
C, c UNSIGNED INT read C, write c
(VSH82: C1 for Pirani,
C2 for Bayard Alpert)
Mode Hot Kathode I, i BOOLEAN read I, write i
Mode
Sensor Transition W, w UNSIGNED INT read W, write w
Pressure Adjustment j FLOAT write
Examples (for address-switch in position "1"):
Action Telegram to
transducer Answer telegram
from transducer
Read type
"001Te
C
R
" "001TVSH208p
C
R
"
Read pressure measurement
"001M^
C
R
" "001M260014K
C
R
"
( 2.6x10-6 mbar)
Activate degas
"001d1f
C
R
" "001d1f
C
R
"
Deactivate degas
"001d0e
C
R
" "001d0e
C
R
"
Read setpoint 2
"001S2V
C
R
" "001S400016O
C
R
"
( 4.0x10-4 mbar)
Unlock setpoint 2
Set setpoint 2 to
4.2x10-4 mbar "001s2v
C
R
"
"001s420016q
C
R
"
"001s2v
C
R
"
"001s420016q
C
R
"
Unlock gas-correction-factor 1
Set gas-correction-factor 1
to 1.20 "001c1e
C
R
"
"001c000120W
C
R
"
"001c1e
C
R
"
"001c000120W
C
R
"
Unlock adjustment for
atmosphere pressure
Adjust on atmosphere pressure "001j1l
C
R
"
"001j100023a
C
R
"
"001j1l
C
R
"
"001j100023a
C
R
"
Before writing the parameters "c" (correction factor), "s" (setpoint) and "j"
(adjustment) you must activate them by sending the corresponding unlock
command!