Siemens 7MB1420, Инструкция по эксплуатации, Страница: 65 / 74

Adjustment and calibration functions
K
K
Iden-
tifier
Value
1 Basic temperature
(Temperature 0)
(Value 2 - Value 0)
2
*
1000
(Temp. 2 – Temp. 0)
(Value 0 - Value 1)
3
*
1000
(Temp. 0 – Temp. 1)
Iden- Setpoint
tifier
1 Temperature of analyzer section with
average ambient temperature (in ˚C;
see function 60, identifier 2)
2 Change in display with increase in
temperature
3 Change in display with reduction in
temperature
Procedure
1. Calibrate sensitivity at basic
temperature (function 8)
2. Switch on measuring range matching
the calibration gas used
3. Select function 73 and enter a value of
zero for identifiers 2 and 3
4. Measure (see example)
5. Enter identifier and setpoints under
function 73
*** 73 Compensation of temperature influence on
measured value
CL
7 3
Identifier value
n
Example:
Value 1 with
Temp. 1 < Temp. 0
Value 0 with Temp. 0
Value 2 with
Temp. 2 > Temp. 0
Zero at average
ambient temperature
(e. g. 25 ˚C)
Value 0, 1, 2 is the measured value
A-29