Calibration; Autostroke Calibration; Calibration Flowchart (Tzid/Azh - ABB STT04 Instruction Manual

CALIBRATION

M A N UA L
R A N G E
A D JU S TM E N T
C
A
AU TO S T R O K E
L
C A LIB R ATIO N
I
B
R
L E V E L
A
Z E R O
T
P O S ITIO N
E
S P R IN G
AC T IO N
AC T UATO R

Autostroke Calibration

Key
MANUAL RANGE ADJUST
C A LI-
LEVER ZERO POSITION
B R ATE
SPRING ACTION ACTUA
This section details the TZID/AZH positioner calibration functions
using an STT04 terminal.
NOTE: When calibrating, a field device must be connected to the
STT04 terminal.
Refer to Figure M-2
E N T E R
LE V E R
R A N G E
S E L E C T
AU TO S TR O K E
T Y P E
D IR E C TIO N
O F
R OTAT IO N
D IR E C TIO N
O F
R OTAT IO N
Figure M-2. Calibration Flowchart (TZID/AZH)
The Autostroke function determines:
Valve range.
•
Controller settings.
•
Display
→AUTOSTROKE
TZID/AZH POSITIONER
for an overview of the calibration functions.
M IN IM U M M A X IM U M
R A N G E R A N G E
VA L U E VA LU E
S AV E
C H A N G E S
S AV E
C H A N G E S
S AV E
C H A N G E S
Comments
Select AUTOSTROKE.
Run autostroke after mounting, after changes to the
mechanical link, or when the controlled system has
been modified.
S AV E
C H A N G E S
C A LIB R ATIO N
C O M P L E T E
T 0 24 2 7A
CALIBRATION
M - 5