ABB STT04 Instruction Manual page 175

TBN580 TRANSMITTER
Key
OUTPUT WILL BE
AFFECTED! PROCEED?
C A LI-
B R ATE
→ YES
CALIBRATION
E N TE R
→ BENCH CAL pH
INPUT SOURCE:
E N TE R
→ mV SOURCE
ENTER LO mV CAL
E N TE R
ENTER HI mV CAL
APPLY nn.nn mV
E N TE R
HIT ENTER
WHEN STABLE
APPLY nn.nn mV
E N TE R
HIT ENTER
WHEN STABLE
CALIBRATION
K - 8
Display
NO
PROCESS CAL
BENCH CAL TEMP
SAME SENSOR
NEW SENSOR
nn.nn mV
nn.nn mV
nn.nn
nn.nn
Comments
This operation will cause a change in output not cor-
responding to the input. Be sure the control loop is in
manual.
Select YES.
Select BENCH CAL pH.
Select mV SOURCE.
When selecting SAME SENSOR or NEW SENSOR,
the smart terminal branches to TEMP COMP TYPE
IN USE.
The following mV screens apply only when mV
SOURCE is selected under INPUT SOURCE.
NOTE: Positive mV corresponds to low pH values
and negative mV corresponds to high pH values.
Default values are ±414 mV.
Positive mV cal value specified on the prior screen
will be displayed. Apply low mV value. When applied,
the value shown on the smart terminal (from the
input source) will not match the specified value.
Press when the applied value stabilizes.
ENTER
Negative mV cal value specified on the prior screen
will be displayed. Apply high mV value. When
applied, the value shown on the smart terminal (from
the input source) will not match the specified value.
Press when the applied value stabilizes.
ENTER
When mV operation is complete press
READY screen will follow.
, the
ENTER