Daiichi Electronics STT2-92A Kullanım Kılavuzu - Sayfa 13

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9. Calibration

Because this product is adjusted, there is not need of calibration especially.
However, if discrepancy arises in an output in long-term use, please adjust in the next way.
Remove the terminal cover and VR cap before adjustment, and attach the VR cap and terminal cover after adjustment.
(1) For the output load, connect an actual load (within the output load range indicated on the name plate)
or a simulated load with the same resistance value as the actual load.
(2) Apply the auxiliary power supply (rated) and the input equivalent to 50% of the rated output value,
and energize for 15 minutes.
(3) Make the input of the phase angle in-phase and adjust to the output value of in-phase with BIAS
adjustment VR. Next, apply the phase angle input (30° or 45° or 90°) and adjust to the rated
output value with MAX adjustment VR.
(The screwdriver for adjustment：Tip width of 1.8 to 2.3mm, Phillips-head screwdriver or flat-blade
screwdriver)

10. Type composition

V-V Phase Angle Transducer
Type
Specification code
S T T 2 - 9 2 A - ① ② ③ ④ ⑤ ⑥
① Model
B
Model B
1
2
3
Z
⑤ Auxiliary supply
AC80 to 264V
F
DC80 to 264V
AC/DC power supply
3
DC20 to 57V
Z
Other
② Input
LEAD 30° to LAG 30°
LEAD 45° to LAG 45°
LEAD 90° to LAG 90°
Other
⑥ Output value when there is no input
1
Lower limiter output value
2
Upper limiter output value
3
Output value equivalent to in-phase input
Z
Other
③ Rated voltage
3
AC110V
2
7
AC220V
3
C
AC110/√ 3V
4
G
AC220/√ 3V
5
Z
Other
6
7
A
B
C
F
G
Z
12
④ Output (Output load range)
DC0 to 1V
(200Ω or more)
DC0 to 5V
(600Ω or more)
DC0 to 10V
(2kΩ or more)
DC1 to 5V
(600Ω or more)
DC-5 to 5V
(600Ω or more)
DC-10 to 10V (2kΩ or more)
DC0 to 1mA
(10kΩ or less)
DC0 to 5mA
(2kΩ or less)
DC0 to 10mA (1kΩ or less)
DC4 to 20mA (550Ω or less)
DC-1 to 1mA (10kΩ or less)
Other
Q-222-038