4.CALIBRATION
39
4-3. Preparation for Calibration
4-3-1. LOCK Release
F159 provides two types of LOCK features to avoid unauthorized or accidental
alteration of calibration and setting values. The Soft LOCK is enabled by setting
a bit in a register, and hardware LOCK is activated by setting a DIP switch. The
user must disable both of the LOCK features before trying to perform calibration
procedures.
1.Remove the terminal block
(F159 must be turned off before terminal block removal)
2.Set DIP switch 1 to OFF position
3.Turn on F159 and set Soft LOCK bit (13th bit of n CH) to “0”.
B1
A1
MA
C H
No.
10
1
10
0
R
F 159
UN
E R C
E R H
W E
R R
OU
T 1
OU
T 2
Pulling down the lever releases the terminal block
NO
1234
㧹㧭㧯㧴
㧺㧜㧚
㧝㧜
㧝
㧝㧜
㧜
㨃㧱㧾㧾
㧻㨁㨀㧝
㧻㨁㨀㧞
㧾㨁㧺
㧱㧾㧯
㧱㧾㧴
㧲㧝㧡㧥
Set DIP SW-1 to OFF position