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".
R R
W E
1
O U T
2
O U T
9
F 1 5
U N
R
E R C
E R H
H
M A C
N o .
1
1 0
0
1 0
Pulling down the lever releases the terminal block
Set DIP SW-1 to OFF position
4.CALIBRATION
NO
39