Yokogawa ADMAG CA - Manual (Page 49)

IM 1E8B0-01E
6-12
6. FUNCTION AND DATA SETTINGS
6.3.9 Data Setting Enable/Inhibit
• This function can inhibit to change all data except parameter No. “ L1”.
However, auto zero adjustment function can work, if it has been set in parameter No.
“C1”.
And the preset totalization value function also can work, if it has been set in param-
eter No. “E4”.
Display Description
Code Content
00
01
INHIBIT
ENABLE
The data setting inhibit item can be set “00” in parameter number “L1”.
Default: 01
6.3.10 Procedure of Selecting Special Application Items
• Only the special apprication (“n” items) shipped being unpublished.
In case the “n” items should be used, it can be set “55” in parameter No. “L2”.
Display Description
Code Content
00
01
Accessible up to L parameters.
Accessible up to N parameters.
The “n” item can be set “55” in parameter No. “L02”.
Default: 00
6.3.11 Rate Limit
• This function is used to remove noise that cannot be removed by increasing the
damping time constant.
• In case unexpected noise from step signal or slurry is entered, a basis is set to
recognize that signal is flow rate or noise.
The recoginition depends on rate limit value (upper and lower limit) and dead time
(sampling time).
• Determination of rate limit value and dead time.
Rate limit value:
Determine the level to reduce output
fluctuation.
For example, reducing 2% or more
fluctuation by setting as 2% to
reduce. Dead time T
0
:
Please determine the dead time
depending on ouput fluctuation width.
In case of noise of which is longer
than the dead time, please set the
dead time longer.
2%
2%
T
0
T
0