3
SPECIFICATIONS
3.2 Function List
3.2.3 Input signal error detection function
3 - 20
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
SETUP AND
PROCEDURES
BEFORE OPERATION
5
UTILITY PACKAGE
(GX CONFIGURATOR-
AD)
6
PROGRAMMING
7
ONLINE MODULE
CHANGE
8
TROUBLESHOOTING
(7) How to set an input signal error detection upper/lower limit values
Set input signal error detection upper/lower limit values based on the input signal error
detection setting value (input signal error detection upper/lower limit setting values).
(Set the values in the unit of 1 (0.1%)).
The input signal error detection setting value is reflected to both the input signal error
detection upper and lower limit values by default.
To detect input signal errors using only an upper limit value or lower limit value, or to
individually set an upper limit value and a lower limit value, refer to (9) in this section.
(a) Input signal error detection upper limit value
This value is calculated as follows:
Gain value + {Full input range (Gain value - Offset value)
× Input signal error
detection setting value (Input signal error detection upper limit setting value)}
A value equal to or greater than the gain value can be set.
A setting value (%) can be calculated by the following formula.
(b) Input signal error detection lower limit value
This value is calculated as follows:
Lower limit value of the input range - {Full input range (Gain value - Offset value)
×
Input signal error detection setting value (Input signal error detection lower limit
setting value)}
A value equal to or smaller than the lower limit value of the input range can be set.
A setting value (%) can be calculated by the following formula.
=
Input signal error detection
setting value
(Input signal error detection
upper limit setting value)
Gain value of each range-
Input signal error detection
upper limit value
Gain value of each range - Offset value of each range
1000
=
Input signal error detection
setting value
(Input signal error detection
lower limit setting value)
Input signal error detection
lower limit value
-
Lower limit value of each
range
Gain value of each range - Offset value of each range
1000
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