Download Channel Isolated Analog-Digital Converter

Transcript
SPECIFICATIONS
1
(a) If the detected digital output value rose to or above the process alarm upper upper
limit value or fell to or below the process alarm lower lower limit value and entered
the warning output range zone, the warning output flag (process alarm)(Un\G50)
and warning output signal (X8) turn ON and the ALM LED is lit to indicate the
warning.
A warning will be output according to the following digital output values.
Digital value causing warning output
disable setting (Un\G53)
scaling value (Un\G54 to Un\G61)
3
(b) After a warning was output, when the digital output value reaches a value less
than the process alarm upper lower limit value, or a value more than the process
alarm lower upper limit value, "0" is stored in the corresponding bit of the warning
output flag (Un\G50) for the channel.
The warning output signal (X8) turns OFF, and the ALM LED turns OFF when the
digital output values in all channels get out of the warning output range.
Digital output value
Warning
occurrence
Upper upper
limit value
Upper lower
limit value
Warning output range
Warning output range outside
Included
Warning
occurrence
5
Warning cancel
Warning cancel
CH1 digital output
value
Warning cancel
Lower upper
limit value CH2 digital
output value
Lower lower
limit value
Warning
occurrence
6
Time
PROGRAMMING
CH1 process alarm upper limit value
(Un\G50.b0)
CH1 process alarm lower limit value
(Un\G50.b1)
7
CH2 process alarm upper limit value
(Un\G50.b2)
Warning output signal (X8)
(c) When time or count averaging is specified, this function is executed at intervals of
the preset averaging time or averaging count.
When any other A/D conversion system (sampling processing, moving average,
primary delay filter) is specified, this function is executed at intervals of the
sampling time.
(d) To use the scaling function, be sure to consider scale conversion before setting
the CH
4
UTILITY PACKAGE
(GX CONFIGURATORAD)
1: Enable CH
SPECIFICATIONS
digital output value (Un\G11 to Un\G18)
SETUP AND
PROCEDURES
BEFORE OPERATION
Item
Value set in scaling enable/ 0: Disable CH
2
SYSTEM
CONFIGURATION
(1) Process alarm
OVERVIEW
Warning output function
process alarm upper/lower limit value.
3.2 Function List
3.2.4 Warning output function
3 - 25
ONLINE MODULE
CHANGE
3.2.4
8
TROUBLESHOOTING
3