3
SPECIFICATIONS
3.4 Buffer Memory
3.4.19 CH[ ] process alarm upper/lower limit value (Un\G86 to Un\G117)
3 - 68
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
(3) The setting range is 0 to 3276.7 seconds (0 to 54 minutes and 36.7 seconds)
[0 to 32767].
Set the time in 100ms increments.
(4) The default is set to 3 seconds [30].
(5) Refer to Section 3.2.5 for details of the conversion starting time setting function.
If a value outside the above setting range is written to a channel, an error occurs,
and an error code is stored into the Error code (Un\G19). In this case, the opera-
tion is performed based on the setting before the error detection.
3.4.19 CH
[ ]
process alarm upper/lower limit value (Un\G86 to
Un\G117)
(1) For each channel, set a range of digital output values.
(2) To validate the setting, the operating condition setting request (Y9) must be turned
ON/OFF. (Refer to Section 3.3.2.)
(3) The setting range is -32768 to 32767.
(4) Make four kinds of settings: process alarm upper upper limit value, upper lower limit
value, lower upper limit value and lower lower limit value.
(5) Refer to Section 3.2.4 for details of the process alarm.
(1) If a value outside the above setting range is set or if a value that does not
satisfy the condition of "lower lower limit value lower upper limit value
upper lower limit value upper upper limit value" is set, it results in an error.
An error code is stored into the Error code (Un\G19), the Error flag (XF) turns
ON, and operation is performed based on the setting before the error
detection.
(2) Since the default setting is 0, change the setting.
(3) When "Enable" is set in the Scaling enable/disable setting (Un\G53), always
take into account the scaling conversion before setting values.
Example) When setting the A/D conversion starting time to 5 seconds, store 50
into the buffer memory.
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