G BCD Card CSD-709-15/CSD-709-16
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G.5 Output Operation in Hold Mode
You can set whether any of the following three hold targets should be held using function F-18.
Data display in the load window
Result of comparison with comparator
Output of load via optional device (voltage output card, current output card, BCD card, serial
interface card, or CC-Link card)
In case a BCD card is used, the output takes the following styles in the hold condition depending on
the settings: execution/non-execution of hold determined by function F-18 and output targets
established by functions F-31.
Hold target
established by F-18
Output target established by F-31
Display interlock Track Peak
Data display in the load
window
The value held is
output.
The value is not held. The value is not held.
Option
The value held is
output.
The value held is
output.
The value held is
output.
Whether the comparator’s comparison result set to the second digit of F-18 is held will not affect the
output targets established by F-31.
For settings for hold targets, see Section 7.9, "Setting hold targets".
G.6 Checking on Problems
If an unexpected operation occurs during the use of a BCD card, verify phenomena and check-outs
listed in the table below to take proper action.
Phenomenon Check-out
Communications are not
established.
Check whether the BCD cable is plugged in correctly.
Check the output logic setting.
Intended value is not output. Check the output target setting.
BCD output is not changed. The output has been set as the hold target.
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