F Current Output Card CSD-709-07
172
F.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 the 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 current output 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 C functions CF-30, CF-33, CF-36, and CF-39.
Hold target
established by F-18
Output target established by CF-30, CF-33, CF-36, and CF-39
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 CF-30, CF-33, CF-36, and CF-39.
For settings for hold targets, see Section 7.9, "Setting hold targets".
F.6 Checking on Problems
If an unexpected operation occurs during the use of a current output card, verify phenomena and
check-outs listed in the table below to take proper action.
Phenomenon Check-out
Current is not output
correctly.
Check whether the analog output cable is plugged in correctly.
Check whether the load resistance is within the allowable range.
Check whether the C function for the current output is correctly set.
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