Appendix
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39
Explanation of the Set-Up Options for an Information Object
WAGO-I/O-SYSTEM 750
Telecontrol Quick-Start Manual
4.3 Explanation of the Set-Up Options for an Information
Object
Fig. 42: Information object settings
Address Info Object [A|01|..2|..3]:
Is the message address, which can be up to 3 bytes long
Repeat Time:
Is the time when the master polls the se message in order to check whether it
is still working and what the current value is.
SPI (BOOL) = single point information:
Specifies the function variable.
BL (BOOL) = Blocked / Not blocked:
The value of the information object is blocked for the transmission; the value
retains the state that was detected before it was blocked. A block may be
applied and removed by a local interlock or automatic system, for example.
SB (BOOL) = Substituted / Not substituted:
The value of the information object is specified by an operator's input (load
distributor) or by an automatic system.
NT (BOOL) = Not Topical / Topical:
A value is topical when the most recent update was successful. It is not topical
if it has not been updated or made available in a defined time period.
IV (BOOL) = A value is valid when it has been correctly measured. If the
measuring function detects abnormal conditions at the information source
(missing or non-functional measuring units), the value is identified as being
invalid. The value of the information object is not defined under these
Содержание 750-872
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