This parameter sets the maximum number of class one polls performed on this session before switching to another session. This parameter prevents a session from monopolizing the communication port.This parameter sets the minimum number of milliseconds to delay between class 1 polls for pending data.This parameter sets the minimum number of milliseconds to delay between class 2 polls for pending data.This parameter sets the common ASDU address to association with this sector of the specified session. This parameter is usually set the same as the data link address when only one sector is utilized.
This parameter specifies
if the sector in the controlled device will be sent a time synchronization command when the unit is first recognized as being online. This should only be utilized for devices that do not send an EOI message after initializing. Online General Int: Y or N This parameter specifies if the sector in the controlled device will be sent a general interrogation command when the unit is first recognized as being online. This should only be utilized for devices that do not send an EOI message after initializing. EOI Time Sync: Y or N This parameter specifies if the sector in the controlled device will be sent a time synchronization command after this module received an EOI message from the controlled unit.
Module Data
All data related to the MVI71-103M module is stored in a user defined data files. It is the responsibility of the ladder logic programmer to construct all the data files required by the program and to write the ladder logic required to interface to these files. Status Data When the side-connect interface is employed in the application, the status data is automatically transferred from the module to the first file used by the interface. The data is placed at an offset of 0 in the file and has the format shown in the Reference chapter.When the block transfer interface is used, the status data is transferred to the module in blocks with identification codes of 0 and -1. Data in these blocks should be moved to a user data file. The format of the data passed to the PLC is shown in the Reference chapter with the data starting at word 2 in the BTR block.
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