ABB 57310255-AX DSRF 181A Pulse output card

This parameter is used if the Enable Code field is set to a value of 1. It sets the minimum number of seconds to delay between successive execution of the command. 4 Session This parameter is utilized to associate the command with one of the sessions defined for the module. 5 Sector This parameter is used to associate the command with the proper sector of the selected session. 6 Data Type This parameter is used to set the ASDU data type to be used with the message. The codes specified are those defined for the IEC-870-5- 103 protocol. The following is a listing of command control data types supported in this module:The type 0 is not defined in the protocol specification but is added to the module application to perform special commands. The command to be issued is determined by the value of the function field. If the function is set to 1, the module will issue a reset process command to the session specified. If the function is set to 2, the module will issue. a class 2 poll to the selected session.

Function Code 

This parameter specifies the function code as specified in the protocol specification except when Data Type code 0 is used. For the general commands, this field is used in conjunction with the Point Index to determine the point to control in the remote slave device. For the special commands, a value of 1 is used to perform a reset process and 2 to issue a class 2 poll. 8 Point Index This parameter along with the Function Code determines the point to control in the remote device when the general command is utilized. For all other commands this field is ignored.

Override Flag 

This field is used to with general commands to determine if the override or database value should be used with the command. If the flag is set to 0, the value in the module's database will be sent when the command is issued. If the flag is set to 1 (or non-zero value), the value set in the Override Value will be sent with the command. When the override flag and value are utilized, the Enable Code 2 and Database Index can be used to trigger the execution of the command. 10 Override Value This parameter specifies the override value to use with the command if the Override Flag is set. This value should have one of the following values: 1=Off and 2=On. Other values may be valid for certain controlled devices.

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