explicit messaging

The MSG Control Tag on a Logix Controller: What Each Tab Writes Into It

by
Three columns headed Configuration, Communication and Tag, each listing the fields on that tab of the Message Configuration dialog next to the MESSAGE structure member the field is stored in, with a note that configuring the message once configures every rung naming the same tag

The MSG Control Tag on a Logix Controller: What Each Tab Writes Into It Line_Msg.DN came true on rung 13 of a 1756-L71 and the forty DINTs the rung was guarding still held last shift’s numbers. The bit had been set by a different message — a four-element write to a capper down on rung … Read more

Advertisement