Datalogic GRYPHON Dx30 Reference Manual

Also see for Gryphon DX30: Reference manual Quick reference guide

Contents

GRYPHON™ Dx30/Mx3055.1.2 ACK/NACK ProtocolGRYPHON™ Dx30 ReadersThis parameter sets a transmission protocol in which the Host responds to the readerafter every code transmitted. The Host sends an ACK character (06 HEX) in the caseof good reception or the NACK character (15 HEX) requesting re-transmission, in thecase of bad reception.Gryphon™ D HostACK or NACKdatacableACK/NACK enabledIf the reader does not receive an ACK or NACK, transmission is ended after the RXTimeout (see par. 5.1.4).When ACK/NACK protocol is enabled, FIFO must be disabled manually, see par.5.1.3.GRYPHON™ Mx30 ReadersThe transmission protocol takes place between reader, cradle and Host. The readerpasses its data (code read) to the cradle which sends it to the Host.In the following descriptions the completed transmission is indicated by the BeeperControl for Radio Response parameter with its default setting to Normal, see par.5.7.3.When ACK/NACK is disabled, there is no control from cradle to Host transmission,the reader responds with the good reception tone.HostdatacableGRYPHON™ Mdatagood RXbeepOM-GRYPHON™ACK/NACK disabled136