TCNM-ACBB1 FunctionRXTXSGNDAuxiliary Interface Receive DataAuxiliary Interface Transmit DataAuxiliary Interface ReferenceRX TXReferenceUSER INTERFACEFigure 27. RS232 Auxiliary Interface ConnectionsNote: Do not connect the Auxiliary Interface to the TCNM-ACBB1 spring clamp connectors and the 9-pinconnector simultaneously.3.7.6 InputsThere are two opto-isolated polarity insensitive inputs available on the reader: Input 1 (External Trigger) and Input 2, ageneric input.The External Trigger can be used in One Shot Mode or in Phase Mode. Its main functions are:• Acquisition trigger in One Shot Mode• Reading phase-ON/reading phase-OFF command in Phase ModeThe main functions of the general purpose Input 2 are:• Second external trigger in Phase Mode• Match code storage command when the Match Code option is enabledThe electrical features of both inputs are:VAB = 30 V dc maximumIIN = 10 mA (reader) + 12 mA (TCNM-ACBB1) maximumThe active state of these inputs are selected in software.An anti-disturbance filter, by default, is implemented in software on both inputs. The value can be changed through thesoftware parameter Debounce Filter. See the Help On Line page of the Reading Phase step (Inputs) in Barcode Manager forfurther details on these parameters.These inputs are opto-isolated and can be driven by both NPN and PNP type commands.Note: Polarity insensitive inputs assure full functionality even if pins A and B are exchanged.The connections are indicated in the following diagrams:ABR 7000 Series Barcode Readerwww.bannerengineering.com - Tel: + 1 888 373 6767 29
