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ABR 3000 Series Barcode Reader
Shielded cables are recommended. The overall maximum cable length must be less than 15 m (49.2 ft).
RS422 Full-Duplex Interface
The RS422 full-duplex (5 wires + shield) interface is used for non-polled communication protocols in point-to-point
connections over longer distances (maximum 1200 m / 3940 ft) than those acceptable for RS232 communications or in
electrically noisy environments.
The TCNM-ACBB1 pinout follows:
TCNM-ACBB1
TX+
RX+
TX-
RX-
SGND
Note: For applications that do not use RS422 transmission to the reader (terminal block RX+ and RX-
signals), do not leave these lines floating but connect them to SGND.
3.8.3 User Interface—Serial Host
The following table contains the pinout for standard RS232 PC Host interface. For other user interface types please refer to
their own manual.
9-pin male connector
Pin
2
3
5
3.8.4 Inputs
There are two opto-isolated, polarity insensitive inputs available through the TCNM-ACBB1 that require PNP input signals
to use with an ABR 3000: Input 1 (External Trigger) and Input 2, a generic 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 Mode
The 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 enabled
The electrical features of both inputs are:
V
= 30 V dc maximum
AB
I
= 10 mA (reader) + 12 mA (TCNM-ACBB1) maximum
IN
The 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 the
software parameter Debounce Filter. See the Help On Line page of the Reading Phase step (Inputs) in Barcode Manager for
further details on these parameters.
22
RS232 PC-Side Connections
1
5
6
9
Name
RX
TX
GND
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Function
RS422 Transmit Data +
RS422 Receive Data +
RS422 Transmit Data -
RS422 Receive Data -
Signal Ground
1
14
25-pin male connector
Pin
3
2
7
13
25
Name
RX
TX
GND
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