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DATALOGIC | DS2400 |
The RTSAUX and CTSAUX signals control data transmission and synchronize the connected devices. If the RTS/CTS handshaking protocol is enabled, the DS2400 activates the RTSAUX output to indicate a message is to be transmitted. The receiving unit activates the CTSAUX input to enable the transmission.
2.4.4 Inputs
The inputs available on the connector supplied with the scanner are the pins relative to the External Trigger, as indicated below:
Pin | Name | Function |
|
|
|
18 | EXT TRIG+ | External Trigger + |
19 | EXT TRIG- | External Trigger - |
The External Trigger input is used in the
The yellow LED (Figure A, 2 ) is on when the External Trigger forces a current flow through the EXT TRIG+ and EXT TRIG- pins.
This input is optocoupled and can be driven by both an NPN or PNP type command. The connections are indicated in the following diagrams:
DS2400
+ 5V
Vext 30 Vdc max. EXTERNAL TRIGGER
18 EXT TRIG+
V
19EXT TRIG-
Signal
Figure 2.19 - Input NPN command using external power
Installation - 2.15