VMT8000 series
17
© ads-tec GmbH • Heinrich-Hertz-Str. 1 • 72622 Nürtingen
4.6 Serial interface COM1
Pos : 33 /D atent ec hni k/Schnitts tell en/Seriell e Schnitts tell e C OM RS232/Serielle Sc hnitts tell e C OM (RS232) f ür VMT 60xx @ 1 \ mod_1246373571514_6. doc @ 5876 @
The serial interface is used for digital data transmission. The RS232 interface can be connected by
using a shielded 9-pin SUB-D cable.
Information:
Pin 9 of the serial interface connector can be used for additional connection
of a 5V power supply, e.g. for operating a serial barcode scanner. The COM
+5V switch in the service slot of the device must be put in the ON position in
order to use this function. A subsequent restart of the computer is required in
order to properly activate this function.
Interface
IRQ
Address
COM1
4
3F8h
PIN number
Signal name
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI or + 5V DC
(max. 1 A)
Information:
This interface is not electrically isolated.
4.7 Heater (optional)
As an option, the device can be equipped with a heater. The heater can be used in, for example, the
low-temperature range down to -30°C. The exact temperature ranges are specified in the data sheet.
The heater is controlled automatically by the firmware. If the temperature falls or rises to a predefined
value, the heater is activated or deactivated. Intervention by the user is not necessary.
