Service Interface; Pin Allocation Of The Sub-D (Female) Service Interface Rs232; Connection Pc/Laptop ↔ Service Interface; Figure 42, Service Interface - Baer DLX User Manual

8.2

Service interface

The service interface is used to program the DLX unit and to retrieve data
with a fixed baud rate (9600 baud). It is implemented as a 25 pin SUB-D
connector (female) according to ISO2110, the pin allocation is according to
V.24/RS232C/DIN 66020.
Programming of the DLX is done using the programming software
DLXPARA. Please read the user manual of the programming software
DLXPARA for instructions on programming.

Figure 42, Service interface

8.2.1

Pin allocation of the SUB-D (female) service interface RS232

Standard:
Type:
DLX (25 pins, female)
Input/Output Pin No.
Input
2
Output
3
Input
4
Output
5
Output
6
7
Input
20
Connection PC/Laptop ↔
8.2.2
For the connection between a DLX and a PC, a programming cable or mo-
dem cable (#6998) is required. Plug the programming cable into a free
COM port of the PC/Laptop and into the service interface of the DLX. Now
you can start the required software (programming or data retrieval).
78
RS232
SUB-D female
cable
Pin No. Input/Output Standard usage
Output
2
Input
3
Output
4
Input
5
Input
6
7
Output
20
↔ ↔ ↔ Service interface
PC (25 pins, male)
TxD (transmit data)
RxD (receive data)
RTS (request to send)
CTS (clear to send)
DSR (data set ready)
GND (protective earth)
DTR (data terminal ready)