B&R PROVIT 3030, User Manual

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4.3.3 SERIAL INTERFACES
The PROVIT 3030 Industrial PC is provided with four serial RS232 interfaces. Two standard RS232 ports are
found on the CPU card in slot one. The RS232 card in slot four contains two electrically isolated serial
interfaces. Serial interfaces are set as follows upon delivery:
- CPU card COM1 and COM2 (COM1 top)
- RS232 card COM3 and COM4 (COM3 bottom)
These settings can be changed by jumpers (settings are detailed in the RS232 card users manual and the
CPU card users manual).
4.3.4 PARALLEL PRINTER INTERFACE
The parallel printer port (CENTRONICS) is situated on the rear of the computer module in the form of a 25
pin (F) D-type connector (see picture in section 4.3 "Computer module").
4.3.5 KEYBOARD INTERFACE
The keyboard interface (standard AT keyboard) is also situated on the rear of the computer module and is
in the form of an 8 pin DIN plug (F) (see picture in section 4.3 "Computer module").
4.3.6 I/O PORT
The PROVIT 3030 Industrial PC utilizes five relay outputs and four digital inputs. Inputs and outputs are all
fed through a 15 way termination block situated on the rear of the computer module.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Pin Pin Pin Pin Pin Function Function Function Function Function
1+2 Relay contact 1
3+4 Relay contact 2
5+6 Relay contact 3
7+8 Relay contact 4
9+10 Relay contact 5
Pin Pin Pin Pin Pin Function Function Function Function Function
11 Input 1
12 Input 2
13 Input 3
14 Input 4
15 Input reference voltage
Control of outputs or inputs is described in section 5 "Software".
4.3.7 24 VDC OUTPUT
The 24 VDC output supplies the digital inputs. Maximum load is 500 mA.
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