Omega DPF78 User Manual
19
COMPUTER HOOKUP:
RS 232: When connecting the unit to a computer with RS 232
communication, only three connections are needed. These
connections are: Receive data, Transmit data and Ground.
The connections should be made as follows:
RS 232: When connecting the unit to a computer with RS 232
communication, only three connections are needed. These
connections are: Receive data, Transmit data and Ground.
The connections should be made as follows:
DP -9 CONNECTOR
COMPUTER
Transmit data (pin 2)
Receive data
Receive data (pin 3)
Transmit data
Ground (pin 5)
Ground
RS 422: When connecting the unit to a computer with RS 422,
five connections are needed. These connections are: Re-
ceive data A (+), Receive data B (-), Transmit data A (+),
Transmit data B (-) and Ground. The connections should be
made as follows:
five connections are needed. These connections are: Re-
ceive data A (+), Receive data B (-), Transmit data A (+),
Transmit data B (-) and Ground. The connections should be
made as follows:
DP -9 CONNECTOR
COMPUTER
Transmit data A(+) (pin 2
Receive data A(+)
Transmit data B(-) (pin 7)
Receive data B(-)
Receive data A(+) (pin 3)
Transmit data A(+)
Receive data B(-) (pin 8)
Transmit data B(-)
Ground (pin 5)
Ground
A
RST
B
C
D
E
ENTER LOCK
PRE A PRE B
VIEW
PRGM
TRANSMIT A (+) PIN (2)
GROUND PIN (5)
RS 422
TRANSMIT B (-) PIN (7)
STROBE PIN (6)
+12V PIN (7)
(BOTTOM BOARD)
(BOTTOM BOARD)
A
RST
B
C
D
E
ENTER LOCK
PRE A PRE B
VIEW
PRGM
TRANSMIT PIN (2)
GROUND PIN (5)
RS 232
STROBE PIN (6)
+12V PIN (7)
(BOTTOM BOARD)
(BOTTOM BOARD)
RS232 / RS422 WIRING
A
RST
B
C
D
E
ENTER LOCK
PRE A PRE B
VIEW
PRGM
RECEIVE PIN (3)
TRANSMIT PIN (2)
GROUND PIN (5)
RS 232
A
RST
B
C
D
E
ENTER LOCK
PRE A PRE B
VIEW
PRGM
RECEIVE B (-) PIN (8)
TRANSMIT A (+) PIN (2)
GROUND PIN (5)
RS 422
RECEIVE A (+) PIN (3)
TRANSMIT B (-) PIN (7)
1
2
3
4
5
6
7
8
9
RS 232
1. INITIALIZE
2. TRANSMIT
3. RECEIVE
4. N/C
5. GROUND
6. STROBE
7. N/C
8. N/C
9. N/C
1. INITIALIZE
2. TRANSMIT
3. RECEIVE
4. N/C
5. GROUND
6. STROBE
7. N/C
8. N/C
9. N/C
RS 422
1. INITIALIZE
2. TRANSMIT A (+)
3. RECEIVE A (+)
4. N/C
5. GROUND
6. STROBE
7. TRANSMIT B (-)
8. RECEIVE B (-)
9. N/C
1. INITIALIZE
2. TRANSMIT A (+)
3. RECEIVE A (+)
4. N/C
5. GROUND
6. STROBE
7. TRANSMIT B (-)
8. RECEIVE B (-)
9. N/C
PRINTER HOOKUP:
When connecting the unit to a printer, you must first program
the desired baud rate, parity and strobe list with a computer.
After the unit is programmed it can be connected to the printer.
Connect the transmit line(s) of the unit to the receive line(s) of
the printer and be sure that both devices have common
grounds. When the strobe line is triggered the unit will transmit
the selected strobe list which you had previously pro-
grammed.
When connecting the unit to a printer, you must first program
the desired baud rate, parity and strobe list with a computer.
After the unit is programmed it can be connected to the printer.
Connect the transmit line(s) of the unit to the receive line(s) of
the printer and be sure that both devices have common
grounds. When the strobe line is triggered the unit will transmit
the selected strobe list which you had previously pro-
grammed.