Omega DPF76 User Manual download pdf (Page 24)

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:

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:

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

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)

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)

RS232 / RS422 WIRING

RST

B C

D E

ENTER LOCK PRE A PRE B VIEW PRGM

RECEIVE PIN (3)

TRANSMIT PIN (2)

GROUND PIN (5)

RS 232

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)

RS 232

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

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.

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Omega DPF76 User Manual Page 24

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