Computer's Connection - Promax FA-405 Manual

*Note: This pin needs a constant high signal (+12V).
Figure 3.- Pin assignments of the RS-232 connector on the rear panel for DB-9-D
EQUIPMENT
(DB9, DTE)
Pin 2
Pin 3
Pin 4
Pin 5

6.3 Computer's connection

A personal computer with a COM port is the essential facilities in order to operate
the programmable power supply via RS-232 interface.
The connections between power supply and computer are as follows:
I. Connect one end of a RS232 cable to the computer.
II. Connect the other end of the cable to the RS-232 port on the programmable
power supply.
III. Turn on the programmable power supply.
IV. Turn on the computer.
Page 18
1. No connection
2. Receive Data (RxD)
3. Transmit Data (TxD)
4. +12V Input (*)
5. Signal Ground (GND)
6. No connection
7. No connection
8. No connection
9. No connection
Figure 4.- Wiring configuration for DB9 to DB9.
USER'S MANUAL. FA-405
(input)
(output)
(input)
COMPUTER
(DB9, DTE)
Pin 2
Pin 3
Pin 4
Pin 5
12/2003