GW Instek PSH-A Series 360W User Manual - Manual (Page 27)

Remote Operation
53
Interface Selection
RS232 (Standard)
Baud rate
setting
1. Press the Menu key
MENU
repeatedly until the
Interface menu appears.
OCP OUT
CV 2.58V 2.01A
Interface RS232
Baud Rate 9600
2. Use the wheel knob to select the baud
rate.
3. Press the Iset/Vset/Enter key
V SET / I SET
ENTER to
confirm the setting.
4. Connect the RS232 cable between your PC
and PSH rear panel. PSH switches to remote
control mode as soon as the connection is
established.
RS-232
interface
protocol Baud rate: 9600, 4800, 2400, 1200 (selectable)
Parity: None (fixed)
Stop bit: 1 (fixed)
Data bit: 8 (fixed)
PSH RS-232 pin
assignment 1 2 3 4 5
6 7 8 9
Pin 2: RxD
Pin 3: TxD
Pin 5: GND
Pin 1, 4, 6 ~ 9: No Connection
PSH User Manual
54
PC RS-232 pin
assignment 1 2 3 4 5
6 7 8 9
Pin 2: TxD
Pin 3: RxD
Pin 5: GND
Pin 1, 4, 6 ~ 9: No Connection
PSH – PC
connection Null-modem connection, in which transmit (TxD)
and receive (RxD) lines are crosslinked, is
required.
PSH PC
TxD
RxD
GND
Pin2
Pin3
Pin5
RxD
TxD
GND
Pin2
Pin3
Pin5