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OCM160 Precision DC Calibrator
7. Remote Control
OCM160 can be controlled via RS232, GPIB, LAN or USB. Only one bus can be set
at a time. The communication bus will be selected in the System menu. All interfaces are
using the same commands except following ones, intended only for RS232, LAN and USB:
SYSTem:LOCal
This command sets OCM160 into the "LOCAL" mode.
SYSTem:REMote
This command sets OCM160 into the "REMOTE" mode.
SYSTem:RWLock
This command sets OCM160 into the "REMOTE" mode and locks all keys of
front panel.
NOTE: If device is not in REMOTE mode all other commands are ignored (for RS232,
LAN and USB interface), with exception of Compatible Commands which are
processed each time. GPIB interface sets the device into the "REMOTE" mode
automatically by opening the GPIB interface. Therefore these commands are not
intended for this interface.
7.1.
RS232 Interface
Following equipment is required:
OCM160 DC Calibrator
Personal Computer (or other controlling device) with RS232 port (USB-to-RS232
converter can also be used)
9-pin D-SUB, 3-wire 1:1 male/female RS232 cable
The RS232 interface must be selected in the System menu into operation (MENU-
>Interface->Active bus). There is only one RS232 setting accessible from the system menu
under MENU->Interface path:
RS232 Baud rate
Other RS232 parameters are firm:
Number of data bits
Number of stop bits
Parity
Handshake (XON/XOFF)
RS232 connection
Bild 22 RS232 9 pin D-SUB MALE connector
31
1200, 2400, 4800, 9600, 19200, 38400, 57600 or 115200
8
1
None
Off
Pin
Label
2
TXD
3
RXD
5
GND
I/O
Description
output
Transmitter
input
Receiver
-
Ground
Orbit Controls AG
Owner's Manual
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