Magnetic Instrumentation 2130, Instruction Manual

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CHAPTER 6 REMOTE OPERATION
6-1
6. REMOTE OPERATION
6.1 General Communication Description
The Model 2130 may be controlled remotely using either the standard RS-232 serial interface,
or the optional IEEE-488 (GPIB) interface. Either of these interfaces may be used to perform
any operation that the user can accomplish from the front panel of the fluxmeter. All
information that is visible on the Model 2130 display is also accessible using the remote
interfaces.
Unless otherwise specified, all remote operation descriptions given in this section apply to both
the RS-232 and the IEEE-488 interface.
6.2 Communication Settings
6.2.1 RS-232 Settings
The RS-232 interface settings are factory set and cannot be modified. These settings are
shown in the following table.
Parameter Setting
Baud Rate 9600
Word Length 8 bits
Parity None
Stop Bits 1
Hand Shaking None
Table 6.2.1 RS-232 Settings
6.2.2 IEEE-488 Settings
The IEEE-488 (GPIB) address may be set by the user and can range from 1 to 16. The user
application must read at least 36 characters to assure that the entire contents of the meter
display are recognized.
6.3 Using the Remote Interface
The command set for the Model 2130 is divided into two categories; configuration commands,
and query commands. The configuration commands are used to change meter settings such
as range, mode, drift correction, etc., while query commands are used to read meter settings.
Each command is composed of a single ASCII character. No termination characters
(
such as
an ASCII #10, (carriage return)
)
are required after the command. Alpha characters received
by the Model 2130 which are not part of the command set are ignored.
When using the RS-232 interface, each character received by the Model 2130 is echoed to the
host PC. Once a character is sent to the Model 2130, no further characters should be sent
until the echoed character is received. When the IEEE488 interface is used, characters are
not echoed.