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Users Manual
Enable Register" later in Chapter 5) and the input string is discarded. If, on the other hand, the input buffer becomes full when the
Valid terminators for the
•LF (Line Feed)
•CR (Carriage Return)
•CR LF (Carriage Return/ Line Feed)
Valid terminators for the
•EOI (End or Identity) on any character
•LF (Line Feed)
In some instances, a terminator is automatically transmitted at the end of the host’s output string (i.e., the meter’s input string). For example, in Fluke BASIC, the PRINT statement finishes with a CR LF pair.
Typical IEEE-488 Input Strings
Two typical strings that could be sent to the meter over the
Sending Numeric Values to the Meter
Numeric values can be sent to the meter as integers, real numbers, or real numbers with exponents as shown in the following examples:
EXAMPLE | EXPLANATION |
+12345689 | Sends the signed integer "+12345689" |
Sending Command Strings to the Meter
Observe the following rules when you construct strings to be sent to the meter over the computer interface:
•RULE 1: READ METER’S OUTPUT BUFFER ONLY ONCE FOR EACH QUERY COMMAND.
The meters output buffer is cleared after it has been read. This prevents previously read data from being read a second time by mistake. If you attempt to read the meters output buffer twice without an intervening query, the meter will not respond to the second read.