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RPM4-AD™ OPERATION AND MAINTENANCE MANUAL
4.6
IEEE STD. 488.2 COMMON AND STATUS PROGRAM
MESSAGES
The RPM4-AD supports a set of commands that are common to all instruments conforming to IEEE Std. 488.2.
These commands make it easy to perform basic function for any device that supports these commands.
These commands also cover the status reporting commands. See Section 4.1 for details on the status
registers mentioned in these commands.
Table 27. IEEE-488.2 common and status program message list
∗CLS
∗ESE
∗ESR
∗IDN
∗OPC
∗OPT
∗RST
∗TST
∗SRE
∗STB
∗RSE
∗RSR
4.6.1
PROGRAM MESSAGE DESCRIPTIONS
∗CLS
Purpose
Command
Remarks
Example
∗ESE
Purpose
Command
Query
Default
Arguments
Remarks
Example
(enhanced)
Errors
∗ESR
Purpose
Command
Remarks
Example
(enhanced)
© 2005-2007 DH Instruments, a Fluke Company
Clear all of the status & event structures.
Read or set the Standard Event Status Enable Register.
Read the Standard Event Status Register.
Identify the RPM4-AD version, range, and serial number.
Set the operation complete bit when all operations have completed.
Read the list of installed RPM4-AD options.
Reset the RPM4-AD settings to factory settings.
Read the power on self test status.
Read or set the Service Request Enable Register.
Read the Status Byte Register.
Read or set the Ready Status Enable Register.
Read the Ready Status Register.
Clear all of the status & event structures.
"∗CLS"
This program message clears the following events and status registers:
Standard Byte Register (STB)
Standard Event Status Register (ESR)
Error Queue
Pending OPC operations
Sent:
"∗CLS"
Reply:
none
Read or set the Standard Event Status Enable Register.
"∗ESE n"
"∗ESE?"
"∗ESE 0"
n:
'0 to 255' This is the decimal representation of the bit(s) to enable. To enable
the PON and QYE bits, the argument would be 128 + 4 = 132.
The Standard Event Status Enable register determines which bits in the standard Event
Status Register are enabled and included in the Status Byte Register (ESB bit), and can
assert the SRQ line. The reply is in decimal numeric form.
Sent:
"∗ESE=128"(enables the PON bit)
Query reply:
"128" (no reply if IEEE-488)
ERR# 6:
n is not valid.
Read the Standard Event Register.
"∗ESR?"
The Standard Event Register contents are cleared after reading. The reply is in decimal
numeric form.
Sent:
"∗ESR?"
Reply:
"20" (the QYE and EXE bits are set)
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