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PPCK+™ Operation and Maintenance Manual
4.6.1
PROGRAM MESSAGE DESCRIPTIONS
∗CLS
Purpose
Command
Remarks
Example
(classic)
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
∗ESE
Purpose
Command
Query
Default
Arguments
Remarks
Example
(enhanced)
Errors
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.
∗ESR
Purpose
Command
Remarks
Example
(enhanced)
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)
∗IDN
Purpose
Query
Remarks
Example
(enhanced)
©2001 DH Instruments, Inc.
Identify the PPCK+ version, range, and serial number.
“∗IDN?”
The identification reply is made up of the manufacture, the model, the serial number
and the software version. Each is separated by a comma.
Sent:
“∗IDN?”
Reply:
“DH INSTRUMENTS INC, PPCK+ A0100/A0015, 1234, Ver1.00 -dhf”
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