DH Instruments PPC4, Operation And Maintenance Manual

Page: 191 / 228

6. REMOTE OPERATION
Page 179 © 2009 DH Instruments, a Fluke Company
∗
ESE
Purpose Read or set the Standard Event Status Enable Register.
Command
Query
“
∗
ESE n ”
“
∗
ESE?”
Default
“
∗
ESE 0”
Arguments 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.
Remarks 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.
Example
(enhanced)
Sent:
Query reply:
“
∗
ESE=128” (enables the PON bit)
“128” (no reply if IEEE-488)
Errors ERR# 6: n is not valid.
∗
ESR
Purpose Read the Standard Event Register.
Command
“
∗
ESR?”
Remarks The Standard Event Register contents are cleared after reading. The reply is in decimal numeric
form.
Example
(enhanced)
Sent:
Reply:
“
∗
ESR?”
“20” (the QYE and EXE bits are set)
∗
IDN
Purpose
Identify the PPC4 versions, range, and serial number.
Query
“
∗
IDN?”
Remarks The identification reply is made up of the following comma delimit fields:
Manufacturer
The product model
Serial number of the PPC4
Serial number of the HI pressure RPT
Serial number of the LO pressure RPT (‘0’ if not installed)
PPC4 software version.
CPU board logic version
Main board logic version.
Example
(enhanced)
Sent:“
∗
IDN?”
Reply:“DH INSTRUMENTS INC, PPC4, 123,100951,63041, Ver1.00E, 1.00a,1.00a”
∗
OPC
Purpose Sets the operation complete bit when all operations have completed.
Command
Query
“
∗
OPC”
“
∗
OPC?”
Remarks This Command enables the PPC4 to set the OPC bit in the Standard Event Status Register
when it has completed all pending functions.
The Query replies with a “1” when all functions are complete.
Example
(enhanced)
Sent:
Query reply:
“
∗
OPC”
“1”
∗
OPT
Purpose Reads the list of installed PPC4 options.
Query
“
∗
OPT?”
Remarks This Query returns any registered option(s) installed in the PPC4. Each option is separated
by a comma. If there are no options installed, the reply will be “NONE”
Possible options:
“IEEE-488:0”
“USB”
“ETHERNET”
“GUI” The IEEE-488 option is installed.
The rear panel USB port is installed
The rear panel Ethernet option is installed
Indicates PPC4-gui with an LCD
Example
(enhanced) Sent:
Reply:
Reply:
“
∗
OPT?”
“IEEE-488:0, USB, ETHERNET”
“NONE”
(no options installed)