Hioki ST5540, Instruction Manual, Page: 169 / 326

8.7 Command Message Description
163
8
Chapter 8
Contro
lling the
Instru
ment From
a Comp
uter
Common Messages
Clears event registers and status byte registers
Syntax Command
*CLS
Function Command Clears the content of event registers (SESR, ESR0) as well as the bits of the
corresponding status byte registers.
There is no effect on the output queue, enable registers, or bit 4 (MAV) of status
byte registers.
Example Command
*CLS
Error Any data following a command results in a command error.
Queries the event status register
Syntax Query
Response
*ESR?
<numerical value>
<numerical value>
= 0 to 255 (NR1)
Function Query Returns the setting content of SESR as a numeric value, then clears the con-
tent. No header is prefixed to the response message.
Example Query
Response
*ESR?
32
Bit 5 of SESR has been set to 1.
Error If the response message exceeds the output queue size, a query error occurs.
Queries the equipment ID
Syntax Query
Response
*IDN?
<character value 1>,<character value 2>,<character value 3>,<character value
4>
<character value 1>
= Manufacturer's name
<character value 2> = Model name
<character value 3> = 0, fixed (NR1)
<character value 4> = Software versio
Function Query Returns the equipment manufacturer name, model name, and version of soft-
ware. No header is prefixed to the response message.
Example Query
Response
*IDN?
HIOKI,ST5540,0,V1.00
The equipment ID is "HIOKI, ST5540, 0, 1.00 (software version)."
(The model name for ST5541 is ST5541.)
Error If the response message exceeds the output queue size, a query error occurs.