beautypg.com

AMETEK SLH Series RevB User Manual

Page 56

background image

GPIB/RS232 Programming Operation

SLH-Series AC High Power Electronic Load

4-14

M540073-01 Rev C

NAME

Purpose:
Electronic Load module model number query command.
Command Syntax:
All Modules:

NAME?{NL}

Description:
NAME? return the active Electronic Load model number, 325x for SLH AC-series loads.

PROTECTION Status Register

Purpose:
OPP, OTP, OVP, and OCP protection status query command.
Command Syntax:
All Modules:

PROT?{NL}

Description:
PROT? returns the present protection status; the status byte register summarizes all of the
protection status events from all status register. the following figure describes the status
byte the happened on the SLH-series Electronic load. The PROT status byte register is
cleared when a CLER command clears all of the PROT and ERR status registers.

bit 7

bit 0

7

6

5

4

3

2

1

0

OPP

OTP

OVP

OCP

Figure 4-1 Protection Status Register

Purpose:
ERRor status register query command.
Command Syntax:
All Modules:

ERR?{;|NL}

Description:
ERR? returns the present error status; the status byte register summarizes all of the error
status events from all status registers. the following figure describes the status byte the
happened on the SLH-series electronic load. The ERR status byte register is cleared when
a CLER command clears all of the PROT and ERR status registers.

bit 7

bit 0

7

6

5

4

3

2

1

0

Limited

Range Changed

Invalid Command

Invalid Operating

Figure 4-2 Error Status Byte Register