Prodigit 3270 Series Operation Manual page 122

[STATe:] LEV{?} {;NL}
Purpose:Set and read the A and B of Load
Description：LEV LOW is a low level value of current on CC mode. It is a low level value
of resistance on CR mode. It is a low level value of voltage on CV mode. It
is a low level value of power on CP mode.
[STATe:] AUTO: FREQ {SP}{ONOFF}
Syntax: [STATe:] AUTO: FREQ {SP}{ON∣OFF}{;NL}
[STATe:] AUTO: FREQ {?} {;NL}
Purpose: Set and read the electronic load frequency ON or OFF
Description: Set and read the electronic load frequency ON or OFF (0: OFF 1: ON).
[ STATe:] CLRerr
Syntax:[ STATe:] CLRerr {;NL}
Purpose: Clear the error flag of 3270 Series which during the period of working
Description:This command is for clearing the contents in the register of PROT and ERR.
After implementation, the contents of these two registers will be "0".
[ STATe:] CLR: Meter
Syntax: [ STATe : ] CLR: Meter { ;NL}
Purpose: Clear the meter record value.
Description: Clear the maximum and minimum recorded values of the RMS measured by
The meter.
[ STATe:] ERRor
Syntax:[ STATe:] ERRor {?} {;NL}
Purpose:Read status register value.
Description:This command is to confirm the load status.
[STATe:] NG?
Syntax: [ STATe:] NG {?}{;NL}
Purpose:Query if there have NG flag in this 3270 Series
Description:Set command NG?to show the NG status. Set for "0" the LCD of NG(NO
GOOD) will be put out .Set for "1" the LCD will be lit. -
[STATe:] PROTect?
Syntax: [ STATe:] PROTect {?}{;NL}
Purpose:Query if there have protection flag which had been set in this 3270 Series
Description:
1. PROT? Means the status of Protection of 3270. "1" means OPP
occurred."4"means OVP. "8" means OCP. Table 4-10 shows the
corresponding number of protection status
2. Use command CLR to clear the register of PROT status to be "0"
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit1 Bit 0
7 6 5 4 3 2
3270 Series Operation Manual 113
1 0
Over Power Protection (OPP)
Over Temperature Protection (OTP)
Over Voltage Protection (OVP)
Over Current Protection (OCP)