Martel Electronics 3001 - Manual (Page 56)

Measurement Commands
Command Description
ISO_MEAS Sets the isolated input measurement type.
PRES? Queries the attached pressure module for its manufacturer and serial num-
ber.
PRES_MEAS Changes the operating mode of the primary display to pressure measure-
ment.
RTD_MEAS Changes the operating mode to RTD measurement.
TC_MEAS Changes the operating mode to thermocouple measurement.
VAL? Returns the last values for the isolated and primary measurements, in that
order.
ZERO_MEAS Zeros the pressure module, TC mV, or RTD ohms.
ZERO_MEAS? Returns the zero offset for the pressure module, TC mV, or RTD ohms.
RS-232 Operating Mode Commands
Command Description
LOCAL Puts the 3001 into the local state and disables lockout.
LOCKOUT Puts the 3001 into the lockout state. This command duplicates the IEEE-488
LLO (Local Lockout) message.
REMOTE Puts the 3001 into the remote state. This command duplicates the IEEE-488
REN (Remote Enable) message.
Status Commands
Command Description
FAULT? Returns the most recent error code in the 3001 error queue, and then
removes that error code from the queue.
10.3 Error Code Listing
Error Number Message Class Description
1 DDE Error queue overflow.
100 EXE OPER or STBY was received when the 3001 is in measure
mode or thermocouple source mode.
101 CME A non-numeric entry was received in a field that should con-
tain a numeric entry.
102 EXE The numeric field exceeds 10 characters.
103 CME Invalid units name or prefix.
104 EXE An attempt to enter RTD source mode was made when SPRT
is selected, or to select SPRT when RTD source mode is
selected.
105 EXE Entry is above upper limit for the selected output range.
106 EXE Entry is below lower limit for the selected output range.
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