Resetting the
Multimeter
The following program resets the multimeter.
HP BASIC/WS
10
!
Map the A16 address space in the HP V/382 and store the multimeter base
20
!
address in a variable.
30
CONTROL 16,25;2
40
COM Base_addr
50
Base_addr=DVAL("C600",16)
60
!
Call the subprogram which resets the multimeter.
70
CALL Mm_rst
80
END
90
!
This subprogram checks each bit in the multimeter Status register.
100
!
The subprogram is called by subprogram Mm_rst to monitor status bit 2.
110
SUB Read_status(Status,Rdy,Done,Indardy,Qryrdy,Noerr,Pass_fail)
120
COM Base_addr
130
Status=READIO(-16,Ba4)
140
Rdy=BIT(Status,0)
150
Done=BIT(Status,7) AND Rdy
160
Indardy=BIT(Status,4) AND Done
170
Qryrdy=BIT(Status,1) AND Done
180
Noerr=NOT (NOT (BIT(Status,6)) AND Done)
190
Pass_fail=BIT(Status,2)
200
SUBEND
210
!
This subprogram resets the multimeter by disabling the SYSFAIL bit,
220
!
then writing a ’1’ to Control Register bit 0, and then writing a ’0’ to
230
!
Control Register bit 0. Once the reset completes, SYSFAIL is re-enabled.
240
SUB Mm_rst
250 COM
Base_addr
260 WRITEIO
-16,Ba4;
270 WRITEIO
-16,Ba4;3
280 WRITEIO
-16,Ba4;2
290 REPEAT
300 CALL
Read_status(Status,Rdy,Done,Indardy,
Qryrdy,Noerr,Pass_fail)
310 UNTIL
Pass_fail
320 WRITEIO
-16,Ba4;0
330
SUBEND
Appendix C
HP E1326B/E1411B Multimeter Register-Based Programming 221
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