Agilent Technologies E1437A, User Manual, Page: 160 / 214

LBUS:RESET command/query
Resets local bus. Gets the current local bus reset state.
Command Syntax: LBUS:RESET <reset>
reset::=0

1
Query Syntax: LBUS:RESET ?
Example Statements:
OUTPUT 70924;"Lbus:reset 1"
Description: In order to avoid glitches in the local bus data, the local bus interface has strict
requirements as to the order in which modules in a VXI mainframe have their local
bus interface reset. Upon powerup or whenever any single module in the mainframe
is put into a reset state, all modules should be placed into the reset state from left to
right. Then all modules can be take out of reset from left to right.
Parameter Definitions:
puts the E1437’s local bus into reset or takes it out of reset.
parameter
value
reset parameter definition
0 OFF takes the E1437 out of reset
1 ON puts the E1437’s local bus into reset.
Example: When E1437s are used with the E1485 measurement controller, the E1485 must be
reset while all of the E1437s are being held in reset to avoid initial glitches in the
local bus data. The E1437s should be taken out of reset only after the first
MEAS:CONTROL release is issued. Th e correct way to reset th e local bus is as
follows:
! For all modules hold HP E1437s in reset
OUTPUT <addrAll>;"Lbus:Reset 1"
! Reset the E1485 lbus
OUTPUT <id1485>;"LBUS:CONTROL 1,0"
! Set desired LBUS mode for all modules
!
.......
!
! For all id first arming
OUTPUT <addrAll>;"Meas:control 0,1"
! Remove reset from HP E1437s, has no effect after first time
OUTPUT <addrAll>;"Lbus:Reset 0"
Reset Values reset =ON
E1437A LBUS:RESET
ASCII Overview and Commands command/query
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