Commands and Parameter LDM41A and LDM42A Manual
Page 24 ASTECH GmbH
8 Commands and Parameter
8.1 General
The LDM41A and LDM42A can be parameterized very easy with the PC. The PC
must be equipped with a serial interface RS232 and/or RS422 according to the
attached LDM41A and LDM42A. The use of USB to serially converters is also
possible. An optionally programming cable is necessary (see chapter 12, PC
Interface Cable (Option)). On the PC a terminal program must be installed
(LDMTOOL or HyperTerminal). By selecting ID[Enter] command, you may call
up the menu with available setup commands (DX[Enter] only LDM42A):
LDM4x, s/n xxxxxx, V 7.x
DT[Enter].....................distancetracking
DS[Enter].....................distancetracking 7m
DW[Enter].....................distancetracking with cooperetive target(10Hz)
DX[Enter].....................distancetracking with cooperetive target(50Hz)
DF[Enter].....................distance measurement with external trigger
DM[Enter].....................distance measurement
TP[Enter].....................internal temperature [C]
SA[Enter] / SAx[Enter]........display/set average value [1..20]
SD[Enter] / SDd[Enter]........display/set display format [d/h/s]
ST[Enter] / STx[Enter]........display/set measure time [0..25]
SF[Enter] / SFx.x[Enter]......display/set scale factor
SE[Enter] / SEx[Enter]........display/set error mode [0/1/2]
0..Iout=const., ALARM=const.
1..Iout: 3mA @RE>RB, 21mA @RE<RB,
ALARM: OFF@AH>0, ON@AH<0
2..Iout: 21mA @RE>RB, 3mA @RE<RB,
ALARM: ON@AH>0, OFF@AH<0
AC[Enter] / ACx.x[Enter]......display/set ALARM center
AH[Enter] / AHx.x[Enter]......display/set ALARM hysterese
AW[Enter] / AWx.x[Enter]......display/set ALARM width
RB[Enter] / RBx.x[Enter]......display/set distance of Iout=4mA
RE[Enter] / REx.x[Enter]......display/set distance of Iout=20mA
RM[Enter] / RMx y.y z[Enter]..remove measurement
TD[Enter] / TDx y[Enter]......display/set trigger delay [0..9999ms]
trigger level [0/1]
TM[Enter] / TMx y[Enter]......display/set trigger mode [0/1] trigger
level [0/1]
BR[Enter] / BRx[Enter]........display/set baud rate [2400..38400]
AS[Enter] / ASd[Enter]........display/set autostart command [DT/DS/
DW/DX/DF/DM/TP/LO/ID]
OF[Enter] / OFx.x[Enter]......display/set distance offset
SO[Enter].....................set current distance to offset
(offset = - distance)
LO[Enter].....................laser on
LF[Enter].....................laser off
PA[Enter].....................display settings
PR[Enter].....................reset settings
Figure 11 : Help text Firmware V7.x
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