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DMC-1400 Series Command Reference EM ● 79
EM
FUNCTION: Cam cycles
DESCRIPTION:
The EM command is part of the ECAM mode. It is used to define the change in position over
one complete cycle of the master. The field for the master axis is the cycle of the master
position. For the slave, the field defines the net change in one cycle. If a slave will
return to its original position at the end of the cycle, the change is zero. If the change is
negative, specify the absolute value.
ARGUMENTS: EM n,m where
n - change in slave axis, between 1 and 2147483647
m - change in master encoder, between 1 and 8388607.
USAGE:
While Moving Yes Default Value
In a Program Yes Default Format
Command Line Yes
Can be Interrogated No
Used as an Operand Yes
Controller Usage
ALL
OPERAND USAGE:
_EM contains the cam cycle modulus of the motor..
RELATED COMMANDS:
EP CAM table intervals & starting point
ET Electronic CAM table
EB Enable Ecam
EXAMPLES:
EM 0,2000 Define the changes in the motor to be 0. Define master cycle as 2000.
V = _EM Assigns motor cam cycle distance to variable “V”