86 ● ER DMC-1400 Series Command Reference
ER FUNCTION: Error Limit
DESCRIPTION:
The ER command sets the magnitude of the position error that will trigger an error condition.
When the limit is exceeded, the Error output will go low (true). If the Off-On-Error
(OE1) command is active, the motors will be disabled. The units of ER are quadrature
counts.
ARGUMENTS: ER n where
n is an unsigned number in the range 1 to 32767.
“?” returns the value of the Error limit.
USAGE:
While Moving Yes Default Value 16384
In a Program Yes Default Format Position Format
Command Line Yes
Can be Interrogated Yes
Used as an Operand Yes
Controller Usage ALL
OPERAND USAGE:
_ER contains the value of the Error limit.
RELATED COMMANDS:
#POSERR Automatic Error Subroutine
EXAMPLES:
ER 200 Set the error limit to 200
ER ? Return value
00200
V1=_ER Assigns V1 value of ER
V1= Returns V1
00200
HINT: The error limit specified by ER should be high enough as not to be reached during normal
operation. Examples of exceeding the error limit would be a mechanical jam, or a fault in a system
component such as encoder or amplifier.