M-Series Operator’s Manual 4/9/15
Parameters 165 – Acceleration/Deceleration Options
This is a bit field parameter which modifies certain details of axis acceleration and deceleration when an axis stops
moving, changes direction, or starts moving. The Jog Parameters screen in the Machine Configuration set the original
DeadStart values for each axis. This parameter allows you to modify these DeadStart settings under certain conditions.
Note that if both Bits 0 and 1 are turned on (value = 1+2 = 3), the effect is cumulative, i.e. the net effect will be that ½
DeadStart value will be used when a slave axis stops or starts up from a stop. Likewise, if both Bits 2 and 3 are turned
on, the effect will be cumulative also. Note that this feature has no effect for movement commands handled by
Smoothing (P220=1).
Bit
Function Description Parameter Value
0 Use ¼ DeadStart value for a slave axis that stops or starts from a stop Enable = 1, Disable = 0
1 Use 2 x DeadStart value for a slave axis that stops or starts from a stop Enable = 2, Disable = 0
2 Use ¼ DeadStart value for a slave axis that reverses Enable = 4, Disable = 0
3 Use 2 x DeadStart value for a slave axis that reverses Enable = 8, Disable = 0
4 Limit the feedrate along the path of G2 or G3 arc moves such that the
feedrate will be uniformly limited to the lesser of the maximum rate of the
2 axes involved in the circular motion.
Enable = 16, Disable = 0
Parameters 166-169 – Axis Properties for axes 5-8
See parameters 91-94 for more information.
Parameters 170-179 – PLC Parameters
These parameters are especially reserved as a space for data which is to be sent to the PLC. Parameters 177, 178, 179
have been standardized for specific applications. Parameter 177 is used for trouble shooting purposes only.
Parameters 170 – Enable Keyboard Jogging and set Feedrate over ride Control
This PLC parameter is used to enable keyboard jogging and determine whether jog panel or keyboard feedrate over
ride is used. To enable keyboard jogging set parameter 148 to zero and this parameter to a 1.
Bit
Function Parameter Value
0 Enables Keyboard jogging Enable = 1, Disable = 0
1 Only looks at Feedrate over ride from Jog panel Enable = 2, Disable = 0
2 Only looks at Feedrate over ride from keyboard Enable = 4, Disable = 0
Parameter 178 – PLC I/O configuration
This parameter can be use to set switch types from NC to NO and some other options. Each Bit corresponds to a
different function. All values are to be added to the current setting. For example, if you need to switch the low lube
input to normally open add 1 to this parameter. NOTE: This parameter works only with specific PLC programs. The
PLC program installed in the control MAY NOT be mapped as indicated below. These parameters should only be
changed by a qualified technician. The example given below is intended for reference only:
Bit
Function Default state Opposite State
0 Lube Fault Closed = OK Add 1
1 Spindle Fault Closed = Fault Add 2
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