Parameters U511 User’s Manual
4-10 Aerotech, Inc. Version 1.1
4.2.13. “User interrupt setup code”
Parameter 500 sets the usage of the user interrupt input. The usage is determined by the
status of the first two bits of parameter 500. The configuration can be changed by entering
an appropriate decimal value for the parameter. This input is active low. Settings for
parameter 500 are given in Table 4-3.
bit #0 Set to 1 to abort all axis motion on user interrupt.
bit #1 If set to 0, the UINT_N input will disable itself after the first
occurrence. If this bit is set to 1, the UINT_N input will
remain active.
bit #2-#23 Reserved.
Table 4-3. Settings for Parameter 500
Parameter # Range Default Value
500 0 - 8388607 0
4.2.14. “A/D channel n joystick deadband” Parameters
These parameters define the deadbands associated with the center position of the joystick.
There is no resulting motion when the joystick is within this band. The parameter value is
the number of A/D counts in the deadband. The default value is zero, which is internally
interpreted as 16 A/D counts for backward compatibility.
The parameter definitions are listed in Table 4-4. Parameters 090 and 092 are currently
not used because the joystick is connected to channel numbers 3 and 4. A/D channel
number 1 is normally the MFO input. A/D channel 2 is normally the user analog input.
Table 4-4. Joystick Deadband Parameters
Parameter # A/D Channel Default Value
090 A/D Channel No. 1 0
092 A/D Channel No. 2 0
094 A/D Channel No. 3 (joystick vertical axis) 0
096 A/D Channel No. 4 (joystick horizontal axis) 0
The A/D converter is 8 bits scaled so that 0 V gives an output of 0 and +5 V gives
an output of 255. An A/D output of 128 corresponds to an input of +2.5 V.
500
090
092
094
096
F
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