126 II Technical Information
II – 2 Installation Setup
AMI (Auxiliary Machine Interface)(X51)
(Optional)
If AMI hardware is connected to the POSITIP 880, the SWITCHING
OUTPUTS form will be available from the installation setup list box.
The AMI hardware may be configured with 8 output relays. See Fig.
II.20.
To configure an individual relay output, move the cursor to the relay
number and press ENT. To remove a relay’s setting, highlight the relay
and press CE.
8 The AXIS field is used to specify which axis position controls the
relay. The axis is selected by pressing the NEXT AXIS soft key.
The DIRECTIONAL soft key is used to select the directional signal
mode. When selected, the relay’s operation is based on the position
value’s sign. The relay is activated when the value is non-negative.
The relay is de-activated when the value is negative. If
DIRECTIONAL is selected, the axis selection may be set to ALL
AXES. In this configuration, the relay’s output is set when an
operation sets any of the distance-to-go mode display values.
8 The CONDITION field is used to specify the required relationship
between the current position display and the switching point. It is
set by pressing the soft keys.
8 The PRESET field is used to define the switching points and to
select whether the point is an actual value or distance-to-go
position. The position source is selected by pressing one of the soft
keys.
8 The POINT/RANGE field is used to define whether the condition
refers to a point on the axis or refers to range about zero. If a range
is specified, the sign of the value is ignored.
8 To fill in the RELAY ON/OFF field press the OFF or ON soft keys.
When the condition has been satisfied the relay will turn OFF or ON.
8 The RELAY OPERATION field is used to further define how the relay
will operate when the switching condition is met. The options
include CONTINUOUS, PULSED or SINGLE. SINGLE is only an
option when the distance-to-go position is selected in the PRESET
field.
In CONTINUOUS mode, the relay remains activated (ON or OFF) as
long as the switching condition is met.
In PULSED mode, the relay is activated only for a predefined, period
of time. After the period has timed out, the relay is de-activated. The
time is entered in the RELAY OPERATION field.
If the PULSED soft key was pressed, a delay value must be entered
using the numeric keypad.
In the SINGLE mode, the relay will transition to the activated state only
one time after the axis value is set. It only applies to distance-to-go
mode position values.
The AMI settings are retained on a power cycle.
Fig. II.20 AMI form
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