Operation
MTS Landmark™ Tabletop Load Units - Product Information 75
Item Control/Indicator Description
6 Stop Stops the test action. Only if the application test software is active.
7 Connector RJ-45, to Controller.
8 Hydraulic Off Shuts down the HPU.
9 Start Starts the test action. Only if the application test software is active.
10 Interlock Reset Resets active interlock(s) providing the cause for the interlock(s)
has been remedied.
11 Thumbwheel
Enable
Press to enable the thumbwheel to position the actuator. Press
again to disable the thumbwheel. The indicator lights when the
thumbwheel is active.
12 Fault Indicator. When lit, indicates an active fault or interlock.
13 Handset Enable Used to enable/disable the handset. When the indicator is lit, the
handset is enabled for control of the actuator.
14 Select (Enter) Selects the highlighted line in the display.
15 Display Four lines, 20 characters per line.
Standard Test Area Enclosure Operation
There are four operating modes for an MTS Landmark Test System:
l Hydraulic Power Off
l Specimen Installation and Setup
l Run Mode
l Service
Hydraulic Power Off
Hydraulic Power is prevented from energizing the circuit via the hydraulic service manifold. Full access
to the test area is allowed in this mode.
Specimen Installation and Setup
The controller provides a means for creating a specimen installation mode. This mode typically uses
the Channel Limited Channel (CLC) control method. The primary control channel is Displacement
(stroke) with maximum limits set on applied force. Tuning parameters unique to this mode optimize
manual control during this mode. In addition, a maximum velocity command is set.
The handset has the ability to have a configuration specific desired response to the thumbwheel
encoder on the handset for a precise level of control.
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