ESCO Technologies ETS-LINDGREN MAPS 2112 Series, Руководство пользователя

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10
Standard Configuration
Note: The direct drive MAPS mast supplied with the 2112, 2117, and 2122
MAPS models are not compatible with previous MAPS models. Retrofit kits
are available. Please consult Technical Support at ETS-Lindgren for upgrade
options. Additional changes to the positioning controller (2090 or EMCenter)
may be required to complete the upgrade.
Note: For part numbers, see
Replacement Parts
and
Optional Parts,
pages
14-15.
Mast
The MAPS mast supports the EUT and provides continuous 360° rotation on the horizontal axis while keeping the
EUT on the center of both rotation axes. The angular accuracy is guaranteed within ± 0.25° for both the 2122 Light
Duty and 2117 Medium Duty Phi axes and ±0.5° for the 2122 Heavy Duty Phi axis. The two axes can be controlled
independently through the controller or measurement software.
Horizontal Roll (Phi) Axis
The MAPS includes a horizontal roll axis for mounting EUT, and is equipped with mounting plates to secure the EUT
or a Specific Anthropomorphic Mannequin (SAM) phantom head. Maximum EUT weight varies by MAPS model; see
page 15 for weight specifications. The SAM phantom head for testing wireless handset is optional.
Turntable
The MAPS includes a 63 in (160 cm) diameter circular wood deck that is bolted onto a motorized turntable. The deck
has an opening for the vertical support and access to the knobs that clamp the sliding carrier into a fixed position.
Motor Bases
The MAPS is equipped with two motor bases, one to control each rotational axis. The x axis motor drive mounts onto
a rail system that is attached to the turntable. This system is positioned on the turntable so that the x axis centerline
projects through the center of the turntable. The rail system has a sliding carrier that allows the vertical support
assembly to be moved in or out, in a six inch (15.2 cm) range, from the center of the turntable. The sliding carrier
enables the movement of the EUT in or out in the same range.
A 230 VAC 50 or 60 Hz single phase receptacle is required to power each motor base. Current draw is less than 4
amps per motor base. The drive power for both rotations is provided by the filtered 208–230 VAC, 50/60 Hz single
phase power inside the chamber. Therefore, there is no need for power drive cables to penetrate the shielded
enclosure.
Fiber Optic Cables
To minimize any potential RF obstruction or distortion of RF signals from low directive wireless transmit antennas,
each MAPS is provided with fiber optic control lines that enable the I/O signal between the motor base and the
positioning controller.