Vektek Guardian 2.0 User Manual page 7

Vektek Guardian™ 2.0 User's Guide
System Components Summary
The Guardian 2.0™ is a wireless pressure monitoring system designed to communicate pressure
feedback from hydraulic workholding fixtures to a CNC machine controller. The Guardian 2.0™ System
consists of a minimum of two devices, the MASTER CONTROL UNIT(MCU) and the FIXTURE
TRANSMITTER UNIT(FTU). Optionally a Pallet ID Reader can be used with the system for wireless
identification of the fixture when it comes into the work area.
The FIXTURE TRANSMITTER UNIT is a sealed (IP67 rated), compact, low power device that
requires (2) Lithium CR2 batteries. The FIXTURE TRANSMITTER UNIT accepts an input from a non-
powered/dry contact sensing switch via an M8 IP67 shielded cable and continuously reports the status
of this pressure switch over a radio link to the Master Control Unit. Vektek recommends pressure
switch, P/N 70-7500-78, for hydraulic pressure monitoring. One Fixture Transmitter Unit per pallet. If
you are using a multi-sided/hydraulic circuit fixture, 2 -3 or 4 pressure switches can report to a single
Fixture Transmitter Unit.
The MASTER CONTROL UNIT (IP65 rated) features an LCD display to communicate with a
human operator as well as a digital interface allowing the device to communicate with an external
machine controller or PLC (Programmable Logic Control). The MASTER CONTROL UNIT is the hub of
the Guardian 2.0 System. The Guardian 2.0 system allows your pressure switch on the fixture to
wirelessly communicate with your machine tool through the MASTER CONTROL UNIT. The master
through selection of the "Pallet Number" through a discrete digital input via the M12-8 connector and
Control Unit can communicate with many different fixtures. Selection of the fixture that the Master
Control Unit is communicating to in the work area is determined two different ways. The first way is
the CNC Machine control system can communicate up to 64 different pallet numbers. The other method
is through the use of the optional Pallet ID Reader system, where wireless interrogation of the unique
pallet ID of the pallet currently in the work area. Using the Pallet ID Reader allows the management of
over 200 pallets.
The Pallet ID Reader is an optional component that can wirelessly read a unique Pallet ID tag
placed on each fixture pallet and communicate to the Master Control Unit. The Pallet ID Reader
connects to the MASTER CONTROL UNIT via an M12 cable. The M12 IP67 shielded cable carries
information from the Pallet ID Reader to the MASTER CONTROL UNIT. The Pallet ID Reader reads the
Pallet ID Tag wirelessly. The Pallet ID Reader is a fully sealed unit (IP67 rated) that will mount within
the machine enclosure or work area.
Figure 1:SYSTEM USING PALLET ID READER
G e n e r a l P r o d u c t R e v . A I A W E C N - 5 5 8 1
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Figure 2: SYSTEM USING BINARY INPUT PALLET ID
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