PDW90 Point to Multi-Point Wireless Instruction Manual
4
Introduction
The Precision Digital PDW90 is a rugged, customizable, point-to-multipoint wireless bridge. It
offers a highly-flexible means of getting analog, digital, and Modbus® signals from where you
have them to where you need them. Modular input/output cards and expandable field units
mean that the PDW90 can be customized to meet the needs of any wireless application.
The PDW90 is simple to order, simple to configure, and easy to trust with your application. It
can be ordered as either preassembled kits or as individual, modular components. Guaranteed
ranges assure it will work with your application or you can send it back - no questions asked. A
wireless survey tool is available for those installations that require a site survey for longer dis-
tances, making it easy to verify the setup will work the first time.
Field units accept analog, discrete, and Modbus® inputs and wirelessly broadcast them to the
PDW90 base station. The base station can recreate these signals with its onboard RS-485 or
analog and digital I/O cards. It can also be programmed to activate relays or output analog/digi-
tal signals to the field units. Just put the field units wherever there are process signals and the
base station in the control room.
Fixed or remote antenna modules as well as a wide range of accessories are available, includ-
ing mounting kits, antenna-related accessories, and repeaters. The antenna may be directly at-
tached or remotely located. High gain directional antennas are also offered.
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