AccuWeb MICRO 4000 NET, Instruction Manual

Page: 126 / 155

Appendix 3 / ControlNet Interface
Product Specifications:
•
Card size (H x W x D): 3.38” [86mm] x 2.13” [54mm] x 0.59” [15mm]
•
Power requirements: None - provided by network
•
Operating environment:
Maximum ambient temperature 120 deg F [48.9 deg C]
Humidity 0-90% non-condensing
ControlNet is a real-time, control-layer network providing high-speed transmission of both time-
critical I/O data and messaging data, including upload/download programming, configuration data
and peer-to-peer messaging on a physical media link. ControlNet’s high-speed (5 Mbit/sec)
control and data capabilities enhance I/O performance and peer-to-peer communication.
ControlNet allows multiple controllers to control I/O on the same wires providing an advantage
over other networks, which allow only one controller on the wire. ControlNet also allows multicast
of both inputs and output peer data, thus reducing traffic on the wire and increasing system
performance. ControlNet is deterministic and repeatable.
The media for the fieldbus is an RG-6 quad shielded cable or fiber with support for media
redundancy. Flexibility in topology options (bus, tree, and star) meets various application needs.
Mounting holes for stand-offs on
MICRO 4000
®
NET controller
Watchdog LED
Node address switches
Cable connectors
LED status indicators
Fieldbus Interface 123
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