AccuWeb MICRO 4000 NET, Instruction Manual

Page: 129 / 155

Appendix 4 / Modbus Plus 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
Modbus Plus is a local-area network system designed for industrial control and monitoring
applications. The network enables programmable controllers, host computers, and other devices
to communicate throughout plants and substations. The Modbus Plus module can communicate
with all Modbus Plus nodes that comply with the Modbus Plus Protocol. The Modbus Plus module
will not initiate any point-to-point communication with other nodes, it will only respond to incoming
commands.
The media for the fieldbus is a shielded twisted pair cable. The data transfer rate is 1 Mbit/sec
with a data throughput of 20,000 16-bit words per second.
Mounting holes for stand-offs on
MICRO 4000
®
NET controller
Watchdog LED
Baud rate and address DIP switches
LED status indicators
Cable connector
Fieldbus Interface 126
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