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M655 Specications and Sales Information
T
he M655 PLC is a reliable, full-
featured Programmable Logic
Controller. It is a “smart” unit
providing both programmability and
interchangeability through a plug-in memory
module. As an integrated component of a
Supervisory Control and Data Acquisition System
(SCADA), the M655 provides input and output
(I/O) monitoring and control with simultaneous
“distributed” (RTU to RTU) and “central” (CTU
to RTU) type control operations. Its universal
communications interface can provide robust
control and data transfer via radio, serial and
Ethernet communication media.
APPLICATIONS
Water Distribution Control and Management
Waste Water Control and Monitoring
Golf Course Irrigation
Agricultural Irrigation
Gas and Oil Monitoring
Electrical Distribution Monitoring
FULLY PROGRAMMABLE WITH PLUG-IN
MEMORY MODULE
MICRO-COMM, MODBUS RTU AND
ALLEN-BRADLEY DF1 PROTOCOLS
OPTIONAL FRONT PANEL DISPLAY &
EXPANDABLE I/O
SERIAL AND ETHERNET
COMMUNICATIONS
SIMULTANEOUS RTU-RTU & CTU-RTU
COMMUNICATIONS
MODEL M655
FEATURES
I/O
• 4 Open Collector Outputs (COM1 radio
switching)
Communications
• COM1, Radio Port,
25pin Sub-D Male, RS-232
Optional RF MODEM, 0-600 or 1200 baud
• COM2, RS-232, 9pin Sub-D Male
• COM3, RS-485 / RS-232, 9pin Sub-D Male
• COM4, RS-485 / RS-232, 9pin Sub-D Male
• Ethernet, 100base-TX
CPU and Memory
• 32-bit MCU running 25MHz
• 1MB FLASH, Application Program
• 1MB RAM, Data
• 9MB Serial FLASH, Configuration
Power Source
• 12 VDC Power Input
ORDER INFORMATION
Part #
548-002-L17 0-300 baud FSK modem
548-002-L17A 600 baud FSK modem
548-002-L17B 1200 baud FSK modem
Micro-Comm has been providing
process control solutions for more than
30 years.
Call us at (913) 390-4500 or visit us
online at www.micro-comm-inc.com
PROGRAMMABLE LOGIC CONTROLLER
(PLC)
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