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M555 Specications and Sales Information
FULLY PROGRAMMABLE WITH PLUG-IN
MEMORY MODULE
MICRO-COMM, MODBUS RTU AND
ALLEN-BRADLEY DF1 PROTOCOLS
OPTIONAL FRONT PANEL DISPLAY &
EXPANDABLE I/O
RADIO, PHONE LINE, ETHERNET & FIBER
OPTIC COMMUNICATIONS
SIMULTANEOUS RTU-RTU & CTU-RTU
COMMUNICATIONS
MODEL M555
T
he M555 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 M555 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, dedicated
line, phone line, and fiber optic 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
FEATURES
I/O
• 4 Open Collector Outputs (COM1 radio
switching)
Communications
• COM1, Radio Port,
25pin Sub-D Male, RS-232 and RF signals
• 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
• COM5, Ethernet 100baseT
• Internal RF MODEM, 0-600 BAUD
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 #
L55 0-300 baud FSK modem
L55A 600 baud FSK modem
Micro-Comm Automation has
been providing process control solutions
for more than 30 years.
Call us at (913) 390-4500 to place your
order or to speak to a sales and service
representative. Or, visit us online at www.
micro-comm-inc.com
PROGRAMMABLE LOGIC CONTROLLER
(PLC)
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