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M555 PLC
The M555 is a fth-generation Micro-Comm controller similar to the M550E PLC, but with a
faster processor, more memory, faster ethernet port and 2 additional communication ports.
I/O capabilities:
(4) Open-collector outputs (COM1 pins used for radio switching)
(2) On-board 12bit analog inputs
Temperature (0.25 to 4.75v = -50C to +150C = -58F to +302F),
System Voltage (0 to 5v = 0 to 25.5 volts)
(3) Communication ports
- COM1 25pin port for radio cable
- COM2 9pin port used for the display module and programming
- COM3 9pin can be congured as an RS-485 port for I/O modules or as an RS-232 port with PTT supprt
- COM4 9pin can be congured as RS-485/RS-232
- COM5 is an Ethernet 100baseT (RJ-45) port
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