Meggitt VM600 - CPUM Modular CPU Card; IOCN Input;Output Card

VM600 MPS quick start manual MAMPS-QS/E 2 - 7
Edition 2 - October 2018
Card features and operation
OPERATING THE SYSTEM
2.1.5 CPUM modular CPU card
Figure 2-5 shows the elements of an CPUM modular CPU card, describes their purpose and
gives an enlarged view of the display.
A CPUM card has the following elements on its front panel:
• A display with potentiometer to adjust contrast
• RS-232 connector
• Ethernet connector
• Three status LEDs
• Diagnostic LED
• Slot selection buttons
• Alarm reset button.
NOTE: For information on communicating with a CPUM card, see 1.7 Connecting to a
computer.
2.1.6 IOCN input/output card
Figure 2-6 shows the elements of an IOCN input/output card (optional for CPUM cards) and
describes their purpose.
An IOCN card has the following connectors:
• RS connector (type RJ11)
• Two serial communications connectors for the Modbus/RTU communication protocol
(group A)
• Two serial communications connectors for the Modbus/RTU communication protocol
(group B)
• Two Ethernet connectors.