Mitsubishi MELSEC Q Series User Manual

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18.2 Troubleshooting
18.2.7 When communication is not available between development environment (PC) and C Controller
18
TROUBLESHOOTING
(2) When connection to C Controller module is not available from
development environment (personal computer) via FTP
Check the following when connection from the development environment (personal
computer) to the C Controller module is not available via FTP.
• Steps 1), 2) and 3) in the flowchart given in this section (1).
• The priority of the task in the user program. ( Section 10.2.5)
(3) When Tornado of development environment (personal computer) cannot
be connected to C Controller module
Check the following when Tornado of the development environment (personal
computer) cannot be connected to the C Controller module.
• Steps 1), 2) and 3) in the flowchart given in this section (1).
• The settings of Tornado. ( Section 10.2.6)
POINT
If the problem cannot be resolved by taking the corrective actions with the C
Controller module executing a script file, check the script file and user program.
• Check the script file and user program.
( Section 10.2.8)
• Disable the script file execution.( Section 18.2.13)
Specify the correct script file and user program with special care. Specifying
incorrect script file and/or user program may result in instable operation (error
status, communication failure, illegal error code return, etc.) of the C Controller
module.

Mitsubishi MELSEC Q Series Specifications

General

Series	MELSEC Q Series
Type	Modular PLC
Programming Software	GX Works2, GX Works3
Category	Programmable Logic Controller (PLC)
I/O Modules	Digital I/O, Analog I/O, High-Speed Counter, Positioning
Communication	Ethernet, CC-Link
Programming Languages	Ladder Logic, Structured Text, Function Block Diagram, Sequential Function Chart, Instruction List
Memory	Flash Memory
I/O Points	Up to 4096 points (expandable with additional modules)
Power Supply	AC or DC power supply options available, depending on the base unit and modules.
Mounting	DIN rail mounting
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Humidity	5% to 95% (non-condensing)
Vibration Resistance	10 to 57 Hz, 0.075mm amplitude
Weight	Varies depending on the module, from a few grams to several kilograms.
Shock Resistance	147 m/s² (3 times each in X, Y, Z directions)