Assembling The Cpm2B Boards; Panel/Cabinet Installation - Omron SYSMAC CPM2B Operation Manual

Assembling the CPM2B Boards

3-2-2

Panel/Cabinet Installation

Overheating
Electrical noise
Accessibility
3-3

Assembling the CPM2B Boards

Board Assembly
48
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• Locations near to power supply lines.
Consider PLC operation, maintenance, and surrounding conditions when
installing the CPM2B in a panel or cabinet.
The ambient operating temperature range for the CPM2B is 0 ° C to 55 ° C. Be
sure that there is adequate ventilation for cooling.
• Allow enough space for air circulation.
• Do not install the CPM2B above equipment that generates a large amount
of heat, such as heaters, transformers, or large resistors.
• Install a cooling fan or system when the ambient temperature exceeds
55 ° C.
Power lines and high-voltage equipment can cause electrical noise in the
PLC.
• Do not install the CPM2B in a panel or cabinet with high-voltage equip-
ment.
• Allow at least 200 mm between the CPM2B and nearby power lines.
Ensure that the CPM2B can be accessed for normal operation and mainte-
nance. High-voltage equipment, power lines, and moving machinery could be
dangerous if they are in the way during routine operations.
Up to 3 Expansion I/O Boards can be connected to a CPM2B CPU Board.
The following diagram shows how to assemble the Boards. The screws and
standoffs are included with the CPU Board, Expansion I/O Board, and Mount-
ing Bracket.
Note Use M3 screws for the standoffs and tighten to a torque of 0.5 N•m.
Control panel
Fan
CPM2B
Air vent
200 mm min.
CPM2B
200 mm min.
Section 3-3