Sharp JW-21MN manual Appendix, Maintenance and check, 16-1

Chapter 16: Appendix

16-1 Maintenance and check

Check wiring, installation, and switch settings.

System configuration

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Check item

Not parallel with or proximate to high voltage lines

or strong power lines.

cable

Branch lines (drop cable) are within 400 mm.

Total length is less than 1 km.

Communication

No damage or breaks in cables.

Connectors are securely assembled.

Connectors are securely connected and locked.

Insulation covers are put on connectors.

supplyPower module

Securely tighten the module retention screws.

A ground line is connected with the GND terminal.

Control module

Securely tighten the module retention screws.

Memory module is appropriately installed.

module

Securely tighten the module retention screws.

I/O

No other cables than the communication cable and

DC input cables are input in the same duct.

Basic rack panel is appropriately installed.

Securely tighten the module retention screws.

Mode switches are appropriately set.

-21MN

Station number switches are appropriately set (00 to 77(8)).

Termination resistance switches are appropriately set.

ON

JW

Shield ground switches are appropriately set.

Parameters are appropriately set.

16

16-1