6.2 Failure Diagnosis
Unified Controller nv series type1 light Communication Interface Module (CF622) Instruction Manual
55
6
(3) RS-485 terminal block
Check the cable connection for any abnormality. Check if the cable is connected properly, cable
connection is secure and there are no abnormalities in appearance.
■
Ventilation hole
Check the front panel and upper ventilation hole of the product for dust or dirt.
Clean for preventing that the ventilation hole is blocked by dust or dirt.
■
Indoor environment
Check if the temperature and humidity of the location where the product is located are within the
product specification range.
6.1.2 Periodical
inspection
To prevent accidents and be able to use the product safely for long-term operation, it is
recommended to perform periodical inspection every 6 months. For the periodical inspection,
refer to the
“
Unified Controller nv series type1 light Controller Unit User’s Manual - Basic
Hardware - (6F8C1497)
8.2
Periodical inspection
”. Failing that, it may cause deterioration of
the characteristic or lifetime of CF622.
6.2 Failure Diagnosis
If the state display LED shows states except "normal display” or if RUN LED is turned off, take
measures according to the "Chapter 7 Troubleshooting".
Pre-check the following.
Check that voltage of the power is supplied normally.
Check that the connector and the cable are not damaged.
Check that each module of controller unit is installed securely.
Check that screwing of wiring cable is fixed securely.
Check that communication cables are connected securely.
Check that field equipment and devices in the control panel are normal.
6.3 Life-limited Parts
CF622 has no life-limited parts.
Содержание CF622
Страница 20: ...Chapter 1 Introducing CF622 6F8C1583 1 6 ...
Страница 26: ...Chapter 2 Names and Functions of the Parts 6F8C1583 12 ...
Страница 38: ...Chapter 4 Installation and wiring 6F8C1583 24 ...
Страница 70: ...Chapter 6 Maintenance and Inspection 6F8C1583 56 6 ...
Страница 74: ...Chapter 7 Troubleshooting 6F8C1583 60 7 ...
Страница 78: ...Chapter 8 Usage Constraints 6F8C1583 64 8 ...
Страница 83: ...69 Appendix B Outside Dimensions B 1 CF622 module 70 B 2 CF622 implemented in the base unit 71 ...
Страница 86: ...Appendix B Outside Dimensions 6F8C1583 72 ...
Страница 87: ...73 73 Appendix C Related Products C 1 Accessories 74 C 2 Recommended communication cables 74 ...
Страница 89: ...75 75 Appendix D ASCII code chart ...
Страница 106: ...Appendix E Sample programs 6F8C1583 92 E ...
Страница 108: ...1583 1 1605 ...