
Technical Manual
2-2
Electrical installation
The field wiring of the instrument shall be suitable to the environment
(e.g. chemically) in the end-user application.
Field wiring installation shall comply with any national regulations, hereunder National
Electrical Code (NEC) for US and/or Canadian Electrical Code for Canada.
•
A switch or circuit-breaker shall be included in the building installation.
•
The switch shall be in close proximity to the equipment and
within easy reach of the operator.
•
The switch shall be marked as the disconnecting device for the equipment.
•
The equipment switch or circuit-breaker employed as disconnecting device shall
comply with relevant requirements of IEC 60947-1 and IEC 60947-3.
For electrical installation with an external dc supply, see page 2-5.
WARNING
Make sure that that the power to the instrument is turned off before:
- any modules are removed from or inserted in the instrument.
- any connections are connected to or disconnected from the instrument.
All modules should be regarded as ESD sensitive. Make sure that an ESD safe
environment is maintained when inserting modules, removing modules and when
handling modules separately from the instrument. Modules must be kept in
metallised ESD bag when not mounted in the instrument.
!
Содержание G4
Страница 2: ......
Страница 18: ...Technical Manual 1 14 ...
Страница 39: ...G4 Multi Channel Weighing Instrument 3 7 ...
Страница 104: ...Technical Manual 5 18 ...
Страница 158: ...Technical Manual 6 54 ...
Страница 178: ...Technical Manual 7 20 ...
Страница 186: ...Technical Manual 8 8 ...
Страница 196: ......
Страница 197: ...G4 Multi Channel Weighing Instrument Appendix 1 ...
Страница 198: ...Technical Manual ...
Страница 199: ......