ABB CI840A 3BSE041882R1 control card intelligent spare parts

Description

CI840A These color codes are usually used for American handicraft industrial equipment. They are cited here as a reference. When these color codes and applications are used
When the codes of user area or user equipment type conflict, users should follow their own application color code. In addition to meeting the color code requirements
In addition, color coding makes testing and troubleshooting safer, faster and easier.

■ Green or green stripe – ground wire
■ Black – AC Mainline
■ Red – AC secondary
■ Blue – DC
■ White – common or neutral
■ Yellow – Disconnect the uncontrolled secondary power supply from the trunk line. CI840A reminds maintenance personnel that although the equipment and main power supply are not
Connected but possibly powered (from an external power source).
Wiring program arrangement
In order to reduce mutual interference between PLC wiring, it is recommended that the user connect electrical interference lines, such as AC power lines and discrete outputs
The module wiring can be separated from the wiring or communication cables of low-level signal lines such as DC and analog input modules
Grouping is completed. In application, the wiring is classified as follows:
■ AC power wiring. CI840A includes AC input, PLC power supply and other AC devices in the control cabinet.
■ Analog input or output module wiring. Shielding should be carried out to further reduce coupling interference. Reference system for detailed information
Column 90-30 I/O Template Specification Manual, GFK-0898.
■ Discrete output module wiring. Frequent switching of inductive load will cause peak signal interference when switching off.
■ DC input module wiring. Despite the internal suppression function, the wiring habit should be noted to further protect this
These low-level inputs resist coupling interference.
■ Communication cables. The communication cable wiring, such as Genius bus or serial cable, should be far away from the line generating interference
When the AC or output wiring harness must pass near the wiring harness sensitive to interference, avoid adjacent wiring between them. as
If the cables have to be routed crosswise, the cables can be routed at right angles. This will reduce the impact between them

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