All I/O modules can be exchanged online and with the process power supply
connected, except for relay outputs with normally closed contacts. This is possible
because the module deactivates when the I/O module lock switch is turned to
unlock.
The system software in the ModuleBus master checks automatically that all I/O
modules function correctly. In the event of module fault, and module exchange, the
module and associated signals are marked as faulty.
The system software checks that the module that is inserted is correct. If this is the
case, the F(ault) LED is turned off, and after the initial configuration, and the R(un)
LED activated, and the module resumes its normal function.
The following topics contain general instructions for replacement of modules, and
Table 7 gives additional information about handling the replacement of individual
modules.
Practical Execution
Before replacing the faulty I/O module:
- Refer to S800 I/O Getting Started (3BSE020923*) manual.
- As special restrictions apply to each module type, see the descriptions in
Table 7 for useful information on individual module types.
- Check if the new module can be a suitable replacement.
The prices of all products of Zhangzhou Fengyun may fluctuate at any time. The specific price is subject to the customer service quotation. Please confirm the model, product, price and other details with the customer service before placing the order. Second-hand and brand-new products are sold in the store. Please contact the customer service for details.
operates automation modules, cards, CPU, PLC, DCS of European and American brands, and distributes products widely used in electronics, metallurgy, chemical, power plants, steel plants, rubber, cement, mechanical equipment, construction and other industries.
It has established close cooperative relations with many internationally renowned PLC product maintenance service providers, including North America, Europe, Asia, etc.
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