DAI04 ABB Bailey Control Card Intelligent Spare Parts Module

Description

DAI04 If the PLC has a fatal fault, the key switch cannot be used to clear the fault or make the PLC enter the operation mode
The cause of the fault must be found before re operation
■ RAM memory and write protection (configurable): This function is proposed in CPU firmware version 8.0. By default
It is invalid under the state. Only by setting the MEM PROTECT function in the CPU configuration menu to
This function only works when ENABLE is set. If DAI04 is set to ENABLE and the switch is turned to ON,
Then (1) the user RAM memory cannot be changed (2) the digital quantity point cannot be written and (3) the time, date and clock cannot

It can be changed through the hand-held programmer (however, the time, date and clock can still be changed through the program software)
Take care of your keys E Each new 350-374 CPU provides two keys for the use of the key switch. If
If you have used one or more of the above key protection functions, it is recommended that you take care of your keys carefully
If it is lost, not nearby or has been stolen, you will cancel this function in the working PLC
People can also access the PLC. Replacement of these keys can be purchased under the purchase number 44A736756-G01. this
The package contains three CPU keys. All 350-374 CPUs use the same type of key
Of course, DAI04 can be set to the OFF position without using this key switch protection function
The default attribute of the key switch (invalid), so that you do not need to use a key to access the PLC
Real time event logging (SER) usage
The usage of this function (programmed in the ladder diagram) is introduced in the 9.0 firmware version, and all 350-374 CPUs
With such firmware, SER aims to provide a dynamic fault resolution and debugging tool to achieve this function
Yes, you need to specify a set of “snapshots” of the on/off status of the digital measurement points and how many “snapshots” are required,
When and how to use them and where they need to be stored. The stored snapshot can be used to analyze these bit samples
Please refer to Series 90-30 PLC CPU of GFK-0467K or later for detailed description of these functions
The user manual lists some important functions as follows:
■ Each sample of a SER function block can concentrate up to 32 adjacent or non adjacent bits
■ Each SER function block of DAI04 can accommodate up to 1024 samples
■ If the SER is embedded in a periodically scanned sub block, the sampling rate will be determined by the periodically scanned sub block
The execution speed of the program
■ The timing of trigger sampling is fixed, and the trigger sampling time is BCD (the longest time is 1s) or POSIX (the shortest time
10 ms). It will only be triggered when the trigger point arrives. The SER cannot provide more than
A trigger time
■ The SER function block can be configured as three modes before triggering, during triggering and after triggering.
Embedded Ethernet interface (CPU364 and CPU374)
The CPU and Ethernet interfaces are combined in a module. Before these templates, if Ethernet communication is required, they must use a
Two Ethernet boards IC693CMM321 separated from the CPU, CPU364 and CPU374 are compared with one separated CPU and
Ethernet templates have the following advantages:
■ It only occupies one slot in the base plate compared with the separate CPU and Ethernet template that need to occupy two slots
■ The CPU374 has two embedded 10/100 BASE-T/TX network interfaces
■ The IC693CMM321 Ethernet board needs an external transceiver, and the CPU364 is not needed because it has been placed in the template
The 10 BASE-T port can be connected by using this built-in transceiver. However, if external transceiver is selected
The transceiver connects to the AAUI port of the CPU364, bypassing the built-in transceiver (see Appendix J GE Faunc transceiver signal
Interest)

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