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Other Functions (TC4 and TC2) Section 4-7

4-7 Other Functions (TC4 and TC2)

4-7-1 Bank Function

Up to 4 banks can be created with the following parameters registered inde-

pendently.

The currently selected bank's parameters can be read or written by reading or

writing the “Present Bank” parameters.

The following table shows the relationship between the banks and variable

types.

Changing the Bank The bank can be switched with an event input, internal bus, or operation com-

mand.

Changing the Bank With

an Event Input

The bank can be switched by setting Bank (Bit 0) in the Event Input 1 Assign-

ment and Bank (Bit 1) in the Event Input 2 Assignment, as shown in the fol-

lowing table.

Note Event input 1 can be used alone to switch between banks 0 and 1.

Internal Buses The internal bus can be used to simultaneously switch the banks of linked

Units. For details, refer to 4-7-3 Internal Buses (TC4 and TC2).

Operation Commands For details, refer to 6-4-11 Operation Commands.

■ Bank Number

The presently selected bank number can be checked with the following

parameter.

•Set point •Proportional Band •Integral Time •Derivative Time

•SP Ramp Rise Value •SP Ramp Fall Value •Manual Reset Value •Cooling Coefficient

•Dead Band • Alarm Value 1 to 3

• Alarm Upper Limit Value 1 to 3 • Alarm Lower Limit Value 1 to 3