Other Functions (Tc4 And Tc2); Bank Function - Omron EJ1 User Manual

Other Functions (TC4 and TC2)

4-7

Other Functions (TC4 and TC2)

4-7-1

Bank Function

• Set point
• SP Ramp Rise Value • SP Ramp Fall Value • Manual Reset Value
• Dead Band
Changing the Bank
Changing the Bank With
an Event Input
Note
Internal Buses
Operation Commands
Up to 4 banks can be created with the following parameters registered inde-
pendently.
• Proportional Band • Integral Time
• Alarm Value 1 to 3 • Alarm Upper Limit Value 1 to 3 • Alarm Lower Limit Value 1 to 3
The currently selected bank's parameters can be read or written by reading or
writing the "Present Bank" parameters.
Present bank
Set point
Proportional Band
Alarm Lower Limit Value 1 to 3
The following table shows the relationship between the banks and variable
types.
Variable type
D0/90
D1/91
D2/92
D3/93
D4/94
The bank can be switched with an event input, internal bus, or operation com-
mand.
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.
Event input 2
OFF
OFF
ON
ON
Event input 1 can be used alone to switch between banks 0 and 1.
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).
For details, refer to 6-4-11 Operation Commands.
Bank Number
The presently selected bank number can be checked with the following
parameter.
Variable type
C4/84
Bank 2
Bank 1
Set point
Present bank
Set point
Proportional Band
Set point
Proportional Band
Proportional Band
Alarm Lower Limit Value 1 to 3
Alarm Lower Limit Value 1 to 3
Alarm Lower Limit Value 1 to 3
Bank
Bank 0
Bank 1
Bank 2
Bank 3
Present Bank
Event input 1
OFF
ON
OFF
ON
Parameter name
Bank No. Monitor
Section 4-7
• Derivative Time
• Cooling Coefficient
Currently selected bank
Bank 3
Set point
Proportional Band
Alarm Lower Limit Value 1 to 3
Selected bank
Bank 0
Bank 1
Bank 2
Bank 3
Setting range Default
(Channel) 0 to 3 ---
99