Inovance MD800 Series - PID Adjustment Methods

Function Applications
-498-
In the following figure, the count values need to be collected by a DI terminal, and therefore the DI
terminal is assigned with function 27 (counter input). When the count value reaches Fb-08, the DO
terminal outputs an "ON" signal indicating that the reference count value is reached. When the count
value reaches Fb-09, the DO terminal outputs an "ON" signal indicating that the designated count
value is reached.
Figure 4-47 Schematic diagram of the counting function
Para. No. Name
Reference
Function
Description
F4-01, F4-05, F4-07, F4-09, F4-11, F4-
13, and F4-15 (any one)
DI1 to DI8 function selection (any one)
27
Counter input
F4-01, F4-05, F4-07, F4-09, F4-11, F4-
13, and F4-15 (any one)
DI1 to DI8 function selection (any one)
28
Counting reset
F5-01, F5-03, F5-05, F5-07, and F5-09
(any one)
DO/RO terminal function selection (any
one)
29
Reference count
value reach
F5-01, F5-03, F5-05, F5-07, and F5-09
(any one)
DO/RO terminal function selection (any
one)
30
Designated count
value reach
● A DO/RO terminal cannot be assigned with both the "reference count value reach" function and the
"designated count value reach" function.
● The counter keeps counting when the AC drive is in the running/stop state until the reference
count value is reached.
● The count value is retentive at power failure.
● An automatic stop system can be implemented by feeding the output count value reach signal of
the DO/RO to the AC drive stop input terminal.
4.4.16 PID Adjustment Methods
This section describes general rules for PID parameter adjustment, which can be used as reference for
adjusting closed-loop control PID parameters (FA-05 to FA-07, and FA-15 to FA-17) and speed loop PI
parameters (F2-00, F2-01, F2-03, and F2-04).