Hitachi SJ Series, User Manual

Page: 266 / 786

12-10-11
Chapter 12 Inverter Functions
PID1 feedback data selection
• This selects PID1 feedback data.
• In the case of setting feedback data with one input,
set 00: None to [AH-52]/[AH-53] and 01: Add to
[AH-54] to disable the input destination 2/3.
Operation of operator [AH-54]
• When 01 to 07 is selected in operator [AH-54],
calculation will be targeted to feedback data 1 and
feedback data 2.
• When 08 to 10 is selected in operator [AH-54],
calculation will be targeted to feedback data 1 to 3.
• Calculation result of operator [AH-54] will be
restricted in a range of -100.00 to 100.00 (%).
• Select 00: Disable for feedback value not in use.
• Operator [AH-54] will be available to be selected
only when 01 to 04 is selected for target value
operator [AH-50].
A
A
!
PID1 feedback data
[db-44]
Input
destination 1
[AH-51]
Operator [AH-54]
Calculation of FB1 and
FB2
+(01), -(02), x(03), ÷(04)
Square root of FB1 (05)
Square root of FB2 (06)
Square root of FB1 - FB2
(07)
Average of FB1 to FB3
(08)
Minimum of FB1 to FB3 (09)
Maximum of FB1 to FB3 (10)
Input
destination 2
[AH-52]
(01~06,
08,12,13)
RS 485 communication (08)
Analog input Ai1 to Ai6 (01 to 06)
Pulse train input (main unit) (12)
(01~06,
08,12,13)
01
00
(00: Disable)
Calcul
ation
[db-30]
[db-32]
Pulse train input (option) (13)
Input
destination
3 [AH-53]
00
(00: Disable)
(01~06,
08,12,13)
[db-34]
Option 1 to 3 (09 to 11)