Hitachi SJ Series User Manual page 151

Chapter 11
Adjustment of I/O terminals - Example 3
11.2.9 Adjusting analog input (Ai3)
(Example) Adjusting the operation (example for Ai3)
Normal rotation
Maximum frequency
[Cb-24]
(-10V)
[Cb-25]
-100%
[Cb-26]
[Cb-23]
Reverse rotation
Maximum frequency
Parameter
Parameter
Ai3
Sets a frequency command ratio to a start
[Cb-23]
ratio for analog input.
Sets a frequency command ratio to an end
[Cb-24]
ratio for analog input.
Sets a start ratio for analog input for -10 to
[Cb-25]
10V.
Sets an end ratio for analog input for -10V to
[Cb-26]
10V.
(Example) Making fine adjustment
[Cb-35]=200.0 (%)
100(%)
[Cb-34]=50.0 (%)
0
0
-100
Parallel movement
[Cb-34]=0.0 (%)
[Cb-34]=-50.0 (%)
Parameter
Parameter
Ai3
Adjusts -10V of the reference line to -10V/10V
[Cb-34]
and frequency.
[Cb-35] Adjusts the inclination of reference line.
Analog input
(Ai3)
100%
(+10V)
Setting function
Change in
[Cb-35]=100.0 (%)
Maximum
[Cb-35]=50.0 (%)
Setting function
Adjustment of I/O terminals - Example 4
11.2.10 Prevention of malfunction of input
terminals
• Malfunctions due to noises or other factors can be
prevented by setting responses of input terminals.
Operation of
Input
OFF
terminal 1
Operation of
OFF
internal
function
Parameter
Input Response
terminals
1 [CA-41]
2 [CA-42]
3 [CA-43]
4 [CA-44]
5 [CA-45]
6 [CA-46]
Adjustment of I/O terminals - Example 5
11.2.11 Stabilization of output terminals
• Excess sensitive reactions of internal functions can
be stabilized by setting delays of output terminals.
Output of
selected
OFF
function
Operation of
OFF
output
terminal 11
Parameter
Output terminal
11
12
13
14
15
16A-16C
AL1-AL0/
AL2-AL0
11-6
ON
ON
[CA-41]
[CA-41]
Input
time terminals
7
8
9
A
B
ON
ON
[CC-20] [CC-21]
On-delay time Off-delay time
[CC-20] [CC-21]
[CC-22] [CC-23]
[CC-24] [CC-25]
[CC-26] [CC-27]
[CC-28] [CC-29]
[CC-30] [CC-31]
[CC-32] [CC-33]
Response
time
[CA-47]
[CA-48]
[CA-49]
[CA-50]
[CA-51]