Hitachi SJ Series, User Manual

Page: 151 / 786

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