Hitachi SJ Series User Manual page 435

Chapter 12
12.24.2 Reversing the logical level of input
signals
Ｑ
• I want to input reversed input logic for input signals.
• I want to switch Contacts a/b in the inverter.
Ａ
• You can set input specifications for Contact a or
Contact b separately for Input terminals 1 to 9, A,
and B.
Parameters
Item
Input terminal function
selection
Selection of Input
terminals a/b (NO/NC)
• Contact a: Closes with "ON," and opens with "OFF."
• Contact b: Closes with "OFF," and opens with "ON."
Input terminal
1
2
3
4
5
6
7
8
9
A
B
Parameter
Next item: Table of
[CA-01]~[CA-11] input terminal
[CA-21]~[CA-31]
Switching between Contact
a and Contact b
[CA-21]
[CA-22]
[CA-23]
[CA-24]
[CA-25]
[CA-26]
[CA-27]
[CA-28]
[CA-29]
[CA-30]
[CA-31]
12-24-4
！
• Even when the "Selection of Input terminals a/b" is
used, a terminal allocated with a "028 [RS] signal"
always operates as Contact a (NO).
Data
Outputs the allocated function to the
corresponding input terminal.
selections
00 Operates as Contact a (NO).
01 Operates as Contact b (NC).
About the inverter function
Description