Hitachi SJ Series, User Manual

Page: 435 / 786

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