IAI America ERC3 - Manual (Page 104)

Chapter 3 Wiring
3.1 Positioner Mode 1 (Standard
Type)
94
3.1.2 PIO Pattern Select and PIO Signal
[1] PIO Pattern (Control Pattern) Selection
There are three ways of control methods for ERC3 controllers. Set the most suitable PIO pattern
to Parameter No.25 “PIO Pattern Select”.
Refer to 4.2.2 Operation in Positioner Mode 1 for the details of PIO patterns.
Type
Value set in
parameter
No.25
Mode Overview
PIO
Pattern 0
0
(at the
delivery)
8-point type
x Number of positioning points : 8 points
x Position command : binary code
x Zone signal output *1 : 1 point
PIO
Pattern 1
1
3-point type
(Solenoid valve
type)
x Number of positioning points : 3 points
x Position command : Individual number signal ON
x Zone signal output : None
PIO
Pattern 2
2 16-point type
x Number of positioning points : 16 points
x Position command : binary code
x Position zone signal output *2 or Zone signal
output *1 : 1 point (Note 1)
Note 1 The position zone signal output can be switched to the zone signal with Parameter
No.149.
*1 Zone signal output  Zone range is to be set to either Parameter No.1, 2 and it is
always available after the home-return operation is complete.
*2 Position zone signal output This feature is associated with the specified position number.
The zone range is set in the position table. The zone range is
enabled only when the position is specified but disabled if
another position is specified.