Operating Mode 1 Connection Example; Origin Search Operation; Example Plc Setup Settings - Omron CJ1M-CPU21 Operation Manual

Wiring Examples

Operating Mode 1 Connection Example

42

Origin Search Operation

The origin search operation is completed when the rising edge of the Origin
Proximity Input Signal is detected and then the rising edge of the Origin Input
Signal is detected.
ORG(889)
instruction execution
Origin Proximity
Input Signal
Origin Input
Signal
Pulse signal

Example PLC Setup Settings

Programming Bits
Console
address
256 00 to 03
257 00 to 03
04 to 07
08 to 11
12 to 15
268 00 to 03
04 to 07
08 to 11
12 to 15
In operating mode 1, the Error Counter Reset Output is turned ON when the
origin location is determined by detection of the rising edge of the Origin Input
Signal.
In this example, a servo driver is used and the encoder's phase-Z output is
used as the Origin Input Signal terminal. The servo driver is an OMRON W-
series Servo Driver.
Setting
1 hex Enable origin search function for pulse
output 0.
0 hex Operating Mode 0
0 hex Reverse mode 1
1 hex Read Origin Input Signal after Origin
Proximity Input Signal goes from OFF
to ON.
0 hex Search direction is CW.
0 hex Limit Input Signal is a NC contact.
1 hex Origin Proximity Input Signal is a NO
contact.
1 hex Origin Input Signal is a NO contact.
0 hex ---
Section 3-3
Time
Function